From Dicarboxylic Acid Or Derivative And At Least One Polyol; Or From A Diester Of A Polycarboxylic Acid As Sole Reactant Patents (Class 524/601)
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Patent number: 5350830Abstract: Provided are polyester resins containing hydroxy functionalized isophthalate ester moieties useful in coating compositions. The invention provides both solvent-borne as well as water-borne coating compositions comprised of the resins and a crosslinker such as a melamine-type crosslinker. Polyester resins of the present invention having a T.sub.g of greater than about 50.degree. C. are useful in thermosetting powder coating compositions. The coatings thus provided possess excellent acid resistance, hardness, impact resistance, and stain resistance.Type: GrantFiled: November 27, 1992Date of Patent: September 27, 1994Assignee: Eastman Chemical CompanyInventors: Thauming Kuo, Charles H. Foster
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Patent number: 5344859Abstract: This invention includes new water-dilutable binder mixtures based on alkyd resins modified by poly{ethylene glycol} and poly{N-acyl alkylene imines}, a process for preparing such binder mixtures, and the use of such binders in oxidatively drying paints and varnishes.Type: GrantFiled: August 7, 1992Date of Patent: September 6, 1994Assignee: Henkel Kommanditgesellschaft auf AktienInventors: Ulrich Eicken, Brigitte Hase, Manfred Gorzinski, Wolfgang Gress, Norbert Stork
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Patent number: 5336714Abstract: Provided are water-dissipatable, sulfo-containing polyesters and polyester-amides having copolymerized therein thermally stable near infrared flourophoric compounds. The polymers are useful in coating or ink compositions, which are in turn useful for marking articles for identification/authentication purposes. Also provided is a method for invisibly marking such articles and a method for detecting and sorting articles by utilizing the near infrared flourophoric ink or coating compositions.Type: GrantFiled: December 30, 1993Date of Patent: August 9, 1994Assignee: Eastman Chemical CompanyInventors: James J. Krutak, Michael R. Cushman, William W. Parham, Clarence A. Coates, Max A. Weaver, Gabor Patonay
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Patent number: 5334652Abstract: The present invention is directed towards liquid coating formulations containing a mixture of a curable polyester or diester resin, an amino crosslinking agent and a pigment wherein the pigment is dispersed in the coating solution at a weight loading level such that the pigment to binder ratio falls within the range of from 1.25 to 1 up to about 5.0 to 1. The polyester or diester resins employed in the coating formulations are such that when formulated with an appropriate crosslinking agent, acid catalyst and pigment within the ranges stated above and properly applied to a substrate and cured, produce coatings having a minimum Knoop hardness of at least about 4 and a flexibility (T-bend test) of less than 6, generally less than about 5, and a MEK rub value of greater than 5, more preferably at least about 15 and most preferably greater than 50.Cured coating compositions prepared in accordance with this invention exhibit all of the attributes considered essential for coil coatings, i.e.Type: GrantFiled: June 18, 1991Date of Patent: August 2, 1994Assignee: Exxon Chemical Patents, Inc.Inventors: William E. Wellman, Albert I. Yezrielev, Ralph M. Kowalik
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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: 5332777Abstract: Unreinforced polyamide molding materials containA) from 60 to 100% by weight of a mixture consisting ofA.sub.1) from 97.5 to 99.85% by weight of one or more polyamides,A.sub.2) from 0.05 to 0.5% by weight of aluminum hydroxide andA.sub.3) from 0.1 to 2% by weight of one or more esters or amides of saturated or unsaturated aliphatic carboxylic acids of 10 to 40 carbon atoms with aliphatic saturated alcohols or amines of 2 to 40 carbon atomsand, based on the total weight of the polyamide molding material,B) from 0 to 40% by weight of a toughened polymer andC) from 0 to 10% by weight of conventional additives in effective amounts.Type: GrantFiled: September 25, 1992Date of Patent: July 26, 1994Assignee: BASF AktiengesellschaftInventors: Walter Goetz, Walter Betz
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Patent number: 5326799Abstract: A polymeric composition having aromatic polycarbonate or aromatic polycarbonate like properties which process at significantly lower temperatures than aromatic polycarbonate in admixture with an additive which is incompatible with an aromatic polycarbonate at standard processing temperature.Type: GrantFiled: March 31, 1993Date of Patent: July 5, 1994Assignee: General Electric CompanyInventors: Luca P. Fontana, Kenneth F. Miller, Edgar E. Bostick
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Patent number: 5322885Abstract: Disclosed is pigmented dispersion containing a non-amine wetting and dispersing agent and a water-dissipatable or dispersible polyester containing sulfonate groups that has improved stability having a substantial number of capped carboxyl groups attached to the sulfomonomer moieties. This polyester can be prepared by capping the carboxyl end groups of the polyester with oxirane compounds or by polymerizing the reactants wherein one reactant is a diol that is a diester adduct of a glycol and a dicarboxylic acid sulfomonomer.Type: GrantFiled: November 2, 1992Date of Patent: June 21, 1994Assignee: Eastman Chemical CompanyInventor: Thauming Kuo
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Patent number: 5322884Abstract: The present invention is directed towards liquid coating formulations containing a mixture of a curable polyester or diester resin, an amino crosslinking agent and a pigment wherein the pigment is dispersed in the coating solution at a weight loading .level such that the pigment to binder ratio falls within the range of from greater than 2.0 to 1 up to about 5.0 to 1. The polyester or diester resins employed in the coating formulations are such that when formulated with an appropriate crosslinking agent, acid catalyst and pigment within the ranges stated above and properly applied to a substrate and cured, produce coatings having a minimum Knoop hardness of at least about 4 and a flexibility (T-bend test) of less than 6, generally less than about 5, and a MEK rub value of greater than 5, more preferably at least about 15 and most preferably greater than 50.Type: GrantFiled: January 6, 1993Date of Patent: June 21, 1994Assignee: Exxon Chemical Patents Inc.Inventors: William E. Wellman, Albert I. Yezrielev, Ralph M. Kowalik
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Patent number: 5322883Abstract: Disclosed is a thermoplastic polyester with reduced flammability obtained by:(a) condensating an aromatic dicarboxylic acid and an alkylene glycol in a mole ratio of from 1:1.1-1.5 at a temperature of from 180.degree. to 240.degree. C. in the presence of a catalyst;(b) adding a polyalkylene glycol phosphate ester;(c) polycondensating at a temperature of from 265.degree. to 280.degree. C. under a pressure decreasing from 760 torr to less than 2 torr until an intrinsic viscosity of about 0.5 to about 0.7 is reached.Type: GrantFiled: September 24, 1992Date of Patent: June 21, 1994Assignee: BASF CorporationInventors: Atish Adyha, Thomas F. Corbin, Robert L. Lilly
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Patent number: 5312891Abstract: Provided are enhanced phenolic-functional polyesters which are useful in enamel compositions. The enamel compositions provide coatings which exhibit superior hardness, impact resistance, acid resistance, and weatherability heretofore unachievable with other polyester-based coatings.Type: GrantFiled: August 16, 1993Date of Patent: May 17, 1994Assignee: Eastman Kodak CompanyInventor: Thauming Kuo
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Patent number: 5312862Abstract: Methods are presented by which compressed fluids such as carbon dioxide, nitrous oxide, and ethane can be admixed with solvent-borne compositions that contain a high concentration of solid polymer, such as coating compositions, whereby precipitation of the solid polymer can be avoided, thereby preventing plugging of the mixing apparatus.Type: GrantFiled: December 18, 1992Date of Patent: May 17, 1994Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Kenneth A. Nielsen, Jeffrey J. Lear, John N. Argyropoulos, Alex Chia-Huei Kuo
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Patent number: 5312866Abstract: A molding resin composition comprising 99.9 to 50% by weight of polyimide represented by the formula: ##STR1## and 0.1 to 50% by weight of polyether ketone resin and/or polyester resin, and more particularly comprising the polyester resin capable of forming an anisotropical molten phase at a temperature of 420.degree. C. or less, and a polyimide-based molding resin composition which comprises the said resins and other additives such as phenolic resin, fluororesin, graphite, carbon fibers, aromatic polyamide fibers, potassium titanate fibers and a crystallization accelerator, and is excellent in thermal resistance, chemical resistance, mechanical strength and processability.Type: GrantFiled: May 14, 1992Date of Patent: May 17, 1994Assignee: Mitsui Toatsu Chemicals, IncorporatedInventors: Toshihiko Tsutsumi, Toshiyuki Nakakura, Shuichi Morikawa, Katsunori Shimamura, Toshiaki Takahashi, Atsushi Morita, Nobuhito Koga, Akihiro Yamaguchi, Masahiro Ohta, Yoshihisa Gotoh, Masaki Amano, Hiroyasu Oochi, Kayako Ito
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Patent number: 5306767Abstract: The object of this invention is to provide polycarbonate resin compositions.(A) 30-80 parts by weight of a copolyester carbonate containing constituent units having the formula: ##STR1## and the formula: ##STR2## (where R and R' independently represent halogen atoms, monovalent hydrocarbon groups or hydrocarbonoxy groups; W is a divalent hydrocarbon group, --S--, --S--S--, --O--, --S(.dbd.O)--, --(O.dbd.)S(.dbd.O)-- or --C(.dbd.O); n and n' independently represent integers from 0 to 4; X is a divalent aliphatic group having 6-18 carbons; and b is 0 or 1) or this and a polycarbonate resin, and(B) 70-20 parts by weight of aromatic polyester resin, and which contains also:(C) 60-1 parts by weight of inorganic filler per 40-99 parts of (A)+(B).Type: GrantFiled: September 10, 1992Date of Patent: April 26, 1994Assignee: GE Plastics Japan, Ltd.Inventors: Tomohide Fujiguchi, Hideyuki Itoi, Akihiro Saito
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Patent number: 5306567Abstract: Provided are polyester resins containing hydroxy functionalized isophthalate ester moieties useful in coating compositions. The invention provides both solvent-borne as well as water-borne coating compositions comprised of the resins and a crosslinker such as a melamine-type crosslinker. Polyester resins of the present invention having a T.sub.8 of greater than about 50.degree. C. are useful in thermosetting powder coating compositions. The coatings thus provided possess excellent acid resistance, hardness, impact resistance, and stain resistance.Type: GrantFiled: March 22, 1993Date of Patent: April 26, 1994Assignee: Eastman Kodak CompanyInventors: Thauming Kuo, Charles H. Foster, Yeong-Ho Chang
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Patent number: 5298546Abstract: Thermoplastic molding compounds of polyalkylene terephthalate, special barium sulfate, particulate graft polymers and, optionally, reinforcing materials are distinguished from known, elastomer-modified polyalkylene terephthalates, particularly polyethylene terephthalates, by improved heat resistance and toughness.Type: GrantFiled: September 10, 1990Date of Patent: March 29, 1994Assignee: Bayer AktiengesellschaftInventors: Jurgen Kirsch, Karl-Erwin Piejko, Christian Lindner, Karsten-Josef Idel, Hans-Georg Gehrke
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Patent number: 5296542Abstract: This invention pertains to novel copolyesters consisting essentially of units (I), (II), (III), and (IV). ##STR1## and blends of these polymers and articles made from both. Units (I), (II), (III), and (IV) are present in specified proportions as defined in the "Description of the Invention."The instant copolyesters display orientation in the molten state, good fiber ratings and high strength; they have melting points in the range of from about 340.degree. to about 400.degree. C. and are melt-processible. Advantageously, these compositions filled with about 30 weight percent of glass fibers display heat distortion temperatures of over 240.degree. C. up to about 280.degree. C. and higher, when measured under a load of 264 psi. When blended, certain properties are improved, particularly they are easier to melt fabricate, have a decreased tendency to blister and increased strength.Type: GrantFiled: November 8, 1991Date of Patent: March 22, 1994Assignee: Amoco CorporationInventors: Richard Layton, James W. Cleary, Paul J. Huspeni, Paul D. Frayer, Markus Matzner
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Patent number: 5290631Abstract: Hydrosoluble/hydrodispersible polyester copolycondensates, well suited for the sizing of textile threads, comprise terephthalate, isophthalate, sulfoaryl dicarboxylate, ethylene glycol and polyoxyethylene glycol recurring structural units, have a glass transition temperature ranging from 15.degree. to 40.degree. C. at 85% relative humidity and the turbidity of aqueous formulations thereof are storage-stable over time; such polyester copolycondensates are conveniently prepared by (i) transesterifying admixture of dimethyl terephthalate, dimethyl sulfoaryl dicarboxylate and ethylene glycol, (ii) introducing isophthalic acid and an additional amount of ethylene glycol into the medium of transesterification and therein directly esterifying same, and (iii) polycondensing the resulting product of transesterification/direct esterification.Type: GrantFiled: October 29, 1992Date of Patent: March 1, 1994Assignee: Rhone-Poulenc ChimieInventors: Etienne Fleury, Yvette Girardeau
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Patent number: 5281656Abstract: The present invention relates to coating compositions comprising a vinyl- or higher alkenyl-enblocked polydiorganosiloxane, a silicon-bonded hydrogen endblocked polydiorganosiloxane, a platinum catalyst, and an inhibitor which increase the release force of pressure sensitive adhesives (PSA's) adhered thereto. The compositions of the present invention can additionally comprise an organohydrogenpolysiloxane crosslinker. The present invention further relates to a method of release control by crosslink density (or bulk modulus) control.Type: GrantFiled: December 30, 1992Date of Patent: January 25, 1994Assignee: Dow Corning CorporationInventors: LeRoy E. Thayer, John D. Jones, Eugene D. Groenhof
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Patent number: 5278279Abstract: A process for producing a (co)polycarbonate or a (co)polyestercarbonate having a high molecular weight and excellent hue, heat stability and mechanical properties by reacting a dihydroxyl compound with a diester of carbonic acid and/or a diester of dicarbonic acid in the presence of a transesterification catalyst, wherein at least part of the reaction process is conducted in the presence of a specified organic phosphorus compound, or, in the presence of a specified organic phosphorus compound and a hindered phenol compound. A (co)polycarbonate or (co)polyester-carbonate composition having excellent hue, heat stability and mechanical properties, comprising a (co)polycarbonate and/or a (co)polyestercarbonate and, a specified organic phosphorus compound, or, a specified organic phosphorus compound and a hindered phenol compound.Type: GrantFiled: August 31, 1992Date of Patent: January 11, 1994Assignee: Daicel Chemical Industries, Ltd.Inventors: Tatsuya Kanno, Tsutomu Yamato, Yasuhiro Oshino, Yutaka Fukuda, Yoshihiro Iguchi, Takaaki Kuwana, Toshihiro Matsumoto
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Patent number: 5278254Abstract: A liquid crystalline polyester resin composition containing (A) a polyphenylene ether which is modified with at least one amine selected from the group consisting of primary amines and secondary amines; (B) a liquid crystalline polyester; and optionally (C) at least one oil selected from the group consisting of white oil and phenyl ether type oils, which composition has improved moldability and provides a molded article having improved weld strength while maintaining good heat resistance and mechanical properties of the liquid crystalline polyester.Type: GrantFiled: November 10, 1992Date of Patent: January 11, 1994Assignee: Sumitomo Chemical Company, LimitedInventors: Motonobu Furuta, Takanari Yamaguchi, Ichiki Murase
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Patent number: 5270402Abstract: This invention relates to hyperbranched, functional polyesters.Type: GrantFiled: September 14, 1992Date of Patent: December 14, 1993Assignee: E. I. Du Pont de Nemours and CompanyInventor: Garret D. Figuly
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Patent number: 5268420Abstract: An aqueoous polyester comprising a polybasic acid component containing not less than 5 mol%, based on the total amount of the acid component, of phenylindanedicarboxylic acid. An easily bondable polyester film wherein a thin layer of the aqueous polyester is coated on at least one side of the polyester film.Type: GrantFiled: November 10, 1992Date of Patent: December 7, 1993Assignee: Teijin LimitedInventors: Akihiro Nishimura, Sadayoshi Miura, Tetsuo Ichihashi
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Patent number: 5266322Abstract: This invention relates to a cosmetic film forming composition which is especially useful as a nail coating composition which upon drying forms a film which will adhere to keratin of a nail. More particularly, the present invention relates to cosmetic film forming compositions which consist of aqueous emulsion (A) which comprises a sulfopolyester and a copolymer of vinyl acetate and dialkyl maleate, and aqueous emulsion (B) which comprises an aqueous emulsion of acetoacetoxyethyl alkylacrylate or the reaction product of acetoacetoxyethyl alkylacrylate with a vinylfunctional monomer. These cosmetic film forming compositions are fast drying, have good adhesive properties and are environmentally compatible.Type: GrantFiled: May 29, 1992Date of Patent: November 30, 1993Assignee: Eastman Kodak CompanyInventors: Garry L. Myers, John J. Hiller, Waylon L. Jenkins, Robin L. Minga, W. D. Nottingham, Suzanne W. Dobbs, Stacey J. Marsh, Keith M. Moody
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Patent number: 5260052Abstract: The present invention concerns a process for preparing a treated blend which contains pigment material dispersed in a continuous phase of water and a polyester material. The invention also concerns compositions prepared from such process. The polyester material of the treated blend is linear, contains a sulfomonomer, and has an average particle size of less than 1 .mu.m.Type: GrantFiled: July 20, 1992Date of Patent: November 9, 1993Assignee: Eastman Kodak CompanyInventors: Kimberly T. Peters, Stephen H. W. Wu
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Patent number: 5256759Abstract: Provided are certain curable polyesters which are useful in enamel compositions. The enamel compostions provide coatings which exhibit superior hardness, impact resistance, acid resistance, and weatherability heretofore unachievable with other polyester-based coatings.Type: GrantFiled: April 1, 1993Date of Patent: October 26, 1993Assignee: Eastman Kodak CompanyInventor: Thauming Kuo
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Patent number: 5256758Abstract: Provided are novel phenolic functional polyesters which are prepared by a direct polycondensation process. The polyesters formed therefrom are useful in enamel compositions and upon curing provide coatings which exhibit superior hardness, impact resistance and acid resistance heretofore unachievable with other polyester-based coatings.Type: GrantFiled: May 15, 1992Date of Patent: October 26, 1993Assignee: Eastman Kodak CompanyInventor: Thauming Kuo
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Patent number: 5256756Abstract: Provided are enhanced phenolic-functional polyesters which are useful in enamel compositions. The enamel compostions provide coatings which exhibit superior hardness, impact resistance, acid resistance, and weatherability heretofore unachievable with other polyester-based coatings.Type: GrantFiled: October 1, 1992Date of Patent: October 26, 1993Assignee: Eastman Kodak CompanyInventor: Thauming Kuo
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Patent number: 5256757Abstract: Provided are enhanced phenolic-functional polyesters which are useful in enamel compositions. The enamel compositions provide coatings which exhibit superior hardness, impact resistance, acid resistance, and weatherability heretofore unachievable with other polyester-based coatings.Type: GrantFiled: October 1, 1992Date of Patent: October 26, 1993Assignee: Eastman Kodak CompanyInventor: Thauming Kuo
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Patent number: 5238987Abstract: Versatile coalescing agents for water-borne coating applications are disclosed. The coalescents comprise propoxylated propylene glycol tert-butyl ether and one or more organic solvents, particularly glycol ethers. These coalescents efficiently reduce minimum film-forming temperature, and also have a dramatically reduced tendency to swell resins compared with prior art coalescents.Type: GrantFiled: October 13, 1992Date of Patent: August 24, 1993Assignee: ARCO Chemical Technology, L.P.Inventors: James R. Bodwell, Stephen H. Harris, David C. Dehm
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Patent number: 5237038Abstract: Disclosed are melt-processable wholly aromatic polyesters prepared from terephthalic acid, 2,6-naphthalenedicarboxylic acid, hydroquinone and 4,4'-biphenol.Type: GrantFiled: November 16, 1990Date of Patent: August 17, 1993Assignee: Eastman Kodak CompanyInventors: John C. Morris, Winston J. Jackson, Jr.
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Patent number: 5231161Abstract: Macrocyclic poly(alkylene dicarboxylate) oligomers are prepared in high yield by the reaction of a dicarboxylic acid chloride such as terephthaloyl chloride with at least one bis(hydroxyalkyl) ester such as bis(4-hydroxybutyl) terephthalate, in the presence of a highly unhindered amine or a mixture thereof with at least one other tertiary amine such as triethylamine, in a substantially inert organic solvent such as methylene, chlorobenzene or a mixture thereof. The concentration of the reagents in the reaction mixture are at least 0.08M.Type: GrantFiled: October 22, 1992Date of Patent: July 27, 1993Assignee: General Electric CompanyInventors: Daniel J. Brunelle, John B. McDermott
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Patent number: 5221729Abstract: A polyester exhibiting melt anisotropy and improved thermal stability is provided which consists essentially of structural units represented by the formulas (i) to (iii), wherein: ##STR1## wherein Ar.sub.1 is 1,4-phenylene and/or 2,6-naphthalene, Ar.sub.2 is 2,6-naphthalene and/or 2,7-naphthalene, and X.sub.3 is an aliphatic hydrocarbon containing 2 to 8 carbon atoms.Type: GrantFiled: September 20, 1991Date of Patent: June 22, 1993Assignee: Polyplastics Co., Ltd.Inventors: Keiichi Kanaka, Noriyuki Hayashi, Toshihiro Kobashi, Yukihiko Kageyama, Kenji Hijikata
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Patent number: 5221730Abstract: Disclosed are melt-processable wholly aromatic polyesters prepared from terephthalic acid, 2,6-naphthalenedicarboxylic acid, and hydroquinone.Type: GrantFiled: November 16, 1990Date of Patent: June 22, 1993Assignee: Eastman Kodak CompanyInventors: John C. Morris, Winston J. Jackson, Jr., James R. Bradley
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Patent number: 5218042Abstract: Disclosed is a water-dissipatable or dispersible polyester containing sulfonate groups that has improved stability having a substantial number of capped carboxyl groups attached to the sulfomonomer moieties. This polyester can be prepared by capping the carboxyl end groups of the polyester with oxirane compounds or by polymerizing the reactants wherein one reactant is a diol that is a diester adduct of a glycol and a dicarboxylic acid sulfomonomer.Type: GrantFiled: September 25, 1991Date of Patent: June 8, 1993Inventors: Thauming Kuo, Keith M. Moody
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Patent number: 5216109Abstract: A crystalline wholly aromatic polyester:(1) which consists essentially ofa polymer unit A of the formula ##STR1## a polymer unit B of the formula ##STR2## a polymer unit C of the formula ##STR3## these polymer units being bonded together to form an ester having a linkage (--COO--),(2) which has a melting point lower than that of the known crystalline wholly aromatic polyester having same composition; a process for the production of a crystalline wholly aromatic polyester, using a phenol or phenol derivative as a reaction medium; a reinforced resin composition comprising the above wholly aromatic polyester; and a shaped or molded article formed from the above resin composition.Type: GrantFiled: August 12, 1991Date of Patent: June 1, 1993Assignee: Teijin LimitedInventors: Hiroo Inata, Shunichi Matsumura, Akio Nakaishi
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Patent number: 5216091Abstract: This invention pertains to novel copolyesters consisting essentially of units (I), (II), (III), and (IV). ##STR1## and blends of these polymers and articles made from both. Units (I), (II), (III), and (IV) are present in specified proportions as defined in the "Description of the Invention."The instant copolyesters display orientation in the molten state, good fiber ratings and high strength. Advantageously, the polymers of the present invention display a significant improvement in viscosity and moldability of the neat polymer. The polymers have excellent mechanical and surface properties including blister resistance, strength, toughness, and ability to vapor phase solder, and form strong fibers while still maintaining a high heat distortion temperature. They have melting points in the range of from about 250.degree. to about 360.degree. C. and are melt-processible. Advantageously, these compositions filled with about 30 weight percent of glass fibers display heat distortion temperatures of up to 240.degree.Type: GrantFiled: August 13, 1992Date of Patent: June 1, 1993Assignee: Amoco CorporationInventors: Brian A. Stern, Markus Matzner, Richard Layton, Paul J. Huspeni, Paul D. Frayer, James W. Cleary
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Patent number: 5214102Abstract: A method of producing fluorinated elastomeric articles having reduced coefficients of friction, improved wear life and improved resistance to fluid permeability. A thermoplastic elastomeric article is exposed to gaseous fluorine in a reactor vessel under reaction conditions sufficient to create a fluorinated material on the external portions of the elastomeric article, which fluorinated material extends inwardly into the matrix of the article, without promoting degradation of the tensile properties of the article.Type: GrantFiled: December 5, 1991Date of Patent: May 25, 1993Assignee: William S. ShambanInventors: Ronald E. Zielinski, Mark J. Seabury
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Patent number: 5204417Abstract: This invention pertains to novel copolyesters consisting essentially of units (I), (II), (III), and (IV). ##STR1##and blends of these polymers and articles made from both. Units (I), (II), (III), and (IV) are present in specified proportions as defined in the "Description of the Invention."The instant copolyesters display orientation in the molten state, good fiber ratings and high strength. Advantageously, the polymers of the present invention display a significant improvement in viscosity and moldability of the neat polymer. The polymers have excellent mechanical and surface properties including blister resistance, strength, toughness, and ability to vapor phase solder, and form strong fibers while still maintaining a high heat distortion temperature. They have melting points in the range of from about 250.degree. to about 360.degree. C. and are melt-processible. Advantageously, these compositions filled with about 30 weight percent of glass fibers display heat distortion temperatures of up to 240.degree.Type: GrantFiled: August 13, 1992Date of Patent: April 20, 1993Assignee: Amoco CorporationInventors: Brian A. Stern, Markus Matzner, Richard Layton, Paul J. Huspeni, Paul D. Frayer, James W. Cleary
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Patent number: 5198528Abstract: An alkyd resin comprising a polymerized product of from 25 to 40 percent by weight of trimethylolpropane diallyl ether, from 15 to 30 percent by weight of aromatic acid, from 20 to 40 percent by weight drying compound and from 7 to 16 percent by weight polyol.The invention also includes solutions and dispersions of the resin of the invention and coatings made from the resin or solutions or dispersions thereof.The resin is characterized by being compatible with solvents such as mineral spirits and having good drying properties and being able to form strong flexible films which are resistant to yellowing, and which have low water sensitivity.Prior to the present invention, a non-yellowing alkyd resin having such a combination of properties was unavailable.Type: GrantFiled: January 21, 1992Date of Patent: March 30, 1993Assignee: Reichold Chemicals, Inc.Inventors: Arthur C. Smith, Jeffrey H. Danneman
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Patent number: 5191013Abstract: Thermoplastic polyester composites are prepared from compositions comprising a filler, at least one macrocyclic poly(alkylene dicarboxylate) oligomer and a polymerization catalyst therefor. The use of polyester oligomer mixtures is preferred, and they may be present in liquid or solid form. The polyester composites prepared therefrom are characterized by excellent properties including solvent resistance.Type: GrantFiled: May 16, 1991Date of Patent: March 2, 1993Assignee: General Electric CompanyInventors: Todd D. Cook, Andrew J. Salem, Thomas L. Evans, Eric J. Pearce, Kevin P. McAlea
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Patent number: 5187216Abstract: Disclosed is a process for the preparation of crystalline copolyesters from substantially amorphous, diethylene glycol-containing copolyesters wherein the a zeolite is incorporated in the substantially amorphous copolyester to promote crystallization upon heating a particulate form of the resulting copolyester at crystallizing effective temperatures.Type: GrantFiled: April 18, 1991Date of Patent: February 16, 1993Assignee: Eastman Kodak CompanyInventors: Michael L. Cassell, Waylon L. Jenkins, Gerry F. Rhodes
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Patent number: 5187212Abstract: This invention relates to flame retardant thermoplastic molding compositions, comprising:(a) a polyester resin derived from a cyclohexanedimethanol and a carbocyclic dicarboxylic acid or ester;(b) a tetra brominated bisphenol-A epoxy oligomer endcapped with epichlorohydrin flame retardant; and(c) a reinforcing agent.The compositions of the present invention have excellent thermal stability and other mechanical properties.Type: GrantFiled: July 8, 1991Date of Patent: February 16, 1993Assignee: General Electric CompanyInventor: Keith N. Gray
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Patent number: 5183862Abstract: This invention relates to hyperbranched, functional polyesters.Type: GrantFiled: April 9, 1992Date of Patent: February 2, 1993Assignee: E. I. Du Pont de Nemours and CompanyInventor: Garret D. Figuly
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Patent number: 5179192Abstract: An improved polyester exhibiting melt anisotropy and excellent thermal stability is provided which consists essentially of the structural units (I) to (III) wherein: ##STR1## wherein Ar.sub.1 is 1,4-phenylene, Ar.sub.2 is a mixed system of 2,6-naphthalene and 2,7-naphthalene, and Ar.sub.3 is an aromatic ring containing 6 or more carbon atoms, the unit (I) accounting for 15 to 90 mole percent and the unit (II) for 20 to 70 mole percent of the total amount of the structural units, and the percentage of 2,7-naphthalene to the total amount of Ar.sub.2 in the unit (II) being between 10 and 90 mole percent.Type: GrantFiled: September 20, 1991Date of Patent: January 12, 1993Assignee: Polyplastics Co., Ltd.Inventors: Keiichi Kanaka, Noriyuki Hayashi, Toshihiro Kobashi, Yukihiko Kageyama, Kenji Hijikata
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Patent number: 5162399Abstract: Disclosed is a process for preparing ink millbase by use of a polymer blend of compatible polyesters and acrylic polymers. The polyesters are water-dispersible as a result of sulfonate groups on the polyester backbone. Use of the polymer blend results in an improvement in pigment particle size reduction during grinding.Type: GrantFiled: January 9, 1991Date of Patent: November 10, 1992Assignee: Eastman Kodak CompanyInventors: Mahendra K. Sharma, Hieu D. Phan
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Patent number: 5137965Abstract: Water-borne alkyd resin compositions are disclosed comprising maleinized fatty acid. Substitution of the aromatic triacid component of the composition with the maleinized fatty acid permits a reduction in the amount of organic cosolvent employed to solubilize the resin in the water. Alkyd resin containing paint formulations also are disclosed.Type: GrantFiled: January 15, 1992Date of Patent: August 11, 1992Assignee: Westvaco CorporationInventor: David E. Knox
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Patent number: RE34682Abstract: Cross-linked aqueous dispersions and emulsions and method for producing casts of any desirable shape therefrom the dispersions comprising a water dissipatable polymer in an amount from 18 to 30 percent by weight based on the total weight of the composition: water in an amount from .[.67 to 130.]. .Iadd.30-80 .Iaddend.percent by weight based on the total weight of the composition; a source of multivalent metallic ions in an amount of 0.1 to 5 percent by weight based on the total weight of the composition; and humectant in an amount from 0.1 to 40 percent by weight based on the total weight of the composition and the emulsions comprising a water dissipatable polymer in an amount from 18 to 30 percent by weight based on the total weight of the composition; water in an amount from .[.67.]. .Iadd.30 .Iaddend.to 80 percent by weight based on the total weight of the comosition; emollient oils in an amount from 0.Type: GrantFiled: February 11, 1993Date of Patent: August 2, 1994Assignee: Imaginative Research Associates, Inc.Inventors: Mohan Vishnupad, Jose Ramirez
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Patent number: RE34716Abstract: Cross-linked aqueous dispersions and emulsions and method for producing casts of any desirable shape therefrom the dispersions comprising a water dissipatable polymer in an amount from 18 to 30 percent by weight based on the total weight of the composition; water in an amount from .[.67 to 30.]. .Iadd.30 to 80 .Iaddend.percent by weight based on the total weight of the composition; a source of multivalent metallic ions in an amount of 0.1 to 5 percent by weight based on the total weight of the composition; and humectant in an amount from 0.1 to 40 percent by weight based on the total weight of the composition and the emulsions comprising a water dissipatable polymer in an amount from 18 to 30 percent by weight based on the total weight of the composition; water in an amount from .[.67.]. .Iadd.30 .Iaddend.to 80 percent by weight based on the total weight of the composition; emollient oils in an amount from 0.Type: GrantFiled: February 11, 1993Date of Patent: September 6, 1994Assignee: Imaginative Research Associates, Inc.Inventors: Mohan Vishnupad, Jose Ramirez
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Patent number: RE34730Abstract: This invention, therefore, relates to the field of polyurethane coatings for use in automobile basecoat/clearcoat systems. In particular, this invention relates to the discovery that incorporating a long-chain carboxylic acid of at least 50% by weight of the carboxylic acid component used to make polyester resins which are further incorporated into polyurethane resins provides basecoat composition exhibiting low temperature flash characteristics. These low temperature flash characteristics are exhibited even where the basecoat is deposited at 50-90% relative humidity.Type: GrantFiled: April 8, 1993Date of Patent: September 13, 1994Assignee: BASF Corporation, Inmont DivisionInventors: Timothy Salatin, Thomas C. Balch, Michael C. Knight, Michael D. Shesterkin, John S. Van Antwerp, Paul E. Lamberty, Robert A. Aamodt