Heterocyclic Reactant Contains Anhydride Group Patents (Class 525/207)
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Patent number: 4510280Abstract: Blends of (a) a vinyl chloride polymer having a relative viscosity as measured at a concentration of 1 gram per 100 grams of cyclohexanone at 25.degree. C. falling within the range of about 1.50 to about 1.85; (b) a copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride in which the relative proportions of said compound and said anhydride fall within the range of about 91 to about 70 weight percent of said compound and about 9 to about 30 weight percent of said anhydride; and (c) a tin-containing stabilizer and an impact modifier for vinyl chloride polymers. These blends contain 60 to 40 weight percent of (a) and 40 to 60 weight percent of (b) and have an Izod impact strength (ASTM D 256, Method A) of at least 0.5 foot pound per inch; a heat deflection temperature (ASTM D 648) at 66 psi of at least 75.degree. C.; and a dynamic thermal stability of at least 10 minutes.Type: GrantFiled: November 24, 1980Date of Patent: April 9, 1985Assignee: Ethyl CorporationInventors: Jesse D. Jones, Edwin D. Hornbaker
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Patent number: 4506049Abstract: A thermoplastic molding composition having good gloss and physical properties is disclosed. This composition contains in intimate admixture: a vinyl chloride polymer; a copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride; a styrene-maleic anhydride copolymer having a number average molecular weight within the range of from about 1000 to about 8000; and an alkyl diphenyl phosphite. The copolymer of a vinyl aromatic compound and an .alpha.,.beta.-unsaturated cyclic anhydride can be rubber modified.Type: GrantFiled: May 16, 1983Date of Patent: March 19, 1985Assignee: Ethyl CorporationInventors: Warren B. Mueller, Jesse D. Jones
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Patent number: 4500497Abstract: Insolubilized poly(maleic anhydride) is disclosed for use in a method of removing heavy metals, particularly lead, from aqueous media.Type: GrantFiled: June 2, 1982Date of Patent: February 19, 1985Assignee: National Research Development CorporationInventors: Alan G. Rowley, Fiona M. Husband
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Patent number: 4495243Abstract: A release agent comprising (A) a polymer of at least one vinyl monomer of the general formulaCH.sub.2 .dbd.CR.sub.1 COO(CH.sub.2 CHR.sub.2 O).sub.n CONHR (I)wherein R.sub.1 and R.sub.2, independently from each other, represent hydrogen or a methyl group, R represents an alkyl group having at least 12 carbon atoms or a fluoroalkyl group having at least 6 carbon atoms, and n is an integer of from 1 to 6,(B) a copolymer of at least one vinyl monomer of general formula (I) above and another compound copolymerizable therewith, or a mixture of said polymer (A) and said copolymer (B); and a product prepared by coating the said release agent on a non-adhesive surface of an adhesive article having an adhesive surface and the non-adhesive surface or on the surface of a release paper.Type: GrantFiled: August 21, 1980Date of Patent: January 22, 1985Assignee: Sekisui Kagaku Kogyo Kabushiki KaishaInventor: Takaji Kishi
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Patent number: 4460741Abstract: Molding compositions are prepared from blends of (A) a thermoplastic copolyetherester elastomer; (B) a styrene maleic anhydride polymer; (C) an ABS or MBS polymer; and (D) a nitrile rubber. Component B, the styrene maleic anhydride polymer may optionally contain a termonomer such as methyl-methacrylate or acrylonitrile and a rubber component.Type: GrantFiled: November 4, 1982Date of Patent: July 17, 1984Assignee: Monsanto CompanyInventors: Daniel L. Dufour, James S. Holtrop
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Patent number: 4458046Abstract: A thermoplastic composition made up of an intimate admixture of (a) a vinyl chloride polymer, and (b) a thermoplastic copolymer of vinyl aromatic compound and an imide derivative of an ethylenically unsaturated dicarboxylic acid. The preferred blends contain from 90 to 40 weight percent of (a) and 10 to 60 weight percent of (b).Type: GrantFiled: July 20, 1982Date of Patent: July 3, 1984Assignee: Ethyl CorporationInventors: Edwin D. Hornbaker, Jesse D. Jones
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Patent number: 4452948Abstract: A coating composition comprises a hydroxy component having at least two free hydroxyl groups per molecule and an anhydride component which is a polymer-containing cyclic carboxylic acid anhydride groups derived from an olefinically unsaturated cyclic carboxylic acid anhydride, the two components being packaged separately during storage of the composition and being compatible on mixing. At least one of the components is a film-forming polymer. The composition includes a catalytically effective amount of amine groups for accelerating the curing reaction between the hydroxyl groups and the anhydride groups. The amine groups are present in the molecule of the hydroxy component or in a separate amine compound. The hydroxy component is preferably a film-forming acrylic copolymer having pendent hydroxyl and dialkyl-amino-alkyl groups. The composition is particularly useful as a glossy pigmented coating for rigid substrates such as vehicle bodies where hardening of the coating at ambient temperature is required.Type: GrantFiled: September 1, 1981Date of Patent: June 5, 1984Assignee: The International Paint Company LimitedInventors: Alistair R. Marrion, Susan Roy, Frank E. Rowe
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Patent number: 4451617Abstract: A miscible polyblend comprising an .alpha., .beta.-ethylencially unsaturated dicarboxylic acid or its anhydride copolymerized with at least one monovinyl-substituted aryl hydrocarbon monomer and an imide derivative of maleic anhydride copolymerized with at least one monovinyl-substituted-aryl hydrocarbon monomer is disclosed.Type: GrantFiled: August 16, 1982Date of Patent: May 29, 1984Assignee: Atlantic Richfield CompanyInventor: Bi L. Khac
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Patent number: 4444951Abstract: Molding compositions are prepared from blends of (A) thermoplastic polynorbornene nitrile polymers; (B) styrene/maleic anhydride polymers; (C) at least one of the polymers selected from the group consisting of ABS polymers, MBS polymers, and styrene/acrylonitrile polymers. Component B, the styrene/maleic anhydride polymer may optionally contain a termonomer such as methylmethacrylate or acrylonitrile and a rubber component.Type: GrantFiled: April 11, 1983Date of Patent: April 24, 1984Assignee: Monsanto CompanyInventor: Robert A. Mendelson
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Patent number: 4415694Abstract: A composition for coating on low pressure sliding connections to enhance electrical contact comprises an admixture of an anhydride copolymer; a flexibilizing copolymer; a hydrophobic, soluble, compatible fluoroaliphatic radical-containing composition; an antioxidant; optionally a mercaptan; and a suitable solvent system. Articles coated with the contact enhancing composition are disclosed.Type: GrantFiled: May 18, 1982Date of Patent: November 15, 1983Assignee: Minnesota Mining and Manufacturing CompanyInventors: Russell A. Roiko, Richard J. Pokorny
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Patent number: 4414355Abstract: An insulative coating composition for providing water-repellancy to and protecting communication wire comprises an admixture of an anhydride copolymer, a flexibilizing copolymer, a suitable solvent system, a hydrophobic, soluble, compatible fluoroaliphatic radical-containing composition and optionally, a mercaptan, and optionally, an antioxidant. Articles coated with the insulative composition are disclosed.Type: GrantFiled: July 14, 1981Date of Patent: November 8, 1983Assignee: Minnesota Mining and Manufacturing CompanyInventor: Richard J. Pokorny
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Patent number: 4408010Abstract: The use of a styrenic copolymer of maleimide to improve the heat resistant properties of styrene/maleic anhydride copolymers is disclosed.Type: GrantFiled: October 4, 1982Date of Patent: October 4, 1983Assignee: Atlantic Richfield CompanyInventor: Bi Le-Khac
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Patent number: 4400486Abstract: An acrylic adhesive composition comprising an acrylic polymer as a base resin and a modified cyclopentadiene resin having a softening point of at least 60.degree. C. obtained by copolymerizing (a) 85 to 50% by weight of a cyclopentadiene monomer and (b) 15 to 50% by weight of a polar vinyl monomer or a hydrogenation product of said cyclopentadiene resin as a tackifier.Type: GrantFiled: August 18, 1982Date of Patent: August 23, 1983Assignee: Nippon Zeon Co. Ltd.Inventors: Riso Iwata, Akira Wada
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Patent number: 4387191Abstract: The tendency to crosslink of polymer compositions comprising polymer units derived from acrylonitrile and maleic anhydride is controlled by the use of an acid ester of a phosphorus acid.Type: GrantFiled: March 25, 1982Date of Patent: June 7, 1983Assignee: Monsanto CompanyInventors: Daniel L. Dufour, Alva F. Harris
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Patent number: 4381373Abstract: A heat resistant resin composition comprises 10 to 90 wt. % of a copolymer (A) having 15 to 50 wt. parts of N-phenylmaleimide component, 85 to 40 wt. parts of a vinyl aromatic monomer component and 0 to 30 wt. parts of a vinyl comonomer component to be 100 wt. parts in total; and 90 to 10 wt. % of a copolymer (B) having 15 to 30 wt. parts of a cyanovinyl monomer component, 85 to 65 wt. parts of a vinyl aromatic monomer component and 0 to 30 wt. parts of a vinyl comonomer component.Type: GrantFiled: November 19, 1981Date of Patent: April 26, 1983Assignee: Mitsubishi Monsanto Chemical CompanyInventor: Sadao Ikuma
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Patent number: 4379877Abstract: A thermoplastic molding composition which comprises a homogeneous mixture of two thermoplastic copolymers is disclosed. In one of its more specific aspects, this invention pertains to a homogeneous mixture of a copolymer of a monovinyl aromatic monomer and an alpha, beta-unsaturated cyclic anhydride and a phosphorus-containing alternating copolymer.Type: GrantFiled: October 26, 1981Date of Patent: April 12, 1983Assignee: Atlantic Richfield CompanyInventor: Usama E. Younes
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Patent number: 4377664Abstract: A thermoplastic molding composition which comprises a mixture of two thermoplastic synthetic polymers, which are at least partially miscible with one another, is disclosed. In one embodiment, the molding composition comprises a mixture of styrene-citraconic anhydride copolymer and methyl-methacrylate-styrene copolymer.Type: GrantFiled: November 12, 1981Date of Patent: March 22, 1983Assignee: Atlantic Richfield CompanyInventor: Larry G. Bourland
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Patent number: 4374954Abstract: Improved powder coating compositions are disclosed which comprise a particulate mixture of (1) a qualitatively difunctional copolymer of about 5 to about 20 weight percent of a glycidyl ester of a monoethylenically unsaturated acid, about 2 to about 10 weight percent of difunctional monomers selected from C.sub.5 -C.sub.7 hydroxyalkyl acrylates and C.sub.5 -C.sub.7 hydroxyalkyl methacrylates, and about 70 to about 93 weight percent monoethylenically unsaturated monomers consisting essentially of monfunctional monomers selected from the group consisting of esters of a C.sub.1 -C.sub.8 monohydric alcohol and acrylic acid, esters of a C.sub.1 -C.sub.8 monohydric alcohol and methacrylic acid and C.sub.8 -C.sub.12 monovinyl hydrocarbons, and (2) an anhydride crosslinking agent selected from the group consisting of monomeric anhydrides of dicarboxylic acids and homopolymers of monomeric anhydries of dicarboxylic acids, the same being present in an amount such as to provide about 0.3 to about 1.Type: GrantFiled: February 24, 1975Date of Patent: February 22, 1983Assignee: Ford Motor CompanyInventors: Santokh S. Labana, Ares N. Theodore
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Patent number: 4371666Abstract: A flame retardant blend of thermoplastic polymers comprises a blend of 1-99 percent by weight of a chlorinated polyvinyl chloride resin and 1-99 percent by weight of a copolymer of styrene and an ethylenically unsaturated dicarboxylic acid monomer, the blend having a heat distortion temperature in excess of 200.degree. F., and a single glass transition property. Such blends which contain at least 40 percent by weight of said chlorinated polyvinyl chloride resin and an oxygen index of at least 0.25 also exhibit flame retardant properties.Type: GrantFiled: August 17, 1981Date of Patent: February 1, 1983Assignee: Atlantic Richfield CompanyInventor: Larry G. Bourland
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Patent number: 4359047Abstract: A gelatinous adhesive composition and a tacky article of manufacture are produced by heating at least one polyhydric alcohol and at least one material selected from the group consisting of naturally occurring high molecular weight polysaccharide gums, other than gum Karaya, and resins which are a copolymer of a vinyl ether and a second component selected from maleic anhydride and its corresponding free acid, together in the absence of solvent to promote chemical reaction between the components and to drive off water produced in the reaction, the reaction being carried substantially to completion. In another embodiment, the components are at least one polyhydric alcohol, a resin which is a copolymer of a vinyl ether and a second component selected from maleic anhydride and its corresponding free acid, and a material selected from the group consisting of gelatin and naturally occurring high molecular weight polysaccharide gums.Type: GrantFiled: March 20, 1980Date of Patent: November 16, 1982Assignee: Advance Tapes (U.K.) LimitedInventor: Jan J. Potaczek
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Patent number: 4356819Abstract: An article of manufacture with adhesive properties comprising a gelatinous adhesive composition dispersed in a plastics matrix. The gelatinous adhesive composition is the resulting product of heating together in the absence of solvent at least one polyhydric alcohol and at least one material selected from the group consisting of gelatin, naturally occurring high molecular weight polysaccharide gums, and resins which are a copolymer of a vinyl ether and a second component selected from organic acid anhydrides and their corresponding free acids. Heating promotes a chemical reaction between the components and also drives off water produced in the reaction which is carried substantially to completion.Type: GrantFiled: March 20, 1980Date of Patent: November 2, 1982Assignee: Advance Tapes (U.K) LimitedInventor: Jan J. Potaczek
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Patent number: 4355139Abstract: Compatibilized polymer blends are described comprising a blend of olefin polymer, nitrile rubber, and a compatibilizing amount of block copolymer comprising nitrile rubber compatibilizing segments and olefin polymer compatibilizing segments.Type: GrantFiled: June 22, 1981Date of Patent: October 19, 1982Assignee: Monsanto CompanyInventors: Aubert Y. Coran, Raman Patel
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Patent number: 4339554Abstract: A polyvinyl chloride resin blend having a high heat distortion temperature, comprising a blend of 60-80 percent by weight of a polyvinyl chloride resin and 20-40 percent by weight of a copolymer of a vinyl aromatic monomer, such as styrene, and either 14-27 percent by weight of maleic anhydride or 10-18 percent by weight of an imide derivative of maleic anhydride.Type: GrantFiled: December 18, 1980Date of Patent: July 13, 1982Assignee: Atlantic Richfield CompanyInventor: Kenneth W. Doak
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Patent number: 4338417Abstract: Method for preparing a polymer alloy which is stable and homogeneous at high temperatures which comprises a component (a) one or more polymers of high molecular weight, having anhydride groups and component (b) one or more polymers of high molecular weight, having groups which have the ability to interact with hydrogen atoms to form hydrogen bonds. Initially, a solution of component (a) is prepared in an organic solvent and thereafter a solution of component (b) is added. Component (a), in the dissolved state, may be protolyzed in whole or in part, prior to or after the addition of component (b) by the action of protolyzing agents. After the solvent is removed formed products, such as granules, fibres, foils, foam, may be made from the polymer alloy.Type: GrantFiled: June 16, 1980Date of Patent: July 6, 1982Assignee: Nederlandse Centrale Organisatie voor Toegepast-Natuurwetenschappelijk OnderzoekInventors: Adolf Heslinga, Pieter J. Greidanus
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Patent number: 4334038Abstract: This disclosure relates to a process for forming plastics from a melt of a mixture of plastics, stabilizers, antioxidants and lubricants, wherein the lubricants comprise a derivative of a copolymer of unsaturated polycarbonic acids or the anhydrides thereof and .alpha.-olefins having an average of at least 28 carbon atoms.Type: GrantFiled: January 30, 1981Date of Patent: June 8, 1982Assignee: Akzona IncorporatedInventors: Heinz Beck, Karl H. Frassek, Egenius A. Giezen, Eduard M. Verhulst
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Patent number: 4332917Abstract: Method for preparing a polymer alloy which is stable and homogeneous up to high temperatures, from component (a) one or more polymers of high molecular weight, having anhydride groups and component (b) one or more polymers of high molecular weight, having groups which have the ability to interact with hydrogen atoms to form hydrogen bonds, wherein first a solution of component (a) is prepared in an organic solvent, to which solution then component (b) is added, whereas component (a) in dissolved state is protolyzed in whole or in part, prior to or after the addition of component (b) under the action of protolyzing agents, whereupon the solvent is removed; together with the formed products obtained from such a polymer alloy, such as granules, fibres, foils, foam, etc.Type: GrantFiled: December 20, 1979Date of Patent: June 1, 1982Assignee: Nederlandse Centrale Organisatie voor Toegepast-Natuurwetenschappelijk OnderzoekInventors: Adolf Heslinga, Pieter J. Greidanus
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Patent number: 4329272Abstract: Styrene/maleic anhydride polymers can be made more resistant to combustion by incorporation therein of minor amounts of polyvinyl chloride. The compositions can also comprise MBS, ABS and other flame retardant additives.Type: GrantFiled: March 17, 1981Date of Patent: May 11, 1982Assignee: Monsanto CompanyInventor: Daniel L. Dufour
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Patent number: 4320046Abstract: Ethylene or propylene polymers are dyed by dispersing a small quantity of a copolymer of a C-14 or higher alpha-olefin and maleic anhydride therein and subsequently treating the composition with an aqueous solution of a basic dye stuff such as Malachite Green.Type: GrantFiled: September 15, 1980Date of Patent: March 16, 1982Assignee: Gulf Oil CorporationInventor: Richard H. Havens
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Patent number: 4318742Abstract: Odontologic compositions suited for use as denture adhesives, the compositions containing a major amount of gum base and a quantity of a hydrophilic polymer to modify the adhesive properties of the gum base together with processes for producing such compositions.Type: GrantFiled: September 27, 1979Date of Patent: March 9, 1982Assignee: Solar Dental Co., Inc.Inventor: Oddvin Lokken
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Patent number: 4291133Abstract: Polymer surfaces which are rendered nonthrombogenic are disclosed. Polymers, including hydrophobic polymers, which can be swollen by selected solvents, are rendered nonthrombogenic by absorbing into the surface of said polymers pendant aliphatic side chains which are attached to a linear polymer having reactive pendant groups which are negatively charged or which may be reacted with compounds having a negative charge, such as heparin. The compounds absorbed into the substrate surface have multi-point attachment to the surface.Type: GrantFiled: April 5, 1979Date of Patent: September 22, 1981Inventors: Vaclav Horak, Jiri Janata
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Patent number: 4255299Abstract: A polymer containing perfluoroalkyl group in its side chain which is an addition reaction product of a polymer having the following general formula: ##STR1## wherein R is phenyl group or alkoxyl group having 1 to 12 carbon atoms, R.sup.1 is alkyl group having 1 to 12 carbon atoms, and n is an integer of 10 to 2,000, with an epoxy compound selected from the group consisting of ##STR2## wherein R.sub.f is perfluoroalkyl group having 3 to 20 carbon atoms and R.sup.2 is alkyl group having 1 to 12 carbon atoms, the addition reaction product containing 0.1 to 50% by mole of the group derived from the epoxy compound having the formulae (IIa) to (IIc) per 1 mole of the recurring unit of the polymer having the formula (I). The polymer is good in compatibility with film-forming resins and solvents and improves the leveling property of a coating composition when incorporated thereinto and the surface smoothness of the film obtained from the composition.Type: GrantFiled: December 19, 1979Date of Patent: March 10, 1981Assignee: Daikin Kogyo Co., Ltd.Inventors: Shigeo Daimon, Kazuo Okamura
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Patent number: 4230830Abstract: Polymeric blends particularly useful as adhesives for nylon prepared from an ethylene polymer and a second polymer grafted with maleic anhydride.Type: GrantFiled: March 30, 1979Date of Patent: October 28, 1980Assignee: E. I. Du Pont de Nemours and CompanyInventors: Stephen R. Tanny, Philip S. Blatz
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Patent number: 4225476Abstract: Adhesive blend of wood rosin and a thermoplastic graft copolymer prepared by heating for about 15 seconds to 60 minutes, with mixing, a trunk copolymer of at least two monomers, at least one of said monomers providing amine-reactive sites taken from the group consisting of the anhydride group, e.g., maleic anhydride; a vicinal pair of carboxylic groups and a carboxylic acid adjacent to an alkoxycarbonyl group, wherein the alkoxy group contains up to 20 carbon atoms, and at least one of said monomers containing no amine-reactive sites, and at least one side chain polymer having per chain one active amine site taken from the group consisting of primary and secondary amines, the remainder of said side chain polymer being substantially unreactive with the reactive sites, e.g., amino-substituted polycaprolactam, polylaurolactam, polyethylene oxide, etc., of the trunk copolymer.Type: GrantFiled: May 14, 1976Date of Patent: September 30, 1980Assignee: E. I. Du Pont de Nemours and CompanyInventors: Clarence F. Hammer, Harold K. Sinclair
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Patent number: 4211851Abstract: A self-swelling leakage-preventing material is produced by reacting under heat a mixture of a copolymer of a lower olefin such as isobutene with maleic anhydride, a polymer emulsion having compatibility with the copolymer, such as an acrylic polymer emulsion, and a compound having at least two functional groups in a molecule selected from the group consisting of a hydroxy group, amino group and epoxy group, such as ethylene glycol, until a crosslinked product having a swelling ratio of 5-40 times is obtained. The mixture itself may be shaped into a suitable form prior to the reaction. A core material such as a non-woven fabric may be impregnated with the mixture prior to the reaction.Type: GrantFiled: November 30, 1978Date of Patent: July 8, 1980Assignee: C.I. Kasei Company LimitedInventor: Hiroharu Sasayama
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Patent number: 4199492Abstract: A novel coating composition useful in automobile refinish air-dry paint coating compositions. The novel coating composition comprises a blend of a maleic modified acrylic copolymer and an unsaturated polyether.Type: GrantFiled: March 29, 1979Date of Patent: April 22, 1980Assignee: Inmont CorporationInventor: Howard T. Roth
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Patent number: 4197263Abstract: Polymeric compositions having high softening temperatures, good gas barrier properties and low creep properties are composed of an olefinically unsaturated nitrile, another monovinyl component and maleic anhydride and optionally a diene monomer.Type: GrantFiled: September 20, 1978Date of Patent: April 8, 1980Assignee: The Standard Oil CompanyInventors: George S. Li, John F. Jones
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Patent number: 4192930Abstract: This invention relates to moldable thermoplastic compositions comprising a thermoplastic polymer admixed with a minor shaping processing improving amount of an esterified olefin-maleic anhydride copolymers formed from olefins having 2 to about 24 carbon atoms, where the esterifying alcohol is a monovalent alcohol having 2 to about 20 carbon atoms and where the ratio of maleic anhydride to esterifying alcohol is about 1:0.5 to about 1:2.Type: GrantFiled: June 15, 1978Date of Patent: March 11, 1980Assignee: Akzona IncorporatedInventors: Heinz Beck, Karl H. Frassek, Werner Holtvoigt, Ambar Mukerjee