baber/WOPTO huggingface dataset:
Patent EP-0372328-A2 (EP)
Inventor: WEBER SIEGFRIED DR
IPC: C08F4/69
Filed: 1989-11-25
Abstract: The area is the polymerization of ethylene by Phillips catalysis using (1) a supported catalyst containing chromium, phosphorus and aluminium, and (2) a cocatalyst comprising an alkyllithium, (1) having been obtained by (1.1) preparing a catalyst precursor containing chromium, phosphorus and aluminium from a silicate support, a selected chromium compound, a selected phosphorus compound and a selected aluminium compound, and then (1.2) heating the catalyst precursor in an oxygen-containing gas stream. It is a characteristic of the process that (1) has been obtained by - in each case specifically in the type and manner - first preparing (1.1) by (1.1.1) preparing a suspension first from (1.1.1.1) a finely divided silicate support and (1.1.1.2) an inert organic solvent, (1.1.2) then combining (1.1.2.1) an organochromium compound in an inert organic solvent (1.1.2.2) with (1.1.2.3) a trialkyl aluminium compound (1.1.3) then combining (1.1.3.1) the suspension resulting from (1.1.1) with (1.1.3.2) a phosphoric or phosphorous acid ester and (1.1.3.3) the product obtained from (1.1.2), finally (1.1.4) evaporating the suspension obtained in (1.1.3) to dryness, and then, secondly, (1.2) first (1.2.1) treating the precursor obtained from (1.1) with a stream of nitrogen, then (1.2.2) heating the intermediate obtained from (1.2.1) in an oxygen-containing gas stream, and (1.2.3) treating the intermediate obtained from (1.2.2) with a stream of nitrogen, and finally (1.3) suspending the product obtained from (1.2.3) in (1.3.1) an organic solvent and then (1.3.2) reacting it with an alkylboron compound, and (2) is an alkyllithium compound.
Patent EP-0328276-A2 (EP)
Inventor: CARLSON CHARLES WESLEY
IPC: G01N33/543
Filed: 1989-01-27
Abstract: A sandwich immunoassay for determining total monoclonal IgG content in samples of purified IgG, cell culture medium and ascites fluid is provided based on the utilization of anti-light-chain IgG antibodies as both capture and label antibodies.
Patent EP-0338812-A2 (EP)
Inventor: JUSO HIROMI
IPC: H04N9/802
Filed: 1989-04-19
Abstract: A magnetic tape recording/reproducing apparatus (31) comprises two picture memories (36a, 36b). At the time of recording, a digital video signal converted by A/D converter (36) is stored in one picture memory (36a) in a first time period. Digital sound signals converted by A/D converters (32, 33) are stored in the other picture memory (36b) in a second time period. The digital video signal stored in one picture memory (36a) is read out in the second time period, to be recorded on a magnetic tape (42). The digital sound signals stored in the other picture memory (36b) are read out in the second time period, to be recorded of the magnetic tape (42). At the time of reproduction, the digital video signal recorded on the magnetic tape (42) is read out in the second time period, to be stored in either one of the picture memories (36a, 36b). The digital video signal recorded on the picture memory is read out in the first time period, to be outputted through a D/A converter (51). The digital sound signals recorded on the magnetic tape (42) are outputted through D/A converters (47, 48).
Patent EP-0338848-A2 (EP)
Inventor: SHIMIZU MAKOTO OKI ELECTRIC IN
IPC: G06K13/08
Filed: 1989-04-21
Abstract: A card read/write device comprises a frame (10) having a card insertion opening (11a), electrode terminals (23a, 24a) arranged to correspond to electrodes (C1) provided on a card (C), a disconnection mechanism (20) for moving the electrode terminals (23a, 24a) towards and away from the electrodes (C1) of the card (C). The disconnection mechanism (20) is rotatably mounted on the frame (10) and comprises contact members (23, 24) having electrode terminals (23a, 24a), transfer levers (25, 26) interlocked with insertion of the card (C) for permitting the electrode terminals (23a, 24a) to contact the electrodes (C1) of the card (C) and a spring (27) for urging the contact members (23, 24) in a direction such as to move the contact members (23, 24) away from the card.
Patent EP-0338860-A2 (EP)
Inventor: MITSUNO TATSUYUKI
IPC: C08K5/14
Filed: 1989-04-21
Abstract: A thermoplastic elastomer composition which comprises 
a mixture (F) comprising 
100 parts by weight of a mixture (C) essentially consisting of 24 - 80 parts by weight of an oil-extended olefinic copolymer rubber (A) and 20 - 76 parts by weight of an olefinic plastic (B); said oil-extended olefinic copolymer rubber (A) comprising 100 parts by weight of an olefinic copolymer rubber (a) having a Mooney viscosity (ML₁₊₄ 100°C) of 90 - 200 and a propylene content of 10 - 60 % by weight and 20 - 60 parts by weight of a mineral oil softener (b), and 
0.1 - 3 parts by weight of a bismaleimide compound (D), said mixture (F) being dynamically heat-­treated in the presence of an organic peroxide (E). 
     The thermoplastic elastomer composition has excellent injection moldability and mat appearance. In the production of the thermoplastic elastomer composition, kneading is easy to carry out and a time required for the kneading is considerably reduced.
Patent EP-0353893-A2 (EP)
Inventor: ARMSTRONG DAVID W
IPC: C12M1/06
Filed: 1989-07-14
Abstract: A cell culture apparatus particularly suitable for the culture of viable, shear sensitive cells, either grown in suspension or attached to a substrate such as microcarrier beads. The apparatus comprises a cell culture compartment and a compensation chamber disposed thereabove and serving to maintain sterile conditions for the cell culture compartment operating in a zero-headspace mode. The cell culture compartment com­prises a gas exchange tube connected to an outside source of gas and defining a downflow zone and a central upflow zone in the cell culture compartment. An Archimedean screw-type auger is installed coaxially in the cell cul­ture compartment to provide a circulating flow of liquid therein. The turbulence of the flow is reduced by the provision of an upper and lower flow guide surface. The gas exchange tube is adapted to exchange gas from outside with the liquid inside the cell culture compartment both on its outer and on its inner surface thereby enhancing the efficiency of gas exchange.
Patent EP-0353990-A2 (EP)
Inventor: TATENO YOSHIAKI
IPC: C07C29/56
Filed: 1989-08-01
Abstract: A process for industrial preparation of trans-1,4-­cyclohexanedimethanol of high purity by distilling a mixture of cis- and trans-1,4-cyclohexanedimethanol in the presence of alkali, or by heating a mixture of cis- and trans-1,4-cyclohexanedimethanol in the presence of alkali and then distilling the heated mixture, and a process for preparing powdered trans-1,4-­cyclohexanedimethanol by pulverizing the distillate obtained above.
Patent EP-0354763-A2 (EP)
Inventor: GULLBERG GRANT THEODORE
IPC: A61B6/03
Filed: 1989-08-08
Abstract: A method and means is presented to estimate the contour of a body to compensate for attenuation in the production of a reconstructed image in fan beam computed tomographic systems having a detector system for taking a plurality of projections of a scanned body at a plurality of angles. The method and means defines a set of variable parameters representing an arbitrary ellipse and projects the arbitrary ellipse into fan beam projection space to determine the expected edges of the arbitrary ellipse at each angle in terms of the variable parameters. A series of fan beam projections is taken having sufficient information for reconstructing a cross-sectional image of the scanned body, and the fan beam coordinates of the apparent body edges in each of the projections are determined. The expected edges of the projected ellipse are fitted to the determined apparent body edge coordinates for each projection by iteratively optimizing all of the variable parameters of the arbitrary ellipse to determine a final set of parameters which defines an elliptical contour which best fits the scanned body. A cross sectional image of the body using the plurality of projections is then reconstructed and compensated by assigning attenuation values to the portion of the reconstructed image encompassed by the elliptical contour.
Patent EP-0344131-A2 (EP)
Inventor: DE LEONIBUS VITTORE
IPC: C03C27/04
Filed: 1989-05-18
Abstract: An apparatus, formed by a plurality of devices, permits the automatic glueing of metal bases onto glass windscreens for automobiles. The apparatus is formed by a device for loading the windscreen, a centering device, a device for the hot glueing of a base, and devices for the automatic feeding of the bases. Devices for the unloading of the windscreen and for the supply of bases also form a part of the same apparatus.
Patent EP-0346307-A2 (EP)
Inventor: EKLUND NILS OLA
IPC: D21F7/08
Filed: 1989-05-16
Abstract: A dewatering wet press felt to be used on papermaking machines and comprising at least one top layer (6) made from staple fibers and the like and facing the paper web (4), and a second layer. The second layer (7) constitutes a barrier layer of such a nature that during the compression phase in the press nip in the press section of the papermaking machine the water is forced through the second layer (7) but is prevented from flowing back to the top layer and the paper web during the expansion phase after the press nip.
Patent EP-0379081-A2 (EP)
Inventor: ZIERKE THOMAS DR
IPC: C07F7/18
Filed: 1990-01-12
Abstract: Process for the preparation of 1-hydroxymethyloxiranes Z-substituted in position 2, of the general formulae I and ent-I, <IMAGE>  in which the substituents A and B independently of one another denote C1-C4-alkyl, phenyl, naphthyl, diphenyl or phenyl substituted by one to three radicals from the group comprising halogen, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-haloalkyl, nitro and phenoxy,  in which ketones of the general formula II <IMAGE> in which A and B have the abovementioned meanings and X stands for a group which can be eliminated under the reaction conditions, are reacted with trimethylsulphonium methylsulphate and a suitable base or with dimethyloxosulphonium methylide, and novel ketones of the general formula II' <IMAGE> in which the substituents  A' denotes phenyl or 4-fluorophenyl, B' denotes 2-fluorophenyl, 2-chlorophenyl, 2-bromophenyl or 2-trifluoromethylphenyl and  X' denotes hydroxyl or a leaving group, with the proviso that B' does not stand for 2-chlorophenyl when A' denotes phenyl.
Patent EP-0401716-A2 (EP)
Inventor: JENNINGS DEAN
IPC: H01L29/73
Filed: 1990-06-02
Abstract: A process is disclosed for forming high-performance, high voltage PNP and NPN power transistors in a conventional monolithic, planar, epitaxial PNP junction isolated integrated circuit. The process permits independently optimizing the NPN and PNP power transistors. Where high-voltage devices are desired a field threshold adjustment implant is applied. It also includes provisions for testing critical portions of the process at appropriate points.
Patent EP-0401787-A2 (EP)
Inventor: TAMANO YUTAKA
IPC: C08G18/20
Filed: 1990-06-06
Abstract: A process for producing a rigid polyurethane foam by use of a decreased amount of a CFC blowing agent and an increased amount of water used as a blowing agent, maintaining a high degree of heat insulation and improving the deterioration in friability of the product. The catalyst is one of the imidazoles represented by the general formula (I):
      where R₁ is alkyl having 1 to 4 carbons, benzyl, dimethylaminopropyl, or hydroxyalkyl having 1 to 3 carbons; R₂ is hydrogen, alkyl having 1 to 4 carbons, allyl, or benzyl; and R₃ and R₄ are independently hydrogen, methyl, or hydroxymethyl.
Patent EP-0404116-A2 (EP)
Inventor: MIKI YASUAKI
IPC: C08G63/42
Filed: 1990-06-20
Abstract: This invention provides a polyester, which is composed of a constitutive unit of formula (I) and a constitutive unit of formula (II) in a proportion of (I)/(II) of being from 0.1/99.9 to 99.1/0.1 as a molar ratio and which has a logarithmic viscosity (η inh ) of being 0.1 or more:
      where R₀ is a fluorine-free monovalent organic group having from 1 to 40 carbon atoms, R₁, R₂ and R₃ are independently a divalent organic group having from 1 to 40 carbon atoms, and n is 0 or 1. 
     This invention also provides a method of preparing the polyester, in which (A) a monoepoxy compound of formula (III)  
      where R₀ and n have the same meanings as mentioned above, (B) a polyester or a polyester precursor and (C) a dicarboxylic acid compound are reacted and polymerized.
Patent EP-0419788-A2 (EP)
Inventor: WEINLEIN EGON
IPC: B60N3/06
Filed: 1990-07-20
Abstract: In an adjustable foot rest for a seat arrangement of a motor vehicle, having a pivot lever which bears a foot plate, in order to achieve a constantly optimum position of the foot plate, with a view to anthropometric ergonomy, for a 5% woman and a 95% man for different seating settings, the pivot lever is mounted in a sliding element which can be displaced in the longitudinal direction in a mounting part held on the seat. The two-armed pivot lever bears at one end on its lever arm facing away from the foot plate a catch which engages in a toothed rack on the mounting part and thus locks the pivot lever in every displacement position of the sliding element on the mounting part. <IMAGE>
Patent EP-0415074-A2 (EP)
Inventor: SCHMIDT LAWRENCE RAYMOND
IPC: B29C48/76
Filed: 1990-07-23
Abstract: Spiro(bis)indane polycarbonates, including homo- ­and copolycarbonates, are devolatilized by extrusion under conditions of low viscous dissipation and low residence time. By this method, volatile impurities including spiro(bis)indane cyclic dimer may be removed.
Patent EP-0415406-A2 (EP)
Inventor: YOSHIDA YASUHARU C O NEC CORPO
IPC: H04L27/38
Filed: 1990-08-30
Abstract: In a demodulator for demodulating a multilevel quadrature amplitude modulated signal into inphase and quadrature demodulated signals (ID) and (QD), a processing unit (10) processes the multilevel quadrature amplitude modulated signal to produce inphase and quadrature processed signals (IDS) and (QDS). An inphase phase controller (20) is supplied with an inphase control signal and the inphase and the quadrature processed signals and produces an inphase phase controlled signal as the inphase demodulated signal. The inphase demodulated signal comprises an inphase data signal and an inphase error signal. A quadrature phase controller (21) is supplied with a quadrature control signal and the inphase and the quadrature processed signals and produces a quadrature phase controlled signal as the quadrature demodulated signal. The quadrature demodulated signal comprises a quadrature data signal and a quadrature error signal. An inphase multiplier (22) multiplies the inphase error signal by the quadrature data signal and produces an inphase multiplied signal as the inphase control signal. A quadrature multiplier (23) multiplies the quadrature error signal by the inphase data signal and produces a quadrature multiplied signal as the quadrature control signal.
Patent EP-0440907-A2 (EP)
Title: Method and apparatus for hair analysis
Inventor: SCHLECHT WILLI
IPC: G01N21/21
Filed: 1990-11-30
Abstract: An apparatus is proposed for carrying out hair analyses, in which optical and chemico-physical characteristic data of the hair structure and hair care measures carried out are stored by means of a computer (1), evaluated and displayed chronologically on the display unit (2) of the latter. <IMAGE>
Patent EP-0436936-A2 (EP)
Inventor: WEITHMANN KLAUS-ULRICH DR
IPC: C07J9/00
Filed: 1990-12-28
Abstract: Lipid-selective antioxidants of the general formula I  (A)a(L)(X)a(I> in which     A = antioxidant component,   L = linker,   X = lipophilic component,   a and a' = independently of one another the numbers 1 or 2.   The compounds are used to protect lipid-containing substances from oxidation and in pharmaceutical compositions for the prophylaxis and therapy of diseases in which bioradicals are involved, in particular diseases of the heart, circulation and vessels.
Patent EP-0437896-A2 (EP)
Inventor: VINCIGUERRA COSTANTINO
IPC: F16C19/26
Filed: 1990-12-29
Abstract: A method for forming a fully or partly filled roller bearing of very small axial dimension and high loading capacity, in which the rollers (23) are retained between the two cylindrical guide and rolling tracks of the inner race (11) and outer race of the bearing by at least one small-thickness lateral shoulder-forming ring (25) with its inner edge of frusto-conical shape, and which after being expanded preferably by heating, is inserted into a corresponding annular housing groove (26) provided in an edge of said bearing inner race (11), said groove (26) having a wall of frusto-conical shape flared towards the interior of the race and with a mouth of diameter slightly greater than the minimum diameter of said lateral shoulder-forming ring. 
     The bearings formed in this manner are also claimed.
Patent EP-0386990-A2 (EP)
Inventor: ALLEN GARY ROBERT
IPC: H05B41/292
Filed: 1990-03-06
Abstract: A circuit arrangement for, and a method of, operating a high pressure discharge lamp are disclosed, especially such a lamp which contains a high xenon pressure along with a fill of mercury and a halide typically used for metal halide lamps. The high xenon pressure allows the xenon-metal halide lamp to obtain instantaneous light at a high intensity level which is particularly suited for automotive applications. The circuit related to the present invention provides for acoustic (high frequency) operation of the lamp which substantially eliminates known disadvantages of the high pressure xenon lamp of (1) severe arc bowing of such lamps having electrode spacing greater than two millimeters; (2) increased hot-spot temperatures of such lamps; (3) decreased cold-spot temperatures of said lamps and (4) reduced lamp efficiency and life respectively due to decreased cold spots and increased hot-spot temperatures. The circuit in a preferred embodiment incorporates frequency modulation to broaden the desired operational frequency band of the circuit along with straightening the arc between electrodes of the high-pressure xenon-metal halide lamp.
Patent EP-0389230-A2 (EP)
Inventor: RACE MICHAEL JACK
IPC: B01F1/00
Filed: 1990-03-19
Abstract: A pump 2 forms a pressurised stream of waste water and supplies it to a ring main 4 which feeds the liquid to a plurality of conduits 6 which depend therefrom. Each conduit 6 has a venturi 8 whose throat has an inlet 10 for gaseous oxygen formed therein. Each conduit 6 ends in one or more nozzles 12 immersed in a volume of the waste water to be oxygenated. In operation, each venturi 8 restricts the flow of water therethrough and creates turbulence so that a turbulent flow of liquid containing oxygen bubbles is emitted from the associated nozzle 10 at relatively high velocity such that turbulence assisting the dissolution of oxygen is created in the volume of liquid.
Patent EP-0396429-A2 (EP)
Inventor: COHN DANIEL
IPC: A61K47/48
Filed: 1990-05-04
Abstract: The invention provides a polyurethane amide segmented copolymer selected from:
     a) a segmented block polyurethane amide (PEUAm) of the following repeating unit [I]
      wherein R is hexamethylene, 4,4′-diphenylmethane, toluene, naphthalene, 4,4′-dicyclohexylmethane, cyclohexyl, 3,3′-dimethylphenyl, 3,3′-dimethyl-diphenylmethane, 4,6′-xylylene, 3,5,5-trimethylcyclohexyl, 2,2,4-trimethyl-hexamethylene or p-phenylene, 
R′ is selected from a linear or branched, unsubstituted or substituted hydrocarbyl group. the substituents being selected from halogen or hydroxy, or 
R′ is a bivalent Si-(R₁R₂) group, wherein R₁ and R₂ are identical or different groups selected from hydrogen, alkyl, a double bond-containing hydrocarbyl group, halogen, hydroxy or an aromatic ring-containing group, and 
m is a positive integer, 
A is a bivalent saturated or unsaturated, linear or branched, substituted or unsubstituted hydrocarbyl group, the substituents being selected from halogen, hydroxy, cyano, carboxy or amino groups; or 
A is an unsubstituted or substituted aromatic ring-containing group, the substituents being selected from halogen, hydroxy, cyano, carboxy or amino groups, and 
n is zero or a positive integer;   b) a segmented block polyurethane amide of the following repeating unit [II]
      wherein R is hexamethylene, 4,4′-diphenylmethane, toluene, naphthalene, 4,4′-dicyclohexylmethane, cyclohexyl, 3,3′-dimethylphenyl, 3,3′-dimethyl-diphenylmethane, 4,6′-xylylene, 3,5,5-trimethylcyclohexyl, 2,2,4-trimethyl-hexamethylene or p-phenylene, 
R′ is selected from a linear or branched, unsubstituted or substituted hydrocarbyl group, the substitutents being selected from halogen or hydroxy, or 
R′ is a bivalent Si-(R₁R₂) group, wherein R₁ and R₂ are identical or different groups selected from hydrogen, alkyl, a double bond-containing hydrocarbyl group, halogen, hydroxy or an aromatic ring-containing group, and 
m is a positive integer and 
B and D are each a bivalent, saturated or unsaturated, linear or branched, unsubstituted or substituted hydrocarbyl group, the substituents being selected from halogen, hydroxy, cyano, carboxy or amino groups, or 
B and D are each an unsubstituted or substituted aromatic ring-containing group, the substituents being selected from halogen, cyano, carboxy or amino groups wherein B and D can be the same or different, and 
a and b are identical or different and are each 0 or 1, and 
X and Y are identical or different grafted substituents, usually bearing biomedical relevance.
Patent EP-0398620-A2 (EP)
Inventor: KLUGER EDWARD WILLIAM
IPC: C08G65/32
Filed: 1990-05-15
Abstract: Colorants and polymeric or resinous compositions containing the same, including polymeric substrates, especially polyurethane foams which are tinted or deeply colored with one or a mixture of the colorants which have the general formulae  
A 1 -[SO 2 -N(R 3 )-Y] 1-4 , A 2 -[D-Z-SO 2 -N(R 2 )-Y] 1-16 , or
     wherein: R 2  is selected from hydrogen or unsubstituted or substituted alkyl, cycloalkyl, aryl or Y; each of A 1 , A 2 , and A3 is a nonionic metallophthalocyanine chromophore which can be substituted or unsubstituted; Z is an arylene moiety; each D or D is selected from a covalent bond or a linking group consisting of or containing at least one of -0-, -S-, -N(R 3 )-, or -N(SO 2 R 4 )-as the linking moiety, wherein R4 is unsubstituted or substituted alkyl, cycloaliphatic or aryl, and R 3  is R 4  or hydrogen; or D in combination with Z can also be a covalent bond; Y is a poly(oxyalkylene) moiety having an average molecular weight of from 150 to about 10,000 and containing at least about 50 mole percent of monomeric units or mixture thereof of the formula (-RO-) wherein each R is substituted or unsubstituted straight or branched alkylene of 2-4 carbons or mixtures thereof, and containing at least three -RO- units; wherein ring P can be unsubstituted or substituted in addition to the -(D -Y) moieties; and wherein each aliphatic hydrocarbon portion or moiety of the groups, moieties or substituents recited above contains from 1-20 carbons and wherein n is 1-16, except when -D-Z- is a covalent bond then n is equal to 1-4.
Patent EP-0441027-A2 (EP)
Inventor: BUZIO PIERPAOLO
IPC: B29L7/00
Filed: 1990-10-15
Abstract: The present invention is directed to modified polyolefin films with stable twist retention and dead fold properties to be employed in wrapping in general, and particularly in wrapping small items. The films produced by the present invention exhibit improved moisture vapor barrier and oxygen barrier properties. The inventive films are obtained by extrusion and stretching of a ternary mixture comprising (1) isotactic polypropylene; (2) high density polyethylene; and (3) a glassy amorphous low molecular weight resin. Multilayer films are also provided.
Patent EP-0427527-A2 (EP)
Inventor: IWASA MASAO
IPC: H02P27/06
Filed: 1990-11-07
Abstract: The DC offset in a current control system for a PWM inverter drive is corrected by integrating (11) a DC component of a current control signal (9₉) provided by a current control amplifier (9) and feedback controlling (12,9₇) the current control amplifier to reduce the DC component to zero.