Source: http://www.google.com/patents/US7759449?dq=7,328,163
Timestamp: 2015-03-29 05:17:42
Document Index: 166700225

Matched Legal Cases: ['Application No. 2', 'Application No. 2', 'Application No. 2431823', 'Application No. 2', 'Application No. 2431637', 'Application No. 090131091', 'Application No. 090131091', 'Application No. 091112797', 'Application No. 091112797', 'Application No. 091113492', 'Application No. 091113492', 'Application No. 01992116', 'Application No. 01992116']

Patent US7759449 - Methods for introducing additives into polyethylene terephthalate - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inAdvanced Patent SearchPatentsThe invention is a method for the late introduction of additives into polyethylene terephthalate. The method employs a reactive carrier that functions as a delivery vehicle for one or more additives. The reactive carrier reacts with the polyethylene terephthalate, thereby binding the reactive carrier...http://www.google.com/patents/US7759449?utm_source=gb-gplus-sharePatent US7759449 - Methods for introducing additives into polyethylene terephthalateAdvanced Patent SearchPublication numberUS7759449 B2Publication typeGrantApplication numberUS 10/962,167Publication dateJul 20, 2010Filing dateOct 8, 2004Priority dateDec 15, 2000Fee statusPaidAlso published asUS20050170175, US20070142537Publication number10962167, 962167, US 7759449 B2, US 7759449B2, US-B2-7759449, US7759449 B2, US7759449B2InventorsCarl S. Nichols, Tony Clifford MooreOriginal AssigneeWellman, Inc.Export CitationBiBTeX, EndNote, RefManPatent Citations (98), Non-Patent Citations (51), Referenced by (1), Classifications (36), Legal Events (3) External Links: USPTO, USPTO Assignment, EspacenetMethods for introducing additives into polyethylene terephthalate
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS3538045Oct 30, 1967Nov 3, 1970Fmc CorpThermal stabilization of polyestersUS3553157May 22, 1968Jan 5, 1971Ici LtdPolyester compositions and shaping processUS3956008Feb 27, 1974May 11, 1976Kark Finke OhgSurfactants, 2a carbonates, silicates, or sulfates, silicaUS4132707Dec 6, 1976Jan 2, 1979General Electric CompanyPreparation of branched poly(alkylene terephthalates)US4224264Jan 18, 1979Sep 23, 1980Monsanto CompanyFoam crystallization of condensation polymersUS4312960Apr 21, 1980Jan 26, 1982Monsanto CompanyAromatic polyestersUS4365031Mar 4, 1981Dec 21, 1982The Goodyear Tire & Rubber CompanyComposition and process for making a green colored polyesterUS4374949Oct 27, 1980Feb 22, 1983The Goodyear Tire & Rubber CompanyComposition and process for making a green colored polyesterUS4434276Mar 31, 1983Feb 28, 1984Chemische Werke Huels AktiengesellschaftOrganic phosphite catalystUS4443573May 6, 1982Apr 17, 1984Allied CorporationAdditive dispersions and process for their incorporation with fiber-forming polymersUS4595715Sep 7, 1984Jun 17, 1986Toyo Boseki Kabushiki Kaisha T/A Toyobo Co., Ltd.Oriented polyester film containing calcium carbonate and kaoliniteUS4643925Apr 1, 1985Feb 17, 1987The Goodyear Tire & Rubber CompanyMulti-layer polyisophthalate and polyterephthalate articles and process thereforUS4654399Jun 2, 1983Mar 31, 1987The Goodyear Tire & Rubber CompanyTitanium pigment as catalysts, dyesUS4778858Mar 5, 1987Oct 18, 1988The Goodyear Tire & Rubber CompanyMelt polymerization of polyethylene terephthalate and liquid crystalline polymerUS4786673Jan 26, 1988Nov 22, 1988AtochemContaining melamine cyanurate and a polyolUS4898897Apr 21, 1988Feb 6, 1990Konica CorporationProcess for producing polyester resin compositionUS5008230May 22, 1989Apr 16, 1991Hoechst Celanese CorporationCatalyst for preparing high clarity, colorless polyethylene terephthalateUS5240980May 22, 1992Aug 31, 1993Milliken Research CorporationSemi-crystalline; poly(alkyleneoxy) substituted chromphoreUS5262471May 6, 1992Nov 16, 1993Fuji Photo Film Co., Ltd.Blending a base resin, a modified polyolefin masterbatch resin, carbon black and a polyolefin wax, and moldingUS5288784May 24, 1991Feb 22, 1994Maruo Calcium Company LimitedPolyester composition containing vaterite-type calcium carbonateUS5308892May 6, 1993May 3, 1994Zimmer AktiengesellschaftProcess for the preparation of polyester-masterbatch containing finely divided additivesUS5376702Oct 21, 1991Dec 27, 1994Ems-Inventa AgProcess and apparatus for the direct and continuous modification of polymer meltsUS5523379Dec 21, 1994Jun 4, 1996General Electric PlasticsModifying a polycarbonate with a benzotriazole derivative to impart improved resistance to effects of ultraviolet radiationUS5574078Nov 10, 1994Nov 12, 1996Lasermaster CorporationThermal compositionsUS5656700Aug 17, 1995Aug 12, 1997Ems--Inventa AgAdding lactone to polyethylene terephthalate melt, intensively mixing with static mixer in sealed pipe at pressure higher than vapor pressure of lactone to form copolymerUS5712362Aug 10, 1995Jan 27, 1998Bayer AgProcess for the production of UV-stable polycarbonatesUS5807963Apr 12, 1996Sep 15, 1998General Electric CompanyRadiation resistantUS5834089Mar 3, 1997Nov 10, 1998Basf CorporationAdditive-containing synthetic filaments, and yarns and carpets including such filamentsUS5874517Dec 23, 1997Feb 23, 1999Hoechst Celanese CorporationAddition of primary phenolic and secondary phosphonite antioxidants either prior to or after the polyethylene terephthalate polycondensation reaction in order to reduce the amount of regenerated acetaldehyde producedUS5898058May 20, 1996Apr 27, 1999Wellman, Inc.Method of post-polymerization stabilization of high activity catalysts in continuous polyethylene terephthalate productionUS5900487Jun 26, 1998May 4, 1999General Electric CompanyHigh molecular weight stabilizer compounds for stabilizing polymersUS5919872Jun 12, 1997Jul 6, 1999Shell Oil CompanyProcess for crystallizing blends of polyethylene terephthalate and polyethylene isophthalateUS5919891Jun 26, 1998Jul 6, 1999General Electric CompanyAromatic polycarbonate endcapped with 3-(2h-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxy-benze ne-propanoic acid; improved resistance to the effects of ultraviolet radiationUS5922828Aug 13, 1997Jul 13, 1999Hoechst Celanese Corp.Polymerizing in presence of a titanium polycondensation catalyst and a stabilizer which possesses an irreversible oxidation potential of at least +2.0 volts versus the standard calomel electrode to reduce acetaldehyde by-productUS5939516May 12, 1993Aug 17, 1999Imperial Chemical Industries PlcModified polyester polymersUS5945460Oct 24, 1997Aug 31, 1999Eastman Chemical CompanyProcess for continuously producing polyester articles with scrap recycle in a continuous melt-to-preform processUS5962558Jun 26, 1998Oct 5, 1999General Electric CompanyHigh molecular weight stabilizer compounds for stabilizing polymersUS5976450Jul 13, 1992Nov 2, 1999Mreijen; HubertusPreform for polyester bottleUS6048922Aug 5, 1998Apr 11, 2000Eastman Chemical CompanyPolymer composites reinforced with fibers with solild state polymerization and mixing with fibersUS6110405Sep 15, 1997Aug 29, 2000Wellman, Inc.Adding nonaqueous liquid dispersion of refined hydrocarbon oil and colorant to melt phase of polyethylene terephthalate; forming filaments; nonhydrolyzingUS6121351Aug 7, 1997Sep 19, 2000Eastman Chemical CompanyA polymeric dye blends is not leachable, sublimable or extractable and do not exude from the thermoplastic compositionsUS6150454Nov 3, 1998Nov 21, 2000Arteva North America S.A.R.L.Blend containing nucleation agentUS6150496Feb 5, 1999Nov 21, 2000Basf CorporationInherently light-and-heat-stabilized polyamide and method of making the sameUS6284866Dec 7, 1999Sep 4, 2001Wellman, Inc.Method of preparing modified polyester bottle resinsUS6294254Aug 28, 1998Sep 25, 2001Wellman, Inc.Polyester modified with polyethylene glycol and pentaerythritolUS6335422May 8, 2001Jan 1, 2002Wellman, Inc.Polymerizing a terephthalic acid with a diol to form a polyethylene terephthalate, then copolymerizing in melt phase and again in solid phase to form a high molecular weight resin; melt processability; haze-free; tastelessUS6339121Mar 14, 2000Jan 15, 2002The Research Foundation At State University Of New YorkUsed in thin films which are used in microlithographic applications and as lubricants in low tolerance magnetic disksUS6383635Aug 31, 1999May 7, 2002Wellman, Inc.Polyethylene terephthalate, coloring agent and refined hydrocarbon oil; clothing, textilesUS6423764Aug 24, 2000Jul 23, 2002Milliken & CompanyMethod of producing colored polyester thermoplastic materials through specific solid-state proceduresUS6485829May 9, 2001Nov 26, 2002Wellman, Inc.FilamentUS6500890Dec 15, 2000Dec 31, 2002Wellman, Inc.Polyester bottle resins having reduced frictional properties and methods for making the sameUS6559271Sep 13, 2001May 6, 2003Inventa-Fischer Gmbh & Co. KgMethod for producing polyesters with a reduced content of free acetaldehydeUS6569991Aug 17, 2001May 27, 2003Wellman, Inc.Methods of post-polymerization extruder injection in polyethylene terephthalate productionUS6573359Dec 14, 2001Jun 3, 2003Wellman, Inc.Methods of post-polymerization injection in condensation polymer productionUS6590069Dec 14, 2001Jul 8, 2003Wellman, Inc.Methods of post-polymerization extruder injection in condensation polymer productionUS6599596Dec 15, 2000Jul 29, 2003Wellman, Inc.Reacting terephthalate component and a diol component to form polyethylene terephthalate precursors; polymerizing precursors via melt phase polycondensation to form polymers of polyethylene terephthalate; introducing reactive carrierUS6710158Jun 21, 2002Mar 23, 2004Wellman, Inc.Reacting a terephthalate and a diol component to form polyethylene terephthalate and polymerizing by melt phase polycondensation adding surface-modified- talc and calcium carbonateUS6727306Jun 21, 2002Apr 27, 2004Wellman, Inc.Polymer resins having reduced frictional propertiesUS6767485Mar 25, 2003Jul 27, 2004Arteva North America S.A.R.L.Process for controlling molecular weight of polymerUS6803082Jul 25, 2003Oct 12, 2004Wellman, Inc.Methods for the late introduction of additives into polyethylene terephthalateUS7294671Feb 6, 2004Nov 13, 2007Invista North America S.A.R.L.Reactive carriers for polymer melt injectionUS20010029281May 9, 2001Oct 11, 2001Nichols Carl S.FilamentUS20020077449 *Dec 15, 2000Jun 20, 2002Nichols Carl StevenReacting terephthalate component and a diol component to form polyethylene terephthalate precursors; polymerizing precursors via melt phase polycondensation to form polymers of polyethylene terephthalate; introducing reactive carrierUS20030022989Apr 16, 2002Jan 30, 2003Thomas BraigFor producing molded exterior automotive partsUS20040236066May 21, 2004Nov 25, 2004Moore Tony CliffordSlow-crystallizing polyester resinsUS20050170175Oct 8, 2004Aug 4, 2005Nichols Carl S.Carrier as supplying vehicle; binding to adjuvant; melt processability of PET; preventing heat during heat treatment; uniform blendingUS20050176881Feb 6, 2004Aug 11, 2005Bheda Jayendra H.Reactive carriers for polymer melt injectionUS20070142537Feb 2, 2007Jun 21, 2007Edwards Walter LLate introduction of inert particulate additives via a reactive carrier to achieve a polyester resin capable of being formed into low-haze, high-clarity bottles with reduced coefficient of frictionUS20080226856May 29, 2008Sep 18, 2008Welllman, Inc.Polyester Resins and Polyester Containers Having Reduced Frictional PropertiesCA2236638A1May 1, 1998Nov 5, 1998Ciba Specialty Chemicals Holding Inc.Vitamin e formulations for stabilising polymeric organic materialsCZ177211B1 Title not availableEP0139203A2Sep 7, 1984May 2, 1985Toyo Boseki Kabushiki KaishaProduction of oriented polyester filmEP0169085A1May 13, 1985Jan 22, 1986Elf Atochem S.A.Polyamide composition with retarded combustibilityEP0266754A2Nov 4, 1987May 11, 1988Nippon Ester Company Ltd.Colorants and polyester shaped articles mass-colored therewithEP0272417A2Nov 5, 1987Jun 29, 1988General Electric CompanyBlends of polycarbonate resins and polyester resins exhibiting improved color propertiesEP0453917A1Apr 13, 1991Oct 30, 1991Teroson GmbhCoating consisting of two layers and method for making the sameEP0455370A2Apr 16, 1991Nov 6, 1991Metacol LimitedThe incorporation of additives into polyestersEP0678376A1Apr 18, 1995Oct 25, 1995Axxis N.V.A copolyester-containing plastic sheet, a process for the manufacture of the plastic sheet and mouldings manufactured from the plastic sheetEP0703263A1Aug 9, 1995Mar 27, 1996Bayer AgProcess for the preparation of UV-stable polycarbonatesEP0718341A2Nov 24, 1995Jun 26, 1996General Electric CompanyHigh molecular weight stabilizer compounds for stabilizing polymersEP0794222A2Feb 27, 1997Sep 10, 1997Basf CorporationMethods for making additives for synthetic filaments and incorporating such additives in thermoplastic filament-forming polymeric materialsEP0878502A2Apr 28, 1998Nov 18, 1998Ciba Specialty Chemicals Holding Inc.Formulations of Vitamin E for stabilisation of polymeric organic materialsEP1341836A1Dec 14, 2001Sep 10, 2003Wellman, Inc.Methods of post-polymerization injection in condensation polymer productionEP1349884A2Dec 14, 2001Oct 8, 2003Wellman, Inc.Methods of post-polymerisation extruder injection in condensation polymer productionJPH0339348A Title not availableJPH0673205A Title not availableJPH04180957A Title not availableJPH05117379A Title not availableJPH08120066A Title not availableJPH11323126A Title not availableJPS4879896A Title not availableJPS61250034A Title not availableWO1988001503A1Aug 25, 1986Mar 10, 1988Paul J Albee JrPolymeric carriers for liquid additives for use in plastic polymersWO1993020147A1Mar 31, 1993Oct 14, 1993Eastman Kodak CoPolyester/polyamide blend having improved flavor retaining property and clarityWO1999028408A1Dec 3, 1998Jun 10, 1999Atochem Elf SaA process for the preparation of an antistatic resin composition and an antistatic resin composition prepared by the sameWO1999041297A1Feb 12, 1999Aug 19, 1999Basf AgInherently light- and heat-stabilized polyamide and method of making the sameWO2000012793A1Aug 27, 1999Mar 9, 2000Wellman IncPolyester modified with polyethylene glycol and pentaerythritolWO2000066659A1Apr 28, 2000Nov 9, 2000Al Malaika SaharThermoplastic moulding compositions and polymer additives* Cited by examinerNon-Patent CitationsReference1BASF Corporation, Polyethylene Glycols, General Information, Printing date Oct. 17, 2002.2Canadian Notice of Allowance in Canadian Patent Application No. 2,431,637, dated Jun. 19, 2009.3Canadian Office Action in Canadian Application No. 2,431,823, dated Jan. 10, 2008.4Canadian Office Action in commonly owned copending Canadian Application No. 2431823, dated Jan. 10, 2008 Counterpart of International Publication No. WO 02/051616.5Canadian Office Action in corresponding Canadian Application No. 2,431,637, dated Jan. 11, 2008.6Canadian Office Action in corresponding Canadian Application No. 2431637, dated Jan. 11, 2008 Counterpart of International Publication No. Wo 02/048237.7Ciba Specialty Chemicals Inc., Ciba� TINUVIN� 213 Liquid Benzotriazole UV Absorber, Printing date Oct. 2004.8Ciba-Geigy, Tinuvin 213, Ultraviolet Light Stabilizer, Product Data, Hawthorne NY (1990) (See also, Cite No. 85).9Ciba's Reply to Wellman's Statement of Grounds for Appeal in the matter of European Patent No. 1341836, dated Feb. 16, 2009.10Decision confirming revocation of European Patent No. 1349884 for failure to file a Statement of Grounds, dated Dec. 5, 2008.11Decision revoking European Patent No. 1341836, issued by the European Patent Office on Apr. 3, 2008.12Decision revoking European Patent No. 1349884, issued by the European Patent Office on Nov. 20, 2007.13Decision to granting European Patent No. 1341836, issued by the European Patent Office on Aug. 20, 2004.14Eastman Chemical Company Observations to the Oral Proceedings in the matter of European Patent No. 1341836, dated Nov. 29, 2007.15Eastman Chemical Company's Reply to Wellman's Statement of Grounds for Appeal in the matter of European Patent No. 1341836, dated Feb. 23, 2009.16English translation of an official letter received from the Mexican Institute of Industrial Property, related to a Mexican Patent Application No. PA/a/2003/005346.17English Translation of Opposition Brief filed in the EPO by Ciba Specialty Chemical on Dec. 8, 2005 against European Patent No. 1341836 (see sited earlier No. 81).18English translation of Taiwanese Office Action in commonly owned copending Taiwanese Application No. 090131091 Counterpart of International Publication No. WO 02/048237.19English translation of Taiwanese Office Action in commonly owned copending Taiwanese Application No. 090131091, Counterpart of International Publication No. WO 02/048237, transmitted to Applicants on Jan. 24, 2003 [Re-cited with date as requested by Examiner].20English translation of Taiwanese Office Action in commonly owned copending Taiwanese Application No. 091112797 Counterpart of International Publication No. WO 02/051616.21English translation of Taiwanese Office Action in commonly owned copending Taiwanese Application No. 091112797, Counterpart of International Publication No. WO 02/051616, transmitted to Applicants on Mar. 23, 2008 [Re-cited with date as requested by Examiner].22English translation of Taiwanese Office Action in commonly owned copending Taiwanese Application No. 091113492 Counterpart of U.S. Appl. No. 6,573,359.23English translation of Taiwanese Office Action in commonly owned copending Taiwanese Application No. 091113492, Counterpart of U.S. Appl. No. 6,573,359, issued on Jul. 4, 2005 [Re-cited with date as requested by Examiner].24European Office Action for corresponding European Application No. 01992116, dated Jan. 9, 2004.25European Office Action in corresponding European Patent No. 1341836, dated Jan. 9, 2004.26G.M. Terekhova, N.V. Mikhailov, L.G. Tokareva; Heat Stability of Polyethylene Terephthalate (PET) Containing Phosphoric Acid Esters; Khimicheskie Volokna, No. 4, 1964, pp. 33-35.27International Search Report (mailed Jun. 14, 2002), Written Opinion (mailed Aug. 7, 2002), Written Opinion (mailed Mar. 10, 2003), International Preliminary Examination Report (mailed Apr. 30, 2003), and International Preliminary Examination Report (mailed Jun. 16, 2003) for International Application No. PCT/US 01/48440.28International Search Report (mailed Jun. 6, 2002), Written Opinion (mailed Sep. 10, 2002), Written Opinion (mailed Mar. 10, 2003), and International Preliminary Examination Report (mailed Apr. 14, 2003) for International Application No. PCT/US 01/48423.29Letter from opponent Ciba in European opposition proceedings (German language) against European Patent No. 1349884, dated Aug. 20, 2007.30Letter from opponent Ciba in opposition proceedings (German-language) against European Patent No. 1341836, dated Feb. 16, 2009 [All references previously cited].31Letter from opponent Eastman Chemical Co. in opposition proceedings against European Patent No. 1341836, dated Feb. 23, 2009.32Minutes of oral proceedings before the European Patent Office (Opposition Division) for European Patent No. 1341836, dated Jan. 30, 2008.33Minutes of oral proceedings before the European Patent Office (Opposition Division) for European Patent No. 1349884, dated Nov. 7, 2007.34Minutes of the oral proceedings before the European Patent Office (Opposition Division) for European Patent No. 1349884, dated Nov. 20, 2007.35Notice of Appeal filed by Wellman against the decision to revoke European Patent No. 1349884, dated Jan. 28, 2008.36Observations on Behalf of the Patentee filed on Dec. 6, 2004 in support of European Patent No. 0 900 247. (See Cite No. 71).37Opposition Brief filed in the European Patent Office by Ciba Speciality Chemical on Dec. 8, 2005 against European Patent No. 1341836 (English translation of Cite No. 81).38Opposition Brief filed in the European Patent Office by Ciba Speciality Chemical on Dec. 8, 2005 against European Patent No. 1341836.39Opposition Brief filed in the European Patent Office by Ciba Speciality Chemical on May 23, 2005 against European Patent No. 1349884. (English translation is included).40Opposition Brief filed in the European Patent Office by Eastman Chemical Co. on May 25, 2005 against European Patent No. 1349884.41Opposition Brief filed in the European Patent Office in European Patent Office By Eastman Chemical Co. on Dec. 8, 2005 against European Patent No. 1341836.42Opposition Brief filed in the European Patent Office on Jun 23, 2004, by Eastman Chemical Co. against European Patent EP 0 900 247, which issued Sep. 24, 2003, to Wellman, Inc.43Responsive comments filed in the European Patent Office on May 5, 2006, by Eastman Chemical Co. against European Patent EP 1 349 884, which issued Aug. 25, 2004, to Wellman, Inc.44Statement of Grounds for Appeal in counterpart European Patent Application No. 01992116, filed on Jul. 25, 2008.45Summons to Oral Proceedings in European opposition proceeding against European Patent No. 1341836, dated Nov. 29, 2007.46Summons to Oral Proceedings in European opposition proceeding against European Patent No. 1349884, dated Sep. 7, 2007.47Wellman's Notice of Appeal against the decision of the Opposition Division revoking European Patent No. 1341836, dated May 30, 2008.48Wellman's Observation on Behalf of the Patentee in the Matter of European Patent No. 1349884 and in the matter of Opposition thereto by Eastman and by Ciba Spec. Chemical.49Wellman's Observations on Behalf of the Patentee in the Matter of European Patent No. 1341836 and in the Matter of Opposition thereto by Eastman and by Ciba Spec. Chemical; filed Jul. 24, 2006.50Wellman's Observations to the Oral Proceedings in the matter of European Patent No. 1341836, dated Nov. 29, 2007.51Wellman's Observations to the Oral Proceedings in the matter of European Patent No. 1349884, dated Sep. 7, 2007.Referenced byCiting PatentFiling datePublication dateApplicantTitleUS8020784 *Oct 6, 2006Sep 20, 2011Durr Systems Inc.Coating material supply installation and associated operating procedure* Cited by examinerClassifications U.S. Classification528/272, 528/271, 428/364, 264/176.1, 528/487, 524/115, 524/481, 528/503, 528/491, 428/36.3, 528/286, 525/437, 264/219International ClassificationC08G69/48, C08G69/04, C08L67/02, C08G63/78, C08G69/28, C08J3/205, C08G63/00Cooperative ClassificationC08J2367/02, C08G69/04, C08K3/34, C08J3/2056, C08G69/48, C08L67/02, C08G69/28, B29K2105/0002, C08G63/78European ClassificationC08J3/205D2, C08L67/02, C08K3/34, C08G69/28, C08G69/04, C08G69/48, C08G63/78Legal EventsDateCodeEventDescriptionJan 8, 2014FPAYFee paymentYear of fee payment: 4Oct 24, 2012ASAssignmentOwner name: DAK AMERICAS MISSISSIPPI INC., MISSISSIPPIFree format text: MERGER;ASSIGNOR:WELLMAN, INC.;REEL/FRAME:029181/0180Effective date: 20120529Feb 15, 2011CCCertificate of correctionRotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services