Polymer Is Graft, Graft-type, Block, Or Block-type Copolymer Patents (Class 523/423)
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Patent number: 9221977Abstract: A composition for coating food cans is disclosed. The composition comprises a polyester/acrylic graft copolymer, a polyester resin, and a crosslinker. Methods for coating cans using the compositions of the invention are also disclosed.Type: GrantFiled: March 15, 2013Date of Patent: December 29, 2015Assignee: PPG industries Ohio, Inc.Inventors: Ronald R. Ambrose, Michael J. Ziegler, John M. Dudik
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Patent number: 9200155Abstract: An aqueous dispersion of epoxy resin and a redispersible epoxy polymer powder contains particles of 50-90 weight-percent epoxy resin with 10-50 weight-percent alkali soluble shell around the particles and 2-25 weight-percent dispersing aid, with weight-percent based on total combined weight of epoxy resin, alkali soluble polymer shell and dispersing aid.Type: GrantFiled: June 13, 2012Date of Patent: December 1, 2015Assignee: Dow Global Technologies LLCInventors: Liang Chen, Liang Hong, Manesh N. Sekharan, Michael J. Radler
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Patent number: 8785591Abstract: The disclosure pertains to amphiphilic block copolymers comprising an aliphatic polycarbonate chain coupled to a hydrophilic polymer. Such amphiphilic polymers may have the formula A-L-B, where A- is a polycarbonate or polyethercarbonate chain having from about 3 to about 500 repeating units, L is a linker moiety and -B is a hydrophilic oligomer having from about 4 to about 200 repeating units. Provided copolymers are useful as surfactants capable of emulsifying aqueous solutions and supercritical carbon dioxide. Provided copolymers also have utility as additives for use in enhanced oil recovery methods.Type: GrantFiled: September 27, 2013Date of Patent: July 22, 2014Assignee: Novomer, Inc.Inventors: Scott D. Allen, Chris A. Simoneau, John M. Salladay, David M. Hatfield, John W. Stevens
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Publication number: 20140031453Abstract: The disclosure pertains to amphiphilic block copolymers comprising an aliphatic polycarbonate chain coupled to a hydrophilic polymer. Such amphiphilic polymers may have the formula A-L-B, where A- is a polycarbonate or polyethercarbonate chain having from about 3 to about 500 repeating units, L is a linker moiety and —B is a hydrophilic oligomer having from about 4 to about 200 repeating units. Provided copolymers are useful as surfactants capable of emulsifying aqueous solutions and supercritical carbon dioxide. Provided copolymers also have utility as additives for use in enhanced oil recovery methods.Type: ApplicationFiled: September 27, 2013Publication date: January 30, 2014Applicant: Novomer, Inc.Inventors: Scott D. Allen, Chris A. Simoneau, John M. Salladay, David M. Hatfield, John W. Stevens
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Patent number: 8409669Abstract: A method and system for the spray application of epoxy materials is provided. The system includes a dual walled tank structure as a reservoir for containing and preheating the epoxy materials in preparation for mixing and spray application. Each component of the epoxy material is preheated before the components are mixed. After preheating, the components are then mixed together and spray applied. The method and system of the present invention provides a high quality spray applied epoxy coating while reducing equipment down time and cleaning.Type: GrantFiled: November 7, 2008Date of Patent: April 2, 2013Inventors: Danny R. Warren, David Allan Smith
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Publication number: 20130059943Abstract: Halogen-free, flame retardant compositions comprising in weight percent based on the weight of the composition: A. 20 to 60% TPU/Si-g-EVA polymer blend in which the Si-g-EVA is crosslinked, B. 1 to 25% organic phosphate ester, C. 30 to 60% metal hydrate, and D. 0.1 to 10% epoxidized novolac. Optionally, the compositions further comprise in weight percent based on the weight of the composition, one or more of: E. 0.01 to 0.5% anti-dripping agent, F. 0.1 to 2% additive; and G. 0.1 to 5% filler.Type: ApplicationFiled: May 24, 2010Publication date: March 7, 2013Inventors: Wilson Xiao Wei Yan, Given Jing Chen, Lotus Hua Huang, David Hong Fei Guo
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Patent number: 8389604Abstract: Disclosed is a method including (A) melt blending first components including (a-1) a poly(trimethylene terephthalate) homopolymer or copolymer resin; and (a-2) one or more ionomer polymers or a combination of one or more ionomer polymers and acid polymers; to provide a first melt blend; and (B) melt blending said first melt blend with one or more Group B polymeric toughener(s) selected from the group consisting of an ethylene copolymers of the formula E/X/Y wherein: E is the radical formed from ethylene; X is selected from the group consisting of radicals formed from CH2?CH(R1)—C(O)—OR2 Y is one or more radicals formed from selected monomers with the proviso that Y must include at least one radical formed from monomers selected from the group consisting of maleic anhydride, (meth)acrylic acid, maleic acid, maleic acid monoesters, itaconic acid, fumaric acid, fumaric acid monoesters, salts of said preceding acids, and glycidyl acrylate, glycidyl methacrylate, and glycidyl vinyl ether.Type: GrantFiled: November 1, 2010Date of Patent: March 5, 2013Assignee: E I du Pont de Nemours and CompanyInventors: Richard T. Chou, Toshikazu Kobayashi
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Publication number: 20130018127Abstract: The invention relates to a process for the manufacture of an auto-oxidatively cross-linking hybrid polymer, in particular an aqueous hybrid polymer dispersion, comprising the step of reacting in a mini-emulsion process one or more ethylenically unsaturated monomers to form an addition polymer (also referred to as a vinyl polymer) in the presence of a modified auto-oxidatively crosslinkable (AOC) polymer which has been modified with terminal unsaturated groups of the formula C(R1)?CH2 wherein R1 can be hydrogen, alkyl or aryl and wherein the modified AOC polymer is a hydrophobic polymer having an acid number between 5 to 30.Type: ApplicationFiled: March 31, 2011Publication date: January 17, 2013Applicant: NUPLEX RESINS B.V.Inventors: Dirk Emiel Paula Mestach, Rob Adolphs, Adam Berry, Maria Paulis, Maria Barandiaran, José Asua, Monika Goikoetxea, Itxaso Beristain
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Publication number: 20120283358Abstract: An adhesive composition for use in devices and methods for measuring a presence or a concentration of a particular component, such as an antigen, in a sample, such as blood, are provided. In one exemplary embodiment of an adhesive composition, the composition includes an adhesive, water, a poloxamer, and an anticoagulant. The adhesive can include particular properties, such as being hydrophilic, pressure-sensitive, heat-activated, and/or water soluble. The adhesive is particularly useful because it can help improve the flow of sample a device. For example, when the device is an immunosensor, the adhesive can help prevent the blood from clotting in chambers of the immunosensor. This results in a more efficient and accurate determination of the concentration of the sample. Methods of making the composition and device in which the composition can be used are provided, as are methods of using the same.Type: ApplicationFiled: July 16, 2012Publication date: November 8, 2012Applicant: LifeScan, Inc.Inventors: Ronald C. Chatelier, Dennis Rylatt
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Patent number: 8211959Abstract: Biodegradable copolymer hydrogels are provided. The biodegradable copolymer hydrogels have a structure of Formula (I) or Formula (II) A-B—BOX—B-A??Formula (I) B-A-B—(BOX—B-A-B)n-BOX—B-A-B??Formula (II), wherein, A comprises a hydrophilic polyethylene glycol polymer (A); B comprises a hydrophobic polyester polymer (B); BOX is bifunctional group monomer of 2,2?-Bis(2-oxazoline) and used for coupling the blocks A-B or B-A-B; and n is an integer, equal to or greater than 0.Type: GrantFiled: September 30, 2009Date of Patent: July 3, 2012Assignee: Industrial Technology Research InstituteInventors: Hsin-Hsin Shen, Chin-Fu Chen, Meng-Yow Hsieh, Miao-Tzu Chen, Wen-Fu Lee
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Patent number: 8178598Abstract: A curing agent for epoxy resin, and a coating composition using the curing agent curing agent that delivers excellent recoatability and overcoatability after a long time exposure. (A) An epoxy curing agent that is derived by adduction between amide-type reactants from polyamine compounds comprising from 25-75 mol % of a polyoxyalkylene-polyamine and carboxylic acids or a mixture thereof and glycidyl ether compound; (B) An epoxy curing agent of the mixture of (B1) amide-type reactants prepared through polyoxyalkylene-polyamine and carboxylic acids or a mixture thereof, and (B2) a reactant is derived by adduction between other aliphatic polyamines or a mixture thereof and glycidyl ether compound. Coating composition comprising the epoxy curing agent of the above described A or B.Type: GrantFiled: June 12, 2007Date of Patent: May 15, 2012Assignee: Air Products and Chemicals, Inc.Inventors: Keisuke Hakuya, Michael Ian Cook, Kouichi Sakasegawa, Yoshimi Hasegawa
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Publication number: 20120059088Abstract: Lactone/alkylene oxide polymers are useful as demulsifiers to break emulsions, e.g. water-in-oil and oil-in-water emulsions, particularly oilfield emulsions. These polymers are random or block polymer made from addition reactions of a hydroxyl- and/or amine-containing base compound with at least one lactone monomer and at least one alkylene oxide monomer.Type: ApplicationFiled: August 24, 2011Publication date: March 8, 2012Applicant: Baker Hughes IncorporatedInventors: Matthew Hilfiger, Michael P. Squicciarini, Christine Ann Blundell, Darryl M. Stepien, Patrick J. Breen
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Publication number: 20110236667Abstract: The invention relates to new aqueous polyurethane-modified alkyd resin dispersions, to their preparation and use as binders in paints and coatings.Type: ApplicationFiled: June 6, 2011Publication date: September 29, 2011Applicant: Bayer MaterialScience AGInventors: Harald Blum, Rolf Gertzmann, Christoph Irle, Maria Almato Guiteras, Juan Miguel Garcia Martinez
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Patent number: 7887626Abstract: The present invention provides aqueous dispersions of highly-branched polymers for coating applications and methods for making the polymers. The polymers may have high molecular weights and desirably take the form of microgels. The polymers and dispersions may be formulated with functionalities, viscosities, and solids contents that make them well-suited for use in a variety of coatings including, but not limited to, 2-pack coatings, ultraviolet (UV) curable coatings, inks, and air-dry coatings.Type: GrantFiled: July 29, 2008Date of Patent: February 15, 2011Assignee: BASF CorporationInventor: Jeffrey L. Anderson
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Patent number: 7759432Abstract: The emulsion herein is of an epoxy resin having a glass transition temperature of at least about 40° C., wherein the average diameter of the epoxy resin particles in the emulsion is 500 nm or less. The emulsion may include an epoxy resin, a sulfonated polyester resin and a nonionic surfactant. The emulsion may be used to produce a toner particle in an emulsion aggregation method.Type: GrantFiled: October 13, 2005Date of Patent: July 20, 2010Assignee: Xerox CorporationInventors: Ke Zhou, Anna-Karin Eriksson, Guerino G. Sacripante
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Patent number: 7704559Abstract: A water-dilutable epoxy resin composition ABC of an epoxy resin AB and an emulsifier C, a process for its preparation, and a method of use thereof to make elastic coating films that impart good corrosion resistance even in thin layers. The epoxy resin AB featuring, in its polymer chain, moieties derived from aliphatic polyethers B1 having at least 4 carbon atoms in the alkylene group or from aliphatic polyesters B2 based on linear, branched or cyclic aliphatic polyhydric alcohols B21 and linear, branched or cyclic aliphatic polyvalent acids B22, where the average number of hydroxyl or acid groups in B21 or B22 is at least 1.9. The emulsifier C is a reaction product of an aliphatic polyol C1 and an epoxy resin C2.Type: GrantFiled: July 18, 2005Date of Patent: April 27, 2010Assignee: Cytec Surface Specialities Austria GmbHInventors: Rosemaria Grasboeck, Florian Lunzer, Thomas Fischer, Sandra Reisinger
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Patent number: 6815474Abstract: The invention relates to a water-based intaglio printing ink especially suited for the intaglio printing of security documents, such as postage stamps, stock certificates and the like, wherein the water-based intaglio printing ink having a) an epoxy resin ester reacted with an unsaturated monobasic acid and a reactive monomer, b) a glycol and/or glycol ether c) a pigment, d) a monoalkanolamine, e) a drier and f) water.Type: GrantFiled: September 24, 2001Date of Patent: November 9, 2004Assignee: Sun Chemical CorporationInventors: Joseph Malanga, Solomon J. Nachfolger
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Patent number: 6761973Abstract: The present invention provides a cationic resin composition comprising a cationic resin (A) and a blocked polyisocyanate (B) obtained by reacting an active hydrogen-containing component comprising a diol (a) which has two hydroxyl groups having different reactivities from each other and which has a molecular weight of 76 to 150 and a carboxyl group-containing diol (b) having a molecular weight of 106 to 500 with a polyisocyanate compound (c).Type: GrantFiled: September 5, 2002Date of Patent: July 13, 2004Assignee: Kansai Paint Co., Ltd.Inventors: Shigeo Nishiguchi, Koji Kamikado, Souichi Ikejiri, Hideki Iijima
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Patent number: 6653370Abstract: Water-dilutable, cationically stabilized epoxy resins ZYX are obtained by reacting, in the first stage, aromatic or aliphatic epoxide compounds Z with aliphatic amines Y to form epoxy-amine adducts ZY which are neutralized and then in aqueous dispersion are reacted in a second stage with a further epoxy resin X. The resins ZYX may be formulated without additional curatives to give aqueous coating materials which exhibit a good corrosion protection effect.Type: GrantFiled: November 2, 2001Date of Patent: November 25, 2003Assignee: Solutia Austria GmbHInventors: Willibald Paar, Roland Feola, Johann Gmoser, Maximilian Friedl
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Patent number: 6576689Abstract: A water based coating composition prepared by reacting an epoxy resin (A) having a bisphenol A skeletal structure and a carboxyl group-containing acrylic resin (B) in the presence of an amine compound to form an acrylic-modified epoxy resin (C), and neutralizing, and dispersing the acrylic-modified epoxy resin (C) into an aqueous medium, an amount of a quaternary ammonium salt in the acrylic-modified epoxy resin (C) being in the range of 3.0×10−4 mol or less per one gram of the resin.Type: GrantFiled: October 17, 2001Date of Patent: June 10, 2003Assignee: Kansai Paint Co., Ltd.Inventors: Sumio Noda, Reijiro Nishida, Makoto Asakura, Masaki Murase
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Patent number: 6534193Abstract: A liquid epoxy resin composition includes (A) a liquid epoxy resin, (B) an optional curing agent, (C) a curing accelerator, (D) an inorganic filler, and (E) an indene-styrene or indene-chroman-styrene copolymer having a Mn of 200-2,000 in an amount of 0.1-20 parts by weight per 100 parts by weight of components (A) and (B) combined. The indene polymer (E) is previously melt mixed with a part or all of the liquid epoxy resin (A) prior to compounding with the remaining components. A semiconductor device sealed with the cured product of the liquid epoxy resin composition remains reliable.Type: GrantFiled: July 26, 2001Date of Patent: March 18, 2003Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Kazuaki Sumita, Toshio Shiobara
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Patent number: 6492027Abstract: The present invention provides a cationic resin composition capable of forming a cationically electrodepositable coating film which is excellent in corrosion resistance, an aptitude for the cationic electrodepositable coating of a rust preventive steel plate and in adhesion to substrate, which cationic resin composition is characterized by comprising the following components: (A) an amino group-containing epoxy resin which is prepared by adding an amino group-containing compound to an epoxy resin having an epoxy equivalent of 400 to 3000, (B) a polyol-modified amino group-containing epoxy resin which is prepared by making an epoxy resin having an epoxy equivalent of 180 to 2500 react with an amino group-containing compound and with a polyol compound obtained by adding caprolactone to a compound having plural active hydrogen groups, and (C) a blocked polyisocyanate curing agent, component (A) being 40 to 70% by weight, component (B) being 4 to 40% by weight, and component (C) being 10 to 40% by weight, baseType: GrantFiled: May 31, 2001Date of Patent: December 10, 2002Assignee: Kansai Paint Co., Ltd.Inventors: Shigeo Nishiguchi, Koji Kamikado, Tadayoshi Hiraki, Akira Tominaga
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Patent number: 6433042Abstract: A curing agent for epoxy resin which comprises at least one selected from the compound of the formula (1) and its salt, as an effective component wherein X is —(CH2)n- or —(CH2)1-Y—(CH2)m- , Y is —N(R1)—, —O— or —S—, R1 is alkyl having 1 to 8 carbon atoms or amino. n is a number of 2, 3, 5 to 11, 1 and m are each a number of 1 to 8.Type: GrantFiled: February 5, 2001Date of Patent: August 13, 2002Assignee: Otsuka Kagaku Kabushiki KaishaInventors: Yoshihisa Tomotaki, Takashi Kitajima, Keiichiro Ishikawa, Akihiro Nabeshima, Tomohiro Furuichi
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Patent number: 6350796Abstract: Two-component systems based on aqueous dispersions of hydrophilic epoxy adducts Ah having hydroxyl groups as reactive groups and unblocked difunctional or polyfunctional isocyanates B, said hydrophilic epoxy adducts Ah being selected from cationically stabilized hydrophilic epoxy adducts Ak, anionically stabilized hydrophilic epoxy adducts Aa and also nonionically stabilized epoxy adducts An and zwitterionically stabilized epoxy-amine adducts Aak.Type: GrantFiled: October 26, 1999Date of Patent: February 26, 2002Assignee: Vianova Resins AGInventors: Gert Dworak, Martin Gerlitz, Roland Feola, Manfred Weinberger
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Patent number: 6338869Abstract: The present invention provides a coating composition capable of forming a coating film having good performances such as an adhesive property even if coated on a deteriorated coating film surface of a high rust-preventive coating film of a tar epoxy resin coating material and the like without providing pre-treatment, and a coating method thereof. The above coating composition is a coating composition of an organic solvent type or solventless type comprising an epoxy resin having at least one epoxy group in a molecule and an amine base curing agent as resin components, wherein moisture of 1 to 30 parts by weight per 100 parts by weight of the solid matter of the coating composition is contained.Type: GrantFiled: June 16, 2000Date of Patent: January 15, 2002Assignee: Kansai Paint Co., Ltd.Inventors: Tadashi Nakano, Akira Saito, Shigeo Inomata
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Patent number: 6333367Abstract: A cationic electrodeposition coating composition containing (A) an acrylic resin obtained by subjecting a mixture of 10 to 60% by weight of a hydroxyl group-containing acrylic monomer (a), 5 to 35% by weight of an amino group-containing acrylic monomer (b), 5 to 55% by weight of an aromatic vinyl monomer (c) and optionally another acrylic monomer (d) to a radical copolymerization reaction; (B) a hydroxyl group-containing acrylic resin-modified epoxy resin obtained by reacting 65 to 95% by weight of a resin composition consisting of 10 to 90% by weight of an epoxy resin (e) and 90 to 10% by weight of a hydroxyl group-containing acrylic resin (f) with 5 to 35% by weight of an amine compound (g); (C) a aliphatic and/or alicyclic blocked polyisocyanate compound, and (D) a bismuth compound component, a mixing ratio of the components (A), (B) and (C) being such that the component (A) is in the range of 40 to 90% by weight, the component (B) is in the range of 5 to 55% by weight and the component (C) is in the rangeType: GrantFiled: April 14, 2000Date of Patent: December 25, 2001Assignee: Kansai Paint Co., Ltd.Inventors: Akiko Kato, Shigeo Nishiguchi, Reijiro Nishida, Shinji Miyatake, Hidehiko Haneishi
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Patent number: 6306934Abstract: A protective coating composition for coating interior surfaces of beer, beverage, and food containers, as well as interior and exterior surfaces of can ends, comprises a polymeric binder of emulsion copolymerized ethylenic monomers in the presence of an unsaturated polyester dispersed into water with an aqueous dispersed epoxy-acrylic graft copolymer dispersant. The preferred polymeric binder comprises by weight between 0.1% and 40% unsaturated polyester, between 20% and 80% emulsion copolymerized ethylenic unsaturated monomers, and at least 20% dispersant, where the emulsion copolymerized monomers crosslink with the water dispersed unsaturated polyester.Type: GrantFiled: March 29, 1999Date of Patent: October 23, 2001Assignee: Imperial Chemical Industries, PlcInventors: Daniel Bode, Deborah Howard, Christopher Bradley, Martin Belton
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Patent number: 6251483Abstract: The present invention provides a recyclable cold curing aqueous coating composition, comprising (a) an oxidative-polymerizable, modified epoxy resin with an acid value of 25 to 60, comprising 20 to 70 percents by weight of an epoxy resin based on the total weight of said modified epoxy resin, of which a particle size is not more than 200 nm in an aqueous medium, (b) an anticorrosive pigment and/or an ampholytic metal oxide and (c) a drier. The recyclable cold curing aqueous coating composition of the present invention can provide a coating film having improved water resistance and corrosion resistance, and repeatedly reuse by recycling and readjusting. The present invention also provides a method for recycling the cold curing aqueous coating composition.Type: GrantFiled: September 2, 1999Date of Patent: June 26, 2001Assignee: Nippon Paint Co., Ltd.Inventors: Masakazu Watanabe, Masahiro Yamauchi, Susumu Hibi, Junichi Sueyoshi
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Patent number: 6248811Abstract: A process is disclosed for preparing bioactive, covalently fixed coatings on the surfaces of substrates, by grafting to a surface of the substrate a coating polymer which contains the following monomers in copolymerized form: (i) at least one monomer of the general formula: R—(A)a (I), in which R is a mono- or diolefinically unsaturated organic radical having a valence a, A is a carboxyl group, a sulfuric acid group, a sulfonic acid group, a phosphoric acid group, a phosphonic acid group, a phosphorous acid group, a phenolic hydroxyl group, or a salt of one of these acid groups, and a is 1, 2 or 3; and (ii) at least one monomer which is sensitive to UV radiation.Type: GrantFiled: January 5, 1998Date of Patent: June 19, 2001Assignee: Huels AktiengesellschaftInventors: Peter Ottersbach, Britta Mensing, Gerard Helary, Marcel Jozefowicz, Veronique Migonney, Jean-Pierre Vairon
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Patent number: 6207789Abstract: The present invention provides a resin containing in the backbone chain a structural unit represented by the following Formula (I) or (II), as a novel phenolic resin having a high Tg, a low moisture absorption, a low molding shrinkage, high adhesive properties and high flow properties. The present invention also provides a resin composition and a molding material each containing the above resin, and an electronic component device having a device element encapsulated with it.Type: GrantFiled: February 23, 2000Date of Patent: March 27, 2001Assignee: Hitachi Chemical Co., Ltd.Inventors: Haruaki Sue, Shinsuke Hagiwara, Fumio Furusawa, Seiichi Akagi, Kazuyoshi Tendo
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Patent number: 6066686Abstract: The present invention relates to a thermoplastic resin comprising 100 parts by weight of a resin mixture comprising 30 to 95% by weight of a polycarbonate resin (a), 5 to 70% by weight of a polystyrene resin (b), 0.5 to 20 parts by weight of a specific block copolymer (c) and, if necessary, 0.1 to 20 parts by weight of a polyalkylene terephthalate (d), and/or 0.1 to 20 parts by weight of a polyphenylene ether resin (e), and a flame-retardant thermoplastic resin composition prepared by blending the above composition with 1 to 40 parts by weight of an organophosphorus compound (f) and, if necessary, 0.05 to 5 parts by weight of a fluoroethylene polymer (g).Type: GrantFiled: January 27, 1997Date of Patent: May 23, 2000Assignee: Daicel Chemical Industries, Ltd.Inventors: Masahiro Katayama, Hiromitsu Hamano
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Patent number: 6051627Abstract: A dispersant which is a phosphate ester of a polyalkylene ether block copolymer of formula MeO(C.sub.2 H.sub.4 O).sub.m (C.sub.3 H.sub.6 O).sub.n --H wherein m and n are each, independently, 2 to 60 and use in aqueous based paints and printing inks.Type: GrantFiled: June 1, 1998Date of Patent: April 18, 2000Assignee: Zeneca LimitedInventors: Dean Thetford, Mark Holbrook
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Patent number: 6034160Abstract: The present invention relates to water-borne thermoplastic polyhydroxyether resins having narrow polydispersity (M.sub.w /M.sub.n <4.0 and 7,000>M.sub.n >12,000), and the use of such resins in water-borne coating compositions.Type: GrantFiled: July 15, 1997Date of Patent: March 7, 2000Assignee: InChem Corp.Inventors: Robert Francis Eaton, Robert Norman Johnson
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Patent number: 6005029Abstract: The present invention comprises an improved organic composite-plated steel plate which is obtained by applying a thermosetting resin to a chromate-coated alloy-plated steel plate and curing this, wherein, various aqueous resin compositions having the form of basic coating film formation components, such as, for example, aqueous vinyl modified epoxy ester resins, or aqueous vinyl modified epoxy ester resin / blocked isocyanate compound-types, or aqueous vinyl modified epoxy ester resin / blocked isocyanate compounds / colloidal silica-types, are used as the thermosetting resin described above.Type: GrantFiled: February 10, 1997Date of Patent: December 21, 1999Assignees: Dainippon Ink and Chemicals, Inc., Nippon Steel CorporationInventors: Shin'ichi Kuwamura, Atsushi Miyagaki, Kiyoshi Ohnishi, Masahide Amemoto, Hisao Odashima, Keitaro Shibata, Akihiro Kasuya, Kiyoshi Ohmori
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Patent number: 5981627Abstract: This invention relates to stable one-part latex compositions prepared by aqueous emulsion polymerization wherein a core-shell polymer is formed, the core formed by emulsion polymerization of an ethylenically unsaturated monomer in the presence of an epoxy resin and the shell polymer formed by emulsion polymerization of a hydroxy carboxyl containing monomer composition in the presence of the core, providing that the monomers in both the core and the shell do not contain amino functional groups, and post-adding to the formed core-shell polymer an organic compound having at least one amino functional group which is available for later reaction with the epoxy resin upon drying to produce a crosslinked polymer product.Type: GrantFiled: October 9, 1992Date of Patent: November 9, 1999Assignee: National Starch and Chemical Investment Holding CorporationInventors: Yen-Jer Shih, Arthur B. Pruiksma
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Patent number: 5925694Abstract: Aqueous, low-solvent coating compositions comprising a base resin dispersion comprising of an epoxy resin, prepared by condensation of one or more epoxide compounds having at least two epoxide groups per molecule and an aromatic polyol; a dispersant comprising a condensation product of an aliphatic polyol having a weight-average molar mass (M.sub.w) of from 200 to 20,000 g/mol and an epoxide compound having at least two epoxide groups per molecule, and low molar mass, liquid, epoxy-functional compounds as diluents, and also water; an aqueous curing agent for the modified epoxy resin (I), which is suitable for curing at room temperature or at elevated temperatures (forced drying), components (I) and (II) being employed in mass fractions such that the ratio of the number of reactive epoxide groups in (I) to the number of amine hydrogen atoms in (II) is between 1:0.75 and 1:2. The coating compositions exhibit an extended pot life. They can be used to produce coatings and in water-soluble adhesives.Type: GrantFiled: September 25, 1996Date of Patent: July 20, 1999Assignee: Vianova Resins GmbHInventors: Bernhard Stengel-Rutkowski, Claus Godau, Armin Pfeil
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Patent number: 5922817Abstract: A water-dispersible polymer and a coating composition containing the water-dispersible polymer are disclosed. The water-dispersible polymer is prepared from: (a) an epoxy compound having about two epoxy groups, such as an epoxy resin, (b) a linking compound having (i) conjugated carbon--carbon double bonds or a carbon--carbon triple bond and (ii) a moiety capable of reacting with an epoxy group, such as sorbic acid, and (c) acrylic monomers, at least a portion of which are capable of rendering the polymer water dispersible, such as acrylic acid, wherein the epoxy portion (a) of the polymer is covalently linked to the polymerized acrylic portion (c) by linking compound (b). The coating composition contains the water-dispersible polymer, a fugitive base to solubilize the polymer, a curing agent, and a carrier containing water.Type: GrantFiled: May 11, 1998Date of Patent: July 13, 1999Assignee: The Dexter CorporationInventors: Walter R. Pedersen, Joseph Devasia Ponmankal
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Patent number: 5898045Abstract: An aqueous polymer dispersion, comprising an at least 20% neutralized, free-radical polymerized product of A and B in a ratio of one part A to from 0.5 to 9.0 parts B by weight; whereinA consists essentially of from 2.5 to 13% by weight of at least one acid group-containing, ethyleneically unsaturated monomer and from 87 to 97.5% by weight of at least one ethylenically unsaturated monomer that is free from acid groups, and further whereinB is a reaction product of at least one compound containing at least 1.5 epoxide groups per molecule on average and at least one member of the group consisting of:(1) mixtures of ethylenically unsaturated monocarboxylic acids, saturated fatty acids, and monoesters of ethylenically unsaturated dicarboxylic acids and saturated fatty alcohols; and (2) mixtures of saturated fatty acids and monoesters of ethylenically unsaturated dicarboxylic acids and saturated fatty alcohol.Type: GrantFiled: June 13, 1996Date of Patent: April 27, 1999Assignee: BASF Coatings AGInventors: Stephan Schwarte, Dietmar Chmielewski, Georg Wigger
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Patent number: 5830952Abstract: A water-dispersible polymer and a coating composition containing the water-dispersible polymer are disclosed. The water-dispersible polymer is prepared from: (a) an epoxy compound having about two epoxy groups, such as an epoxy resin, (b) a linking compound having (i) conjugated carbon--carbon double bonds or a carbon--carbon triple bond and (ii) a moiety capable of reacting with an epoxy group, such as sorbic acid, and (c) acrylic monomers, at least a portion of which are capable of rendering the polymer water dispersible, such as acrylic acid, wherein the epoxy portion (a) of the polymer is covalently linked to the polymerized acrylic portion (c) by linking compound (b). The coating composition contains the water-dispersible polymer, a fugitive base to solubilize the polymer, a curing agent, and a carrier containing water.Type: GrantFiled: February 22, 1996Date of Patent: November 3, 1998Assignee: The Dexter CorporationInventors: Walter R. Pedersen, Joseph Devasia Ponmankal
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Patent number: 5827907Abstract: A composition having enhanced fracture resistance comprising a heat curable reaction product of a fluorine-containing thermoset material and a fluorine-containing homopolymer, wherein the cured reaction product comprises the thermoset material having a plurality of discrete phases of said fluorine-containing homopolymer dispersed therein, the homopolymer phases being in the range of micron to submicron size.Type: GrantFiled: August 30, 1993Date of Patent: October 27, 1998Assignee: IBM CorporationInventors: Jeffrey Thomas Gotro, Jeffrey Curtis Hedrick, Konstantinos Papathomas, Niranjan Mohanlal Patel, Alfred Viehbeck, William Joseph
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Patent number: 5824732Abstract: 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 a copolymer comprising a polymeric backbone comprising recurring monomeric units derived from monomers selected from the group consisting of one or more .alpha.-olefins and one or more unsaturated carboxylic acids, said backbone having grafted thereto, by a covalent amide linkage, one or more polymeric grafts comprising at least one recurring monomeric unit selected from the group consisting of:--NHC(O)RC(O)NHR.sup.1 and --NH--R--C(O)--or a combination thereof, wherein R is an alkylene group of at least about 2 carbon atoms, and R.sup.1 is R or aryl.Type: GrantFiled: January 7, 1997Date of Patent: October 20, 1998Assignee: AlliedSignal Inc.Inventor: Michael Jablon
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Patent number: 5763507Abstract: An aqueous paint which exhibits improved dispersion property in the water and dispersion stability, has a low viscosity enabling the painting operation to be efficiently carried out, and cures at low temperatures within short periods of time to form a coating which after cured exhibits high degree of workability, high corrosion resistance, and elutes out little into the content. The aqueous paint comprises an epoxy acrylate resin prepared by modifying, with a (meth)acrylic monomer, a copolymerized epoxy resin having a number average molecular weight of 8,000 to 15,000 and containing, as phenolic components, a bisphenol-A component and a bisphenol-F component at a molar ratio of from 5:5 to 8:2, and a curing agent of a thermosetting resin having a methylol group.Type: GrantFiled: December 19, 1996Date of Patent: June 9, 1998Assignee: Toyo Seikan Kaisha, Ltd.Inventors: Toshinori Moriga, Shunji Kojima, Seishichi Kobayashi
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Patent number: 5741845Abstract: The invention concerns a process for the production of block copolymers or aqueous dispersions and emulsions thereof, whereby azo macroinitiators are reacted with radical-polymerizable monomers or a mixture of several radical-polymerizable monomers. The azo macroinitiators are obtained by reacting simple reactive azo compounds with prepolymers with a molecular weight between 400 and 20000, which possess at least 2 functional groups, e.g. polyurethanes or polyesters.The aqueous block copolymer dispersions and emulsions produced according to the invention are suitable for use for the production of paints, adhesives etc.Type: GrantFiled: June 7, 1995Date of Patent: April 21, 1998Assignee: Dainippon Ink & Chemicals Inc.Inventors: Rainer B. Frings, Shigeru Komazaki, Gerwald F. Grahe
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Patent number: 5739185Abstract: The present invention provides a cationic electrodepositable coating composition comprising:?I! a polyurethane-modified epoxy resin-amine adduct obtained by a reaction of:(A) a polyurethane compound having one terminal isocyanate group in the molecule, obtained by a reaction of (a) a polyhydroxy compound having a number-average molecular weight of 50-8,000, (b) a polyisocyanate compound, and (c) a compound having one active hydrogen atom in the molecule,(B) a bisphenol type epoxy resin having at least two epoxy groups in the molecule, and(C) an active-hydrogen-containing amine compound, and ?II! a nonionic film-forming resin.Type: GrantFiled: August 16, 1995Date of Patent: April 14, 1998Assignee: Kansai Paint Co., Ltd.Inventors: Hidehiko Haneishi, Masanobu Kudoh, Koji Kamikado
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Patent number: 5708059Abstract: A stable, aqueous epoxy resin dispersion including: (A) an epoxy resin prepared by condensation of at least one epoxide compound having on average at least two epoxide groups per molecule, with an aralkylated polyhydroxy aromatic compound obtained by reaction of a polyhydroxy aromatic compound with an aromatic compound which carries an alkenyl group; (B) a dispersant; and water, is useful, for example, in a coating or adhesive.Type: GrantFiled: February 11, 1997Date of Patent: January 13, 1998Assignee: Hoechst AktiengesellschaftInventors: Armin Pfeil, Michael Hoenel, Uwe Neumann
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Patent number: 5612406Abstract: The invention concerns a process for the production of block copolymers or aqueous dispersions and emulsions thereof, whereby azo macroinitiators are reacted with radical-polymerizable monomers or a mixture of several radical-polymerizable monomers. The azo macroinitiators are obtained by reacting simple reactive azo compounds with prepolymers with a molecular weight between 400 and 20000, which possess at least 2 functional groups, e.g. polyurethanes or polyesters.The aqueous block copolymer dispersions and emulsions produced according to the invention are suitable for use for the production of paints, adhesives etc.Type: GrantFiled: April 3, 1996Date of Patent: March 18, 1997Assignee: Dainippon Ink & Chemicals Inc.Inventors: Rainer B. Frings, Shigeru Komazaki, Gerwald F. Grahe
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Patent number: 5612394Abstract: Aqueous epoxy resin dispersion comprising (A) an epoxy resin which is a condensation product of (A-1) from 50 to 95% by weight, preferably from 55 to 85% by weight, of one or more epoxide compounds having at least two epoxide groups per molecule and an epoxide equivalent mass of from 100 to 2000 g/mol, (A-2) from 5 to 50% by weight, preferably from 15 to 45% by weight, of an aromatic polyol; and (A-3) from 0 to 25% by weight, preferably from 0 to 10% by weight, of modifying compounds containing at least two epoxide-reactive groups; (B) a dispersant comprising (B-1) a condensation product of a polyol having a weight-average molecular mass (M.sub.Type: GrantFiled: June 2, 1994Date of Patent: March 18, 1997Assignee: Hoechst AktiengesellschaftInventors: Armin Pfeil, Michael Hoenel, Paul Oberressl, Dieter Dreischhoff, Stefan Petri
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Patent number: 5576361Abstract: Protective coating compositions free of volatile organic solvents and particularly useful as can coatings are produced based on an aqueous dispersed microgel polymeric binder comprising between about 1% and 70% low molecular weight polyester diluent, between about 1% and 70% epoxy resin, between about 10% and 80% addition copolymer, and between about 1% and 40% low molecular weight diepoxide crosslinking resin. The aqueous dispersed solvent free microgel polymer is produced by mixing the polyester diluent with high molecular weight epoxy to produce a fluid resin mixture, copolymerizing in-situ ethylenically unsature monomers including carboxyl monomers in the presence of the fluid resin mixture and dispersing the resulting polymeric mixture into water. Low molecular weight diepoxide resin is added and crosslinked with carboxyl functionality to produce the microgel polymers.Type: GrantFiled: April 20, 1995Date of Patent: November 19, 1996Assignee: The Glidden CompanyInventor: Gary P. Craun
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Patent number: 5574079Abstract: The present invention relates to water-borne thermoplastic polyhydroxyether resins having narrow polydispersity (M.sub.w /M.sub.n <4.0 and M.sub.n >7,000 <12,000), and the use of such resins in water-borne coating compositions.Type: GrantFiled: December 21, 1994Date of Patent: November 12, 1996Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Robert F. Eaton, Robert N. Johnson
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Patent number: RE44931Abstract: The present invention provides aqueous dispersions of highly-branched polymers for coating applications and methods for making the polymers. The polymers may have high molecular weights and desirably take the form of microgels. The polymers and dispersions may be formulated with functionalities, viscosities, and solids contents that make them well-suited for use in a variety of coatings including, but not limited to, 2-pack coatings, ultraviolet (UV) curable coatings, inks, and air-dry coatings.Type: GrantFiled: February 1, 2013Date of Patent: June 3, 2014Assignee: BASF CorporationInventor: Jeffrey L. Anderson