Source: http://www.google.com/patents/US5302649?dq=5,241,671
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Patent US5302649 - Curable film forming compositions - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsThere are provided a pressure-sensitive adhesive and other compositions which free radical cured mixtures in which a halogenated hydrocarbon was present during free radical cure, of at least one unsaturated elastomeric polymer and at least one organic additive which is substantially nonresponsive to...http://www.google.com/patents/US5302649?utm_source=gb-gplus-sharePatent US5302649 - Curable film forming compositionsAdvanced Patent SearchPublication numberUS5302649 APublication typeGrantApplication numberUS 07/452,563Publication dateApr 12, 1994Filing dateDec 14, 1989Priority dateJun 3, 1987Fee statusLapsedAlso published asCA1333829C, DE3856246D1, DE3856246T2, EP0316435A1, EP0316435A4, EP0316435B1, US4948825, US5614577, WO1988009800A1Publication number07452563, 452563, US 5302649 A, US 5302649A, US-A-5302649, US5302649 A, US5302649AInventorsYukihiko Sasaki, Kevin LossnerOriginal AssigneeAvery Dennison CorporationExport CitationBiBTeX, EndNote, RefManPatent Citations (3), Referenced by (10), Classifications (22), Legal Events (8) External Links: USPTO, USPTO Assignment, EspacenetCurable film forming compositions
1. A pressure-sensitive adhesive comprising a free radical cured mixture of at least one unsaturated elastomeric polymer present in a total amount of from about 10 to about 60 parts by weight of the mixture and at least one organic additive which is substantially nonresponsive to the action of free radicals, said organic additive selected from the group consisting of aromatic organic additives which are at least 50% saturated and aliphatic organic hydrocarbon additives in which at least 65% of the unsaturated groups of the hydrocarbon as formed are saturated, the total of organic additive being present in an amount of from about 90 to about 40 parts by weight of the mixture, said cured adhesive having a glass transition temperature at least 10� C. below use temperature and an elevated temperature shear higher than the elevated temperature shear prior to cure, and in which a crosslinking agent comprising a brominated hydrocarbon is present during free radical cure of the mixture.
12. A pressure-sensitive adhesive which comprises a free radical cured product of a mixture comprising, based on the weight of the mixture, from about 15 to about 60 parts by weight of an unsaturated elastomer polymer component, from about 85 to about 40 parts by weight of a tackifying organic additive which is selected from the group consisting of saturated aliphatic resins, saturated aromatic resins, saturated oils and mixtures thereof, and an effective amount of a brominated hydrocarbon crosslinking agent, present in an amount up to 10 parts by weight, said cured pressure-sensitive adhesive having a higher elevated temperature shear as compared to the mixture prior to cure and a glass transition temperature of at least 10� C. below use temperature.
15. A pressure-sensitive adhesive comprising a free radical cured mixture comprising from about 15 to about 55 parts by weight of an unsaturated styrene-isoprene-styrene block copolymer and from about 85 to about 45 parts by weight tackifying organic additive selected from the group consisting of saturated aromatic resins, saturated aliphatic resins, saturated oils and mixtures thereof, said pressure-sensitive adhesive having a higher elevated temperature shear as compared to the mixture prior to cure and a glass transition temperature at least 10� C. below use temperature, and in which a brominated hydrocarbon crosslinking agent was present during free radical cure of the mixture.
18. A pressure-sensitive adhesive comprising a free radical cured mixture comprising, based on the weight of the mixture, from 15 to about 55 percent by weight of the mixture a multiarmed styrene-isoprene block copolymer and from about 45 to about 85 percent by weight of the mixture of an organic additive which is selected from the group consisting of saturated aromatic resins, saturated aliphatic resins and mixtures thereof, said pressure-sensitive adhesive having a high elevated temperature shear as compared to the mixture prior to cure and a glass transition temperature of at least 10� C. below use temperature, and in which a brominated hydrocarbon crosslinking agent was present during free radical cure of the mixture.
20. A pressure-sensitive adhesive comprising a free radical cured mixture in which a brominated hydrocarbon was present during free radical cure of the mixture comprising, based on the weight of the mixture, from 15 to about 55 percent by weight of a styrene-butadiene-styrene block copolymer and from about 45 to about 85 percent by weight of an organic additive which is selected from the group consisting of aromatic resins and mixtures thereof with saturated aromatic, saturated aliphatic and saturated oils, said pressure-sensitive adhesive having a high elevated temperature shear as compared to the mixture prior to cure and a glass transition temperature of at least 10� C. below use temperature.
According to the present invention, there are provided pressure-sensitive adhesive compositions which comprise in combination at least one unsaturated elastomeric polymer capable of undergoing gel forming reactions in the presence of free radicals preferably generated by actinic radiation or electron beam radiation, and at least one organic additive normally a tackifier or plasticizer which is substantially nonresponsive to free radicals and which are at least dispersable and preferably soluble in the polymer and an effective amount of a halogenated crosslinking agent. The elastomeric polymer preferably has a glass transition temperature of from about -20� to about -100� C. The organic additive affects a property of the pressure-sensitive adhesive composition, such as tack or other properties. The improvement resides in the use of a halogenated hydrocarbon crosslinker with organic additive which is substantially nonresponsive to the action of free radicals, as defined herein, to provide, upon cure, at reduced energy input, a pressure-sensitive adhesive composition having a glass transition temperature of at least 10� C., preferably at least 20� C. below use temperature.
As examples of organic additives which are substantially nonresponsive to free radicals there may be mentioned hydrogenated organic compounds, such as hydrogenated aromatic resins including hydrogenated polystyrene, polyalpha-methyl styrene, polyvinyl toluene, copolymers of styrene with other monomers and the like; hydrogenated aliphatic resins derived from petroleum based products; highly hydrogenated rosins and rosin esters; hydrogenated white oil, mineral oil and the like. As specific tackifiers employed in the practice of the invention there may be mentioned hydrogenated styrene based resins such as Regalrez� resins designated as 1018, 1033, 1065, 1078, 1094 and 1126 manufactured and sold by Hercules, Inc.; Regalrez� 6108 a 60% hydrogenated aromatic resin, also manufactured by Hercules; hydrogenated C5 and/or C9 hydrocarbon feed stocks such as Arkon� P-70, P-90, P-100, P-125, P115, M-90, M-100, M-110 and M-120 resins manufactured and sold by Arakawa Chemical and Regalite� R-100, MGB-63, MGB-67, MGB-70, resins manufactured and sold by Hercules, Inc.; hydrogenated Polycyclo-pentadienes such as Escorez� 5320, 5300 and 5380 resins manufactured and sold by Exxon Chemical, hydrogenated polyterpene and other naturally occurring resins such as Clearon� P-105, P-115, P-125, M-105, M-115 manufactured and sold by Yasuhara Yushi Kogyo Co. Ltd. of Japan and Eastotack� H-100, H-115 and H-130 resins manufactured and sold by Eastman chemical and the like; Kaydol� hydrogenated mineral oil manufactured and sold by Witco Chemical and the like.
Base unsaturated elastomeric polymers used were a mixture of linear styrene-isoprene-styrene (SIS) and styrene-isoprene (SI) block copolymers known as Kraton� D-1107 and D-1111; styrene-butadiene-styrene (SBS) block copolymers known as Kraton� D-1101 and D-1102 and DX-1300 and multi-armed (SI)x block copolymer known as Kraton� D-1320X1 all manufactured and sold by Shell Chemical Company and styrene-butadiene block copolymer known as Solprene� 1205 manufactured and sold by Housemex, Inc. As representative of an unsatisfactory tackifying unsaturated aliphatic resin there was used Escorez� 1310, a petroleum based hydrocarbon resin manufactured and sold by Exxon Chemical Company, and Piccolite� A-115, an alpha-pinene resin manufactured and sold by Hercules, Inc. Foral-85, a well known hydrogenated rosin ester manufactured and sold by Hercules, Inc. may be functional or nonfunctional as an organic additive depending on the elastomer(s) it is combined with. The organic additives which are used to illustrate the instant invention are of the Escorez� 5000 series. Also used to illustrate the practice of the invention are Regalrez� 6108, 1078 and 1000 series of resins. Kaydol� mineral oil was as a representation of hydrogenated oil. The invention is primarily illustrated in respect of effect of unsaturation of the organic compound, namely, a tackifier, on incipient or relative incipient gel dosage (the incipient gel dosage of a mixture divided by the incipient gel dosage of the elastomer) required to initiate gel formation versus resin concentration in percent by weight. Incipient gel dosage is measured as defined above. To establish product properties, the formulation was coated from toluene onto a release paper (50 g/m2), dried in an oven and laminated to a 50 micron thick polyester film. EB radiation was through the polyester film. 180� Peel in Newtons per Meter (N/M) were determined using PSTC-1 at 20 minute dwell. Loop tack was measured by forming a loop from a 1 inch by 8 inch strip, adhesive face out, inserted in the jaws of an Instron tester and moving the loop at the rate of 12 inches per minute onto a stainless steel panel, then removing the strip at the rate of 12 inches per minute as soon as one square inch of contact is made. The highest force required to remove the loop is reported in N/M. Shear reported in Kiloseconds (K.S.) was for 0.5�0.5 inch overlap on a stainless steel panel at a 500 gram force load.
Examples of the present invention are shown in Tables 1-8. As can be seen, halogenated hydrocarbons such as brominated hydrocarbon fire retardants, can be successfully added to Kraton� 1107 and reduce incipient gel dosage.
TABLE 1______________________________________Incipient gel dose effects with Kraton D-1107Kraton BCL-                          Incipient GelD-1107 462     HBCDD    BE-51 Pyrochek                               (kGy)______________________________________control --      --       --    --     85 � 598    2       --       --    --     55 � 5                                     light gel95.2  4.8     --       --    --     55 � 587    13      --       --    --     55 � 595.2  --      4.8      --    --     65 � 595.2  --      --       4.8   --     55 � 595.2  --      --       --    4.8    65 � 5______________________________________ BCL-462 = 1,2dibromoethyl-2,3-dibromocyclohexane (Ethyl) HBCDD = hexabromocyclododecane (Great Lakes) BE-51 = tetrabromobis-phenol A, bis(allyl eter) (Great Lakes) Pyrochek = poly(tribromostyrene) (Pyrochek 68PB, Ferro)
TABLE 2______________________________________Incipient gel dose effects of chlorinated polyethylenewith Kraton D-1107 linear SIS rubberKraton Regalrez   CPE    AO           Incipient GelD-1107 1078       4211   330   DLTDP  (kGy)______________________________________control --         --     --    --     95 � 540    58         2      0.5   0.5    55 � 540    56         4      0.5   0.5    55 � 5______________________________________
TABLE 3______________________________________Incipient gel dose effects with multiarmed (Si)xTRW-  Escor-  Regalrez              BCL-  Incipient6-1523 ez 5300 1065     AO330 DLTDP  462   Gel (kGy)______________________________________pure  --      --       --    --     --    25 � 5rubber30    31      39       0.5   0.5    3      5 � 5______________________________________
TABLE 4__________________________________________________________________________Incipient gel dose effects with SBS/SI based adhesivesI-406   DX-1300   Piccolyte A115           Shellflex 371                  AO330                      DLTDP                           BLC-462                                Incipient Gel (kGy)__________________________________________________________________________100   --   --      --     --  --   --    250 � 10100   --   --      --     --  --   5    155 � 5-- 40   50      10     0.8 0.8  --   155 � 5-- 40   50      10     0.8 0.8  5     85 � 5-- 40   50      10     0.8 0.8  BE-51                                 75 � 5                           5-- 40   50      10     0.8 0.8  BA-43                                &lt;=20                           5__________________________________________________________________________ I-406 = FID (US) adhesive consisting of Kraton D1101, Solprene 1205, Piccolyte A115, Hercolyn D and AO 330. BA-43 = Bisacrylate of bis(hydroxythylether) of tetrabromobis-phenol A
TABLE 5__________________________________________________________________________Effects of 1,2-dibromoethyl-3,4-dibromocyclohexaneon the adhesive properties of a Kraton D-1107 formulationBasic formula for 131-21 A to D: 25 Kraton D-1107, 8.2 Escorez 5320, 66.8Regalrez 1065,0.5 Ethyl 330 and 0.5 Cyanox LTDPParts     EB               180�                            70� C.                                   70� C.FormulaBCL-462     Dose (kGy)             Looptack (N/m)                      Peel (N/m)                            DySh (kPa)                                   ETS (ks)__________________________________________________________________________131-21A0     0      4290 sf/c                      2200 c                            9.4 c  1 c21A  0    70      3270 sf/c                      2170 c                            45.7 c  10 f/p21B  2    70      4030 sf/c                      2330 c                            52.8 c 500+21C  4    70      3770 sf/c                      2200 c                            76.4 f/p                                   3.3 f/p21D  6    70      3670 sf/c                      2170  47.2 c 2.5 c/f__________________________________________________________________________ 70� C. DySh = dynamic shear test at 70� C.; 0.2"/min crosshead speed, 0.5" � 0.5" stainless steel facestock 70� C. ETS = aluminum facestock 1" � 1", 1 kg load. Lower values of formulae with high content of BCL462 may be due to overcure or other effects.
TABLE 8______________________________________Effects of 1,2-dibromoethyl-3,4-dibromocyclohexane on the SAFTperformance of a styrene-isoprene block copolymer adhesiveKraton  Kr      R-     R-   BCL-   Dose  SAFTD-1320X D-1111  1094   1033 462    (kGy) (�C.)______________________________________25      10      54     11   0      70    126 � 425      10      45     20   2      70    155 � nc______________________________________
The following study was performed to establish the effect of using conventional tackifying resins to tackify elastomers on the electron beam (EB) dosage required to achieve incipient gel formation as a function of tackifier (resin) content. There was employed SIS elastomeric polymers known as Kraton� D-1107 (Control 1), SBS block copolymers Kraton� D-1101 (Control 2) and DX 1300 (Control 3) and Kraton� D-1320X, a multi-armed styrene-isoprene block copolymers (Control 4).
The study established, first of all, the base level of EB dosage necessary to achieve a cohesive strength improvement as evidenced by gel formation in the base elastomer, more particularly, where at least 10% of the elastomer of adhesive composition formed an insoluble gel. Since conventional elastomer based pressure-sensitive adhesives contain about 40-90% by weight added tackifying resins, this means that the typical adhesive formulations required an EB dosage of 2-5 times higher than the dosage required for the elastomer itself to achieve an incipient gel formation when an unsaturated C-5 hydrocarbon Escorez� 1310, (Controls 1 and 4) and Piccolite A-115 alpha-pinene (Controls 2 and 3) tackifiers are used as the tackifying resins. The elastomer requiring the lowest dosage was the multiarmed (SI)x copolymer.
To illustrate the invention there was used Regalrez� 1033 an 100% hydrogenated (saturated) aromatic resin manufactured by Hercules, Inc. (Example 1) and Escorez� E-5380, a saturated aliphatic hydrocarbon manufactured by Exxon (Example 2). The comparison was Control 1. As can be seen incipient dosage to gel increased in proportion to the amount of unsaturated tackifying resin introduced to the rubber whereas the use of the hydrogenated tackifiers causes the incipient dosage to remain the same or in some instances reduced.
Using the same procedure as the previous Examples and Controls the effect of a saturated tackifier , Escorez� 5380, (Example 3) and an unsaturated tackifier, Escorez� 1310 (Control 5) have on the relative incipient gel dosage required to achieve gel formation for a multi-armed styrene-isoprene block copolymer (Kraton�-D-1320X) was compared.
Table 9 tabulates the improved high temperature properties induced to Kraton� D-1107 and Kraton� D-1320X using as the saturated tackifier Regalrez� 1078. While 180� peel remain essentially unchanged there is dramatic improvement in elevated temperature shear.
TABLE 9______________________________________Component Parts        Cont 6  Ex 4   Ex 5 Cont 7                                  Ex 6 Ex 7______________________________________Kraton � D-1107        35      35     35   --    --   --Kraton � D-1320X        --      --     --   35    35   35Regalrez � 1078        65      65     65   65    65   65Antioxidant  1       1      1    1     1    1EB Dosage, kGy        0       75     100  0     75   100180� Peel at 23� C.,        1490    1770   1460 1690  1220 1320(N/M)180� Peel at 70� C.,        350     440    310  320   390  320(N/M)Looptack, (N/M)        1490    2300   2350 1690  1220 1320Shear at 70� C., (K.S.)        1.1     4.4    7.2  0.15  7    17.8______________________________________
The relative incipient gel formation dosage for Kraton� D-1107 using an aromatic tackifier of different levels of unsaturation was compared. They are manufactured and sold by Hercules, Inc., under the designation P iccolastic� A-50 (0% hydrogenated), Regalrez� 3102 (30% hydrogenated); Regalrez� 6108 (60% hydrogenated) and Regalrez� 1033 (100% hydrogenated). The higher the degree of hydrogenation the lower the dosage required, for a given level of resin concentration, to form a gel. This is important since a certain amount, usually 30-40% of the base rubber, must be crosslinked to form a network in order to achieve a significant improvement in physical properties.
As recognized, partially hydrogenated rosins have been used as premium tackifier resins for a long time. One of the best is Foral 85 manufactured by Hercules, Inc. According to information available from Hercules, Inc., it is about 60% hydrogenated. FIG. 5 establishes that for Kraton� D-1107, Foral 85 (Control 8) is on a comparative basis significantly better than Escorez� 1310 (Control 1) as a relatively low free radical consumer but not as good as Example 6 where Regalrez� 1033 a saturated hydrocarbon was used as the tackifier.
Endex� 160 is an aromatic end-block reinforcing resin compatible with the polystyrene phase of the block copolymer Kraton D-1107 but not compatible with the elastomeric polyisoprene phase. It does not substantially interfere with crosslinking in presence of an organic additive (Table 10) or a blend thereof (Table 11), but synergistically provided exceptionally high elevated temperature shear strength on EB cure.
The following is to show that a mixture of saturated tackifiers Escorez� 5300 and Regalrez� 1065 can be used to improve high temperature shear performance of a multiarmed styrene-isoprene rubber Kraton� D-1320X.
TABLE 10______________________________________Formula  Elastomer  Escorez � 5300                          Regalrez � 1065______________________________________1      30         11.7         58.32      30         30.9         39.13      40         44.2         15.8______________________________________
TABLE 11______________________________________     Cont  Ex     Cont    Ex   Cont  Ex     10    10     11      11   12    12______________________________________Kraton D-1107,       40      40     40    40   40    40partsRegalrez 1078, parts       60      60     60    60   60    60Endex 160, parts       --      --     10    10   15    15Antioxidant, parts       1       1      1     1    1     1EB dosage (kGy)       0       75     0     75   0     75180� C. Peel, (N/M)       1110    1160   1350  1220 1190  1000Looptack, (N/M)       1890    1880   2250  1860 1890  154070� C. Shear (K.S.)       0.1     3.2    3.2   50.1 6.7   81.7______________________________________
TABLE 12______________________________________     Cont  Ex     Cont    Ex   Cont  Ex     13    13     14      14   15    15______________________________________Kraton D-1107,       40      40     40    40   40    40partsRegalrez 1078, parts       40      40     40    40   40    40Escorez 5320, parts       20      20     20    20   20    20Endex 160, parts       0       0      10    10   15    15Antioxidant, parts       1       1      1     1    1     1EB dosage (kGy)       0       75     0     75   0     75180� Peel, (N/M)       1340    1300   1340  1430 1360  1260Looptack, (N/M)       2170    2140   1570  1710 1540  77070� C. Shear, (K.S.)       6       60.3   69.1  807  51.4  854______________________________________
TABLE 13__________________________________________________________________________Cont/ExFORMULA       EB DOSAGE(kGy)                  LOOPTACK                         180� PEEL, RT                                 180� PEEL, 70�                                           ETS, 70� C.__________________________________________________________________________Cont. 161       0         2550   1670    140       0.2Ex. 161      75         2410   1620    190       9.9Cont. 172       0         2570   1600     65       0.1Ex. 172      75         1260   1520    265       25.2Cont. 182       0         1950   1350    245       3.0Ex. 183      75         1220   1240    280       218.2__________________________________________________________________________
The multiarmed copolymer Kraton� D-1320X has an incipient gel dosage of 25 kGy. A mixture of 30 parts of the multiarmed copolymer, 31 parts Escorez� 5300 and 39 parts Regalrez� 1065 also required 25 kGy to achieve incipient gel formation.
Control 20 and Examples 26-29 are for the combination of an SBS copolymer Kraton� D-1102 tackified with a mixture of Regalrez� 6108 and Kadol Oil a hydrogenated mineral oil in the presence of trimethylolpropane tri(3-mercaptopropionate) as a multifunctional polythiol crosslinker. As can be seen in Table 14, the combination gives on cure excellent elevated temperature shear.
TABLE 14______________________________________   Cont 15          Ex 26   Ex 27    Ex 28 Ex 29______________________________________Kraton D-1102     40       40      40     40    40Regalrez 6108     50       50      50     50    50Kaydol Oil     10       10      10     10    10TMPTMP*   0        0.6     0.6    1     1Antioxidant     1        1       1      1     1EB dosage 0        20      50     20    50(kGy)180� Peel,     1390     1180    1120   1130  1060(N/M)Looptack, 1750     1352    1770   1850  1110(N/M)70� C. Shear,     1        2.3     120+***                             11.8  120+***(K.S.)**______________________________________ *TMPTMP is trimethylolpropane tri(3mercaptopropionate) **Weight is 1000 g and overlap area is 1 sq. in. ***No failure
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS4243500 *Dec 4, 1978Jan 6, 1981International Coatings, Co., Inc.Acrylate ester, tackifying resin, noncrystalline elastomerUS4556464 *Apr 29, 1985Dec 3, 1985Shell Oil CompanyCopolymer of a monoalkenylarene and a conjuated diene; tackifier rsinUS4948825 *Jun 3, 1987Aug 14, 1990Avery International CorporationPressure sensitive adhesive of an elastomer, an organic additive and a polythiol crosslinking agent* Cited by examinerReferenced byCiting PatentFiling datePublication dateApplicantTitleUS5614577 *Apr 11, 1994Mar 25, 1997Avery Dennison CorporationPressure sensitive adhesivesUS5718958 *Jun 7, 1995Feb 17, 1998Avery Dennison CorporationRepulpable pressure-sensitive adhesive constructions having multiple layersUS5827609 *Jun 7, 1995Oct 27, 1998Avery Dennison CorporationFacestock, several adhesive layers of combined specified thickness with different glass transition temperatures, release surface; improved label convertibility, nonsmearingUS5985095 *Jun 6, 1997Nov 16, 1999Avery Dennison CorporationProcess for removing contaminants from paper pulp using a deinking composition comprising pressure-sensitive-adhesiveUS5993961 *Jun 7, 1995Nov 30, 1999Avery Dennison CorporationInhibits the migration of mobile species such as oils, resins, tackifiers, or plasticizers from the adhesive layer into the facestock or from the facestock into the adhesive layer.US6083338 *Sep 26, 1996Jul 4, 2000Avery Dennison CorporationThe dispersible pressure-sensitive adhesive is closer to the facestock than the nondispersible pressure-sensitive adhesive, thereby improving both adhesive performance and recyclability.US6476131Sep 15, 2000Nov 5, 2002The University Of AkronSelf-reinforced rubber matrix having high glass transition temperature thermoset domainsUS20120306188 *Jun 3, 2011Dec 6, 2012Albert ChenAdhesive notepadEP2050766A2Jun 19, 2003Apr 22, 2009National Starch And Chemical Investment Holding CorporationPolymeric PhotoinitiatorsEP2060589A2Jun 19, 2003May 20, 2009National Starch And Chemical Investment Holding CorporationPolymeric Photoinitiators* Cited by examinerClassifications U.S. Classification524/274, 525/194, 524/276, 524/505, 524/484, 428/355.0BL, 524/483, 524/486, 524/271, 525/193, 524/534, 522/110, 524/272, 525/98International ClassificationC09J153/02, C08J3/00, C08L53/02Cooperative ClassificationC08J3/00, C08J2321/00, C09J153/02European ClassificationC08J3/00, C09J153/02Legal EventsDateCodeEventDescriptionJun 6, 2006FPExpired due to failure to pay maintenance feeEffective date: 20060412Apr 12, 2006LAPSLapse for failure to pay maintenance feesOct 26, 2005REMIMaintenance fee reminder mailedOct 11, 2001FPAYFee paymentYear of fee payment: 8Sep 30, 1997FPAYFee paymentYear of fee payment: 4Jan 10, 1995CCCertificate of correctionJan 21, 1994ASAssignmentOwner name: AVERY DENNISON CORPORATION, CALIFORNIAFree format text: CHANGE OF NAME;ASSIGNOR:AVERY INTERNATIONAL CORPORATION;REEL/FRAME:006833/0569Effective date: 19901015Jun 11, 1990ASAssignmentOwner name: AVERY INTERNATIONAL CORPORATION, A CORP. OF DE, CAFree format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:SASAKI, YUKIHIKO;LOSSNER, KEVIN;REEL/FRAME:005350/0608Effective date: 19900605RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services