Solid Polymer Derived From At Least One Unsaturated Reactant And At Least One Saturated Reactant Patents (Class 525/539)
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Patent number: 5543490Abstract: Polyaspartic acid is prepared by reacting maleic anhydride and ammonia to give maleamic acid, polymerizing the maleamic acid and subsequently hydrolyzing the product to give polyaspartic acid or a salt thereof.Type: GrantFiled: December 17, 1993Date of Patent: August 6, 1996Assignee: Bayer AGInventors: Torsten Groth, Winfried Joentgen, Hans W. Linden, Nikolaus Muller, Heinz-Joachim Rother, Paul Wagner, Martin Kugler
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Patent number: 5539017Abstract: The use of a thermally curable composition as dental material or constituent of a dental material is described, which composition contains one or more .beta.-dicarbonyl compounds and one or more .alpha.,.beta.-unsaturated carboxylic acid esters, the curing of the composition taking place in the presence of a catalyst base.Type: GrantFiled: January 23, 1995Date of Patent: July 23, 1996Assignee: Ivoclar AGInventors: Volker Rheinberger, Norbert Moszner
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Patent number: 5530091Abstract: Molten maleic anhydride is introduced in the form of fine droplets at 53.degree. C. to 250.degree. C. and preferably at 60.degree. C. to 120.degree. C. into a gas atmosphere which consists either of pure gaseous ammonia or of a gas mixture of ammonia and at least one other gas and of which the temperature is between 20.degree. C. and 500.degree. C. The process is carried out at a temperature of 120.degree. C. to 180.degree. C. for the production of polysuccinimide and at a temperature of 10.degree. C. to 120.degree. C. for the production of maleic amide acid.Type: GrantFiled: February 21, 1995Date of Patent: June 25, 1996Assignee: Bayer AktiengesellschaftInventors: Paul Wagner, Dietrich Gehrmann, Thomas Bamberger, Manfred Giltjes, Winfried Joentgen, Torsten Groth
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Patent number: 5525686Abstract: A process for preparing a polyvalent metal salt of a salicylic acid resin which comprises the steps of reacting salicylic acid or its derivative with styrene or its derivative at a temperature of -20.degree. C. or higher but lower than 40.degree. C. in the presence of sulfuric acid, and then reacting the resulting reaction product with a polyvalent metal compound; an aqueous dispersion in which the polyvalent metal salt of the resin is dispersed in water; and a developing sheet in which the polyvalent metal salt of the salicylic acid resin is used.Type: GrantFiled: December 13, 1994Date of Patent: June 11, 1996Assignee: Mitsui Toatsu Chemicals, Inc.Inventors: Yoshimitsu Tanabe, Jotaro Kida, Kiyoharu Hasegawa, Masakatsu Nakatsuka, Masayuki Furuya, Takeshi Nishimura
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Patent number: 5521281Abstract: The compound, [Pd(Me-DUPHOS)(MeCN).sub.2 ](BF.sub.4).sub.2, [Me-DUPHOS: 1,2-bis(2,5-dimethylphospholano)benzene] is an effective catalyst for the highly enantioselective, alternating copolymerization of olefins, such as aliphatic .alpha.-olefins, with carbon monoxide to form optically active, isotactic polymers which can serve as excellent starting materials for the synthesis of other classes of chiral polymers. For example, the complete reduction of a propylene-carbon monoxide copolymer resulted in the formation of a novel, optically active poly(1,4-alcohol).Type: GrantFiled: April 18, 1995Date of Patent: May 28, 1996Assignee: The Penn State Research FoundationInventors: Ayusman Sen, Zhaozhong Jiang
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Patent number: 5506335Abstract: Sulfonic acid group-containing polyaspartic acid derivatives, some of which are novel, having repeating units of the structures I and II ##STR1## in whichR.sup.1 has the meaning given in the description, are suitable for water treatment and as a detergent additive.Type: GrantFiled: November 9, 1994Date of Patent: April 9, 1996Assignee: Bayer AGInventors: Hermann Uhr, Lutz Heuer, Torsten Groth, Winfried Joentgen, Roland Kleinstuck
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Patent number: 5491213Abstract: Polysuccinimide is prepared by reacting an unsaturated C.sub.2 dicarboxylic acid or anhydride thereof, e.g., maleic acid, fumaric acid, and maleic anhydride, with a particulate ammonium salt that is thermally decomposable to liberate ammonia. The reaction is carried out at a temperature which is above the thermal decomposition temperature of the ammonium salt and for a time period which is sufficient for the acid or anhydride to react with the ammonia liberated from the ammonium salt and for polymerization to occur. The present method avoids the prior art problems of controlling ammonia losses and water removal. The product polysuccinimide can be readily hydrolyzed to polyaspartic acid or a salt thereof, if desired.Type: GrantFiled: January 28, 1994Date of Patent: February 13, 1996Assignee: Donlar CorporationInventor: Daniel A. Batzel
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Patent number: 5486581Abstract: It is herein disclosed crosslinked or latently crosslinkable polyketone polymer comprising the polymer, and a minor amount of an iodide salt, wherein the crosslinking is induced by the action of heat and oxygen. It is also disclosed a process for producing crosslinked or crosslinkable polyketone polymers comprising contacting and admixing the polymer and at least one iodide salt prior to exposure to the action of heat and oxygen.Type: GrantFiled: November 19, 1993Date of Patent: January 23, 1996Assignee: Shell Oil CompanyInventor: Carlton E. Ash
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Patent number: 5486594Abstract: It is disclosed a toughened polyamide comprising a polyamide, such as Nylon 6, and a minor amount of a linear alternating polymer of carbon monoxide and at least one or more ethylenically unsaturated hydrocarbon. The toughened polyamide has and exhibits improved properties such as Notched Izod strength and flexural modulus and can be used in the manufacture of articles suitable in many applications.Type: GrantFiled: July 11, 1994Date of Patent: January 23, 1996Assignee: Shell Oil CompanyInventors: Randall P. Gingrich, Michelle Londa, John E. Flood
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Patent number: 5484878Abstract: A process is provided for preparing polysuccinimides by forming a polymerization mixture of poly(alkylene glycol), aspartic acid and, optionally, one or more other amino acids; heating the mixture to an elevated temperature; and maintaining the mixture at the elevated temperature to form polysuccinimides.Type: GrantFiled: August 25, 1994Date of Patent: January 16, 1996Assignee: Rohm and Haas CompanyInventors: Yi H. Paik, Ethan S. Simon, Graham Swift
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Patent number: 5480924Abstract: Conductive polymer doped by a sulphonated cyclodextrin salt and device for obtaining and/or supplying an active substance incorporating said polymer. The dopant used has the following formula (I): ##STR1## in which n is an integer between 2 and 50, M.sup.+ is Na.sup.+, Li.sup.+, K.sup.+ Mg.sup.+ 1/2 or NH.sub.4.sup.+ and R represents --SO.sub.3.sup.- M.sup.+ or --OH, whereby R can differ from one cycle to the other. The doped conductive polymer can be used as an active electrode material in an electrochemical device.Type: GrantFiled: May 19, 1994Date of Patent: January 2, 1996Assignee: Commissariat a l'Energie AtomiqueInventors: Eric Vieil, Gerard Bidan, Andree Gadelle, Maria-Fatima Mendes-Viegas
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Patent number: 5459209Abstract: An improved coating composition having one or more polymeric binders dispersed in a liquid medium, wherein the improvement comprises an anti-sag and anti-settling effective amount of oxidized ethylene-carbon monoxide copolymer.Type: GrantFiled: April 8, 1994Date of Patent: October 17, 1995Assignee: AlliedSignal Inc.Inventor: Michael Jablon
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Patent number: 5459196Abstract: This invention relates to new water-emulsifiable polyester resins, a process for their production and their use as a lacquer row material. These lacquer binders are produced by the reaction of at least one prepolymer A which contains (meth)acryloyl groups and at least one unsaturated water-emulsifiable polyester B with at least one polyisocynate C.Type: GrantFiled: June 10, 1993Date of Patent: October 17, 1995Assignee: Wolff Walsrode AktiengesellschaftInventors: Burkhard Kressdorf, Wolfgang Dannhorn, Erhard Luhmann, Lutz Hoppe
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Patent number: 5457176Abstract: The present invention relates to an acid catalyzed thermal polycondensation process for producing amino acid polymers. More specifically, amino acid polymers are produced by thermally condensing a mixture of one or more amino acids and optionally one or more polyfunctional monomers, using an acid catalyst, while maintaining an intimate admixture. Processing techniques useful for maintaining an intimate admixture include adding to the mixture one or more processing aids, using mechanical means, and combinations thereof. The amino acid polymers produced by this process are useful as cleaning and detergent additives; fertilizer and pesticide additives; personal care product additives; dispersants for inorganic particulates, aqueous emulsions, and drilling muds; and water treatment and oil production operation additives as corrosion and scale inhibitors.Type: GrantFiled: March 16, 1994Date of Patent: October 10, 1995Assignee: Rohm and Haas CompanyInventors: David E. Adler, Michael B. Freeman, James M. Lipovsky, Yi H. Paik
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Patent number: 5442038Abstract: Polymers of maleic acid may be prepared by thermally polymerizing malic acid, maleic acid or fumaric acid with less than one equivalent of ammonia. The polymers are modified by the incorporation of amines, carboxylic acids or combinations thereof. The polymers formed are excellent inhibitors of alkaline earth salt deposition, dispersants, tartar control additives, detergent additives, and water treatment agents.Type: GrantFiled: October 6, 1993Date of Patent: August 15, 1995Assignee: SRCHEM, Inc.Inventors: Louis L. Wood, Gary J. Calton
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Patent number: 5408029Abstract: Polymers of maleic, fumaric or malic acids or maleic, fumaric or malic acid and ammonia with amino acids are prepared by heating at 180.degree.-350.degree. C., preferably 200.degree.-300.degree. C. The polymer formed may be converted to a salt by hydrolysis with a metal hydroxide or ammonium hydroxide.Type: GrantFiled: October 6, 1993Date of Patent: April 18, 1995Assignee: SRCHEM, Inc.Inventors: Lousi L. Wood, Gary J. Calton
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Patent number: 5391710Abstract: Amine functional polymers are purified to remove formate present by contact with a supported Group VIII metal hydrogen transfer catalyst under conditions favoring formate decomposition to carbon dioxide and hydrogen which are removed as gases. The preferred catalyst is palladium on carbon. Essentially salt-free poly(vinylamines) can be obtained by hydrolysis of polymers of N-vinylformamide in aqueous solution using ammonia or a volatile amine as a hydrolysis agent so that formate salts are the principal by-product of the hydrolysis which creates amine functionality in the polymer. Formate can then by removed by the catalytic decomposition described. Removal of carbon dioxide is enhanced by degassing the hydrolyzate prior to formate decomposition and by nitrogen purge of the polymer solution during the catalytic decomposition reaction.Type: GrantFiled: March 25, 1993Date of Patent: February 21, 1995Assignee: Air Products and Chemicals, Inc.Inventor: Michael E. Ford
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Patent number: 5369180Abstract: Improved compositions comprise miscible polymer blends of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with a styrene/acrylonitrile copolymer rich in acrylonitrile.Type: GrantFiled: August 22, 1991Date of Patent: November 29, 1994Assignee: Shell Oil CompanyInventors: Joseph M. Machado, Raymond N. French
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Patent number: 5369170Abstract: It is herein disclosed a composite system consisting essentially of a polyketone polymer and an aminated polyolefin, produced by reacting a polyolefin with excess diamine to form an imide with a free primary amine, and causing the primary amine to react with a polyketone chain to form a pyrrole. These reactions can occur during inter alia a co-extrusion hot coating application or blending process. In all cases, compatibilization is achieved by the formation of polyketone/polyolefin graft copolymers at the interface of the polymers.Type: GrantFiled: December 13, 1993Date of Patent: November 29, 1994Assignee: Shell Oil CompanyInventor: Donald H. Weinkauf
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Patent number: 5367047Abstract: Polyaspartate, useful for inhibition of incrustations due to materials causing hardness in water and of value in detergent formulations, can be prepared by reacting maleic acid or fumaric acid in a molar ratio of 1:1-2.1 at temperatures greater than 190.degree. C., followed by conversion of the polymer formed in this reaction to a salt of polyaspartic acid by basic hydrolysis.Type: GrantFiled: February 22, 1994Date of Patent: November 22, 1994Assignee: Srchem IncorporatedInventor: Louis L. Wood
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Patent number: 5362850Abstract: A process is disclosed for removing palladium from a contaminated polyketone containing palladium which comprises contacting the contaminated polyketone with an olefin in the substantial absence of carbon monoxide at a temperature above the temperature at which the polyketone was formed and in a solvent in which the contaminated polyketone is insoluble. The process is preferably carried out in the presence of an acid. The temperature at which the process is carried out is preferably at least 20.degree. C. greater than the polymerization temperature.Type: GrantFiled: September 22, 1993Date of Patent: November 8, 1994Assignee: BP Chemicals LimitedInventors: Jeremy B. Cooper, Andrew R. Lucy, Kevin G. Smith
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Patent number: 5362820Abstract: Carboxyl group-terminated polyesteramides comprising the reaction products of at least one diamine and a carboxyl group-terminated polyester selected from(a) a polyester prepared from at least one aliphatic and/or cycloaliphatic dicarboxylic acid and at least one polyol:(b) a polyester which is the reaction product of(i) at least one aliphatic and/or cycloaliphatic dicarboxylic acid and/or isophthalic acid, with(ii) a hydroxyl group-terminated polyester, and(c) a polyester which is the reaction product of(i) at least one aliphatic and/or cycloaliphatic dicarboxylic acid, with(ii) a polyester containing both terminal hydroxyl and terminal carboxyl groups, prepared by esterification of(iii) isophthalic acid with(iv) a hydroxyl group-terminated polyester,processes for preparing the same, and the powdered thermosetting compositions based on these polyesteramides and polyepoxy compounds for the production of powdered varnishes and paints which can be applied with a triboelectric spray gun.Type: GrantFiled: March 4, 1994Date of Patent: November 8, 1994Assignee: U C B S.A.Inventors: Luc Moens, Daniel Maetens, Jean-Marie Loutz
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Patent number: 5352756Abstract: A crosslinked poly(ethylene or propylene)glycol-containing polymer which has a unique spatial structure and can be designed especially for application as a chromatographic resin or as a solid support for the synthesis of peptides, oligonucleotides or oligosaccharides or as a substrate for the immobilization of proteins. The polymer is formed by radical copolymerization of derivatized poly(ethylene or propylene) glycol bis-end substituted with a moiety selected from the group consisting of acryloylalkyl, acryloylaryl, acrylamidoalkyl and acrylamidoaryl with an acrylic amide, nitrile or ester. When it is to be used as a solid support or immobilization substrate, the polymer will incorporate a spacer comprising functional groups for the attachment of peptides, proteins, nucleotides or saccharides such as those selected from the group consisting of amino, alkylamino, hydroxy, carboxyl, mercapto, sulfeno, sulfino, sulfo and derivatives thereof.Type: GrantFiled: June 11, 1993Date of Patent: October 4, 1994Assignee: Carlsberg A/SInventor: Morten P. Meldal
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Patent number: 5332792Abstract: An improved coating composition having one or more polymeric binders dispersed in a liquid medium, wherein the improvement comprises an anti-sag and anti-settling effective amount of oxidized ethylene-carbon monoxide copolymer having an acid number as determined by standardized titration of KOH of between about 4 and about 30 and a Brookfield viscosity at a temperature of 140.degree. C. of between about 50 and about 800 centipoises.Type: GrantFiled: August 19, 1993Date of Patent: July 26, 1994Assignee: AlliedSignal Inc.Inventor: Michael Jablon
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Patent number: 5306786Abstract: Carboxyl group-terminated polyesteramides comprising the reaction products of at least one diamine and a carboxyl group-terminated polyester selected from(a) a polyester prepared from at least one aliphatic and/or cycloaliphatic dicarboxylic acid and at least one polyol;(b) a polyester which is the reaction product of(i) at least one aliphatic and/or cycloaliphatic dicarboxylic acid and/or isophthalic acid, with(ii) a hydroxyl group-terminated polyester, and(c) a polyester which is the reaction product of(i) at least one aliphatic and/or cycloaliphatic dicarboxylic acid, with(ii) a polyester containing both terminal hydroxyl and terminal carboxyl groups, prepared by esterification of(iii) isophthalic acid with(iv) a hydroxyl group-terminated polyester,processes for preparing the same, and the powdered thermosetting compositions based on these polyesteramides and polyepoxy compounds for the production of powdered varnishes and paints which can be applied with a triboelectric spray gun.Type: GrantFiled: December 16, 1991Date of Patent: April 26, 1994Assignee: U C B S.A.Inventors: Luc Moens, Daniel Maetens, Jean-Marie Loutz
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Patent number: 5300596Abstract: This invention relates to a process of reducing polyketones to polyalcohols using borohydride salts where the reducing agent is suspended in water.Type: GrantFiled: July 8, 1991Date of Patent: April 5, 1994Inventor: Gregory G. Hlatky
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Patent number: 5288783Abstract: Polyaspartate, useful or inhibition of incrustations due to materials causing hardness in water and of value in detergent formulations, can be prepared by reacting maleic acid or fumaric acid in a molar ratio of 1:1-2.1 at temperatures greater than 170.degree. C., followed by conversion of the polymer formed in this reaction to a salt of polyaspartic acid by basic hydrolysis.Type: GrantFiled: January 21, 1993Date of Patent: February 22, 1994Assignee: Srchem IncorporatedInventor: Louis L. Wood
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Patent number: 5288822Abstract: Polyketone polymers can be stabilized and rendered more processable by the inclusion of a liquid crystalline diglycidyl compound, e.g., the diglycidyl ether of a 1,4-bis(p-hydroxybenzoyloxy) cyclohydrocarbon.Type: GrantFiled: January 14, 1992Date of Patent: February 22, 1994Assignee: Akzo nvInventors: Jagadish C. Goswami, Ki-Soo Kim
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Patent number: 5276082Abstract: A surface covering including a blend of a silane-grafted ethylene/vinyl acetate polymer and an ungrafted thermoplastic polymer retains the desirable balance between indentation, tensile strength and elongation of a fully grafted EVA while permitting the reprocessibility of scrap material. Preferably, the silane graft density is one graft per about 100 carbons to one graft per about 5,000 carbons. The preferred EVA has about 18% to about 28% vinyl acetate.Type: GrantFiled: April 22, 1992Date of Patent: January 4, 1994Assignee: Armstrong World Industries, Inc.Inventors: John S. Forry, Susan M. Von Stetten
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Patent number: 5264552Abstract: This invention relates to an organic polymer having, as the main repeating unit, the compound represented by the general formula: ##STR1## (wherein, m and n respectively show the molar fraction of quinonediimine structure unit and phenylenediamine structure unit in the repeating unit, and 0<m<1, 0<n<1, and m+n=1.), and soluble in an organic solvent in an undoped state, and having the intrinsic viscocity [.eta.] of more than 0.4 dl/g measured in N-methyl-2-pyrrolidone at 30.degree. C., and a conducting organic polymer formed by doping a protonic acid to such a polymer.Type: GrantFiled: September 27, 1989Date of Patent: November 23, 1993Assignee: Nitto Denko CorporationInventors: Masao Abe, Akira Ohtani, Hiroyuki Higuchi, Minoru Ezoe, Shinya Akizuki, Keiji Nakamoto, Keiko Mochizuki, Yasuhiro Umemoto, Michio Umeda
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Patent number: 5258462Abstract: A miscible polymer blend composition may be formed by combining a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with a styrene/vinyl phenol copolymer containing at least about 20 mole percent vinyl phenol units.Type: GrantFiled: November 25, 1991Date of Patent: November 2, 1993Assignee: Shell Oil CompanyInventors: Joseph M. Machado, Raymond N. French
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Patent number: 5242998Abstract: Sulphonated polyketones are prepared by reacting a linear alternating copolymer of carbon monoxide and one or more olefins (polyketone) with a sulphonating agent (e.g. chlorosulphoric acid) in a solvent (e.g. dichloromethane) at a temperature in the range -20.degree. to +40.degree. C. A molar excess of sulphonating agent is preferably used. The sulphonated polyketone produced contains one or more types of unit of formula--[COC(R.sup.1).sub.2 C(R.sup.1).sub.2 ]--wherein the R.sup.1 groups are independently H, C.sub.1 to C.sub.10 alkyl or SO.sub.3 H with the proviso that at least one R.sub.1 group is SO.sub.3 H.Type: GrantFiled: May 26, 1992Date of Patent: September 7, 1993Assignee: The British Petroleum Company p.l.c.Inventor: Stephen L. Brown
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Patent number: 5237047Abstract: An improved process for the production of linear alternating polymers of carbon monoxide and at least one ethylenically unsaturated hydrocarbon comprises contacting the carbon monoxide and hydrocarbon under polymerization conditions in the presence of a liquid reaction diluent and a supported catalyst composition formed from a compound of palladium, the anion of a strong non-hydrohalogenic acid and a bidentate ligand chemically bound to support particles having an average particle diameter of at least 500.mu..Type: GrantFiled: March 12, 1992Date of Patent: August 17, 1993Assignee: Shell Oil CompanyInventor: Johannes J. Keijsper
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Patent number: 5227465Abstract: A process for preparing low molecular weight polyketone polymers is described, wherein carbon monoxide is combined with ethene and/or propene and optionally in addition to one or more other .alpha.-olefins, by contacting the monomers in the absence of hydrogen with a catalyst containing a Group VIII metal and a tetra(sec-alkyl)bisphosphine ligand.Type: GrantFiled: June 30, 1992Date of Patent: July 13, 1993Assignee: Shell Oil CompanyInventor: Eit Drent
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Patent number: 5227437Abstract: Improved compositions comprise isomorphic polymer blends of at least two linear alternating polymers of carbon monoxide and one or more ethylenically unsaturated hydrocarbons. A preferred composition is the combination of a linear alternating polyketone copolymer of carbon monoxide and ethylene with a linear alternating polyketone terpolymer of carbon monoxide, ethylene, and a second ethylenically unsaturated hydrocarbon of at least 3 carbon atoms, particularly propylene.Type: GrantFiled: October 15, 1991Date of Patent: July 13, 1993Assignee: Shell Oil CompanyInventor: Eric R. George
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Patent number: 5219954Abstract: A miscible polymer blend comprising polyketone and phenolic-based novolac polymers is provided. These blends have as a primary advantage a Tg which can be manipulated so as to produce desirable properties. A process for producing these blends and articles of manufacture produced therefrom are also disclosed.Type: GrantFiled: August 30, 1991Date of Patent: June 15, 1993Assignee: Shell Oil CompanyInventor: Joseph M. Machado
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Patent number: 5215828Abstract: Curable binders obtained by simultaneous reaction ofA) urethanes or ureas,B) acrylic or methacrylic compounds containing hydroxyl groups,C) paraformaldehyde andD) if appropriate, polyols,wherein, in the case where no polyol D) is also reacted, the reaction is carried out in the presence of an acid ion exchanger, and in the case where a polyol D) is also reacted, the reaction is carried out in the presence of an acid ion exchanger or a strong acid.These binders are suitable as coating compositions which can be cured by electron beams or by UV light.Type: GrantFiled: August 19, 1992Date of Patent: June 1, 1993Assignee: Hoechst AGInventors: Gerhard Brindoepke, Inge Kurth, Michael Schwab, Gerd Walz
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Patent number: 5210137Abstract: Improved compositions comprise polymer blends of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with polyvinyl phenol and polyacetal.Type: GrantFiled: November 19, 1990Date of Patent: May 11, 1993Assignee: Shell Oil CompanyInventor: Joseph M. Machado
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Patent number: 5204418Abstract: A light-weight polyester film which comprises (A) from 50 to 95% by weight of a crystalline polyester resin and (B) from 5 to 50% by weight of a maleimide copolymer, said maleimide copolymer being dispersed in the film in the form of particles having diameters of from 0.1 to 20 .mu.m and fine voids being present in the film, and which has an apparent specific gravity of from 0.3 to 1.1, wherein said maleimide copolymer comprises from 30 to 50 mol % of a maleimide monomer group, from 30 to 70 mol % of an aromatic vinyl monomer group, from 0 to 40 mol % of an unsaturated dicarboxylic anhydride monomer group and from 0 to 40 mol % of other copolymerizable monomer group, and said maleimide copolymer has a glass transition temperature higher by at least 10.degree. C. than the crystalline polyester resin.Type: GrantFiled: January 30, 1992Date of Patent: April 20, 1993Assignee: Unitika Ltd.Inventors: Kenji Yasue, Eiji Y. Yamamoto, Katsuyuki Toma, Minoru Kishida, Yoshiaki Kozuka
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Patent number: 5204412Abstract: A photodegradable polymer composition comprising 50 to 99 weight percent based on the total weight of photodegradable polymer composition of a thermoplastic addition polymer and 1 to 50 weight percent based on the total weight of the photodegradable polymer composition of a photodegrading agent, said photodegrading agent being a polyketone which is a linear copolymer consisting of units of --CO(C.sub.2 H.sub.4)-- and units --CO(B')-- where B' is derived from olefinically unsaturated hydrocarbon selected from the group consisting of CHR.sub.4 .dbd.CHR.sub.5 (I) and CH.sub.2 .dbd.C(R.sub.6)(CHR.sub.7 R.sub.8) (II), wherein R.sub.4 is a hydrocarbyl group, R.sub.5 is hydrogen or a hydrocarbyl group, R.sub.6 is a hydrocarbyl group, and R.sub.7 and R.sub.8 are individually hydrogen or hydrocarbyl groups.Type: GrantFiled: October 31, 1990Date of Patent: April 20, 1993Assignee: BP Chemicals LimitedInventors: Neil S. Davidson, Geoffrey Harrison, Kenneth Wilkinson
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Patent number: 5200501Abstract: The present invention discloses an easily-slidable polyarylene thioether film comprising a film containing, as the basic resin, a polyarylene thioether mainly composed of repeating unit of ##STR1## and not containing substantial amount of powder lubricant, having at least one side surface of the arithmetic average surface roughness within the range of 2 to 200 nm and a high strength, and a process to produce the same.Type: GrantFiled: February 26, 1991Date of Patent: April 6, 1993Assignee: Kureha Kagaku Kogyo Kabushiki KaishaInventors: Yukichika Kawakami, Zenya Shiiki
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Patent number: 5183865Abstract: This invention is directed to a shelf-stable, powder composition adapted to form a high T.sub.g, thermally stable, impact resistant thermoset material. The composition consists essentially of a mixture of an allyl-functional prepolymer component and polymaleimide component. The allyl-functional prepolymer component is the reaction product of an aromatic allyl-functional compound and a modifying compound wherein the compounds contain mutually reactive funtionalities such as an aromatic allyl-functional epoxide compound and a modifying amine compound.Type: GrantFiled: January 16, 1991Date of Patent: February 2, 1993Assignee: Ford Motor CompanyInventor: Mohinder S. Chattha
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Patent number: 5182394Abstract: The liquid crystalline compounds of the structure ##STR1## where Ar represents phenylene (e.g., bonded in their para positions) and B represents a cyclohydrocarbylene bridging group such as cyclohexylene or phenylene, are disclosed.Type: GrantFiled: January 14, 1992Date of Patent: January 26, 1993Assignee: Akzo N.V.Inventor: Ki-Soo Kim
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Patent number: H1169Abstract: Polymer compositions comprising an intimate mixture of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and a poly(vinylidene fluoride) exhibit improved barrier properties. The poly(vinylidene fluoride) is also useful in a method of reducing the water vapor transmission rate of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon.Type: GrantFiled: August 22, 1991Date of Patent: April 6, 1993Assignee: Shell Oil CompanyInventor: Joseph M. Machado
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Patent number: H1187Abstract: Polymeric blends comprising a major proportion of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and a minor proportion of a thermotropic liquid crystal polymer exhibit improved mechanical properties of strength and rigidity as well as improved barrier properties.Type: GrantFiled: August 28, 1989Date of Patent: May 4, 1993Assignee: Shell Oil CompanyInventors: Eric R. George, William H. Korcz
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Patent number: H1302Abstract: Improved compositions comprise polymer blends of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with an ethylene/propylene/non-conjugated diene terpolymer, and, optionally, an acidic polymer containing moieties of an .alpha.-olefin and an .alpha.,.beta.-ethylenically unsaturated carboxylic acid. The blends demonstrate improved barrier properties.Type: GrantFiled: October 15, 1991Date of Patent: April 5, 1994Assignee: Shell Oil CompanyInventor: Eric R. George
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Patent number: H1346Abstract: The invention discloses a novel method of functionalizing polyketone polymers by reacting with primary aromatic amines to form substituted pyrroles. The advantages of this method include but are not limited to permissible addition of small molecules to produce a wide variety of products, grafting of the polymer side chains to synthesize branched or comb polymers, and coupling reactions for controlling molecular weights.Type: GrantFiled: June 5, 1992Date of Patent: August 2, 1994Assignee: Shell Oil CompanyInventor: Robert Q. Kluttz
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Patent number: H1375Abstract: Improved compositions with a good balance of properties comprise polymer blends of a linear alternating polyketone polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with a cracked polyolefin polymer. The cracked polyolefin polymer is preferably a cracked polypropylene or polybutylene polymer.Type: GrantFiled: October 15, 1991Date of Patent: November 1, 1994Assignee: Shell Oil CompanyInventor: Eric R. George
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Patent number: H1403Abstract: Improved compositions comprise polymer blends of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and a polyblend with a rubber modifier incorporated therein, and optionally, an acidic polymer containing moieties of an .alpha.-olefin and an .alpha.,.beta.-ethylenically unsaturated carboxylic acid. The blends demonstrate improved processability and impact strength.Type: GrantFiled: May 21, 1990Date of Patent: January 3, 1995Assignee: Shell Oil CompanyInventor: Eric R. George
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Patent number: H1404Abstract: Improved compositions comprise polymer blends of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon with an amorphous olefinic copolymer which is optionally maleated. The blends demonstrate improved barrier properties.Type: GrantFiled: October 15, 1991Date of Patent: January 3, 1995Assignee: Shell Oil CompanyInventor: Eric R. George