Solid Polymer Or Sicp Derived From Carboxylic Acid Or Derivative Patents (Class 524/26)
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Patent number: 10053597Abstract: Coating compositions and methods for their preparation are described. The coating compositions can include a first copolymer produced by emulsion polymerization and derived from one or more monomers including one or more (meth)acrylates, one or more acid monomers, and optionally styrene. The first copolymer can have a Tg from ?50° C. to ?23° C. and is present in an amount of 10-50% by weight based on the total polymer content. The coating compositions can also include a second copolymer produced by emulsion polymerization and derived from one or more monomers including one or more (meth)acrylates, one or more acid monomers, and optionally styrene. The second copolymer can have a Tg from ?15° C. to 25° C. and is present in an amount of 50-90% by weight based on the total polymer content. Further described herein are dried coatings, methods for coating a substrate, and methods for producing a coating.Type: GrantFiled: January 8, 2014Date of Patent: August 21, 2018Assignee: BASF SEInventors: Luke S. Egan, Robert Michael Calhoun, Armin Burghart, Randall Petrie, Randall Brennan
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Patent number: 9156920Abstract: A process for preparing an aqueous emulsifier-stabilized vinyl acetate-ethylene copolymer dispersion with weight average particle size in a range from 100 nm to 300 nm includes emulsion polymerization of a reaction mixture including: a) vinyl acetate and ethylene, b) 0.05 to 1% by weight, based on the total weight of monomers and comonomers, of at least one functional comonomer selected from the group consisting of ethylenically unsaturated monomers with at least one phosphate group or phosphonic acid group or their salts and ethylenically unsaturated sulphonic acids or their salts, c) 0.5 to 5% by weight, based on the total weight of monomers and comonomers, of at least one anionic emulsifier and optionally one or more nonionic emulsifiers, and d) optionally at most 0.5%, based on the total weight of monomers and comonomers, of a protective colloid. The process reactor uses an external heat exchange circuit.Type: GrantFiled: September 26, 2012Date of Patent: October 13, 2015Assignee: WACKER CHEMICAL CORPORATIONInventor: Christian Leonard Daniels
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Publication number: 20150101979Abstract: A surface treatment method is described herein where a stabilizing (e.g., crosslinking agent) is pre-mixed into a fluid stock comprising a processable polymer. The stock is processed to form products (e.g., nanofibers or films), followed by exposing the products to a stabilizing (e.g., crosslinking catalyst, such as acid vapors), which results in stabilization (e.g., polymer cross-linking on the surface of the product). In some embodiments, the morphology of the product is not changed upon crosslinking. Moreover in some instances, this method does not need strong acids and is performed with weak acids such as acetic acid which reduces environmental pollution. In addition to water soluble polymers (e.g., PVA), this method is applicable to proteins such as soy protein, and combinations of polymers and proteins in various embodiments.Type: ApplicationFiled: April 10, 2013Publication date: April 16, 2015Inventors: Yong Lak Joo, Daehwan Cho, Kyoung Woo Kim
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Patent number: 8545980Abstract: A polypropylene resin having: (1) a melt flow rate (MFR) of 6 to 100 g/10 minutes, (2) a molecular weight distribution (Mw/Mn), measured by gel permeation chromatography, of 3 to 6, and (3) a 116° C. non-eluted component content (100-W116(%)) of 50% or more and a content of components eluted at 90° C. or less (W90) of 10 to 30%, measured by temperature-rising fractional chromatography (TREF).Type: GrantFiled: October 31, 2005Date of Patent: October 1, 2013Assignee: Idemitsu Kosan Co., Ltd.Inventors: Takeharu Tajima, Toshitaka Kanai, Tomoaki Takebe, Yutaka Minami
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Patent number: 8450388Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes a caseinate. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. Dental compositions, and methods of using dental compositions that include a caseinate and a hardenable resin or a water-dispersible, polymeric film former are also provided.Type: GrantFiled: July 11, 2012Date of Patent: May 28, 2013Assignee: 3M Innovative Properties CompanyInventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings, Paul A. Burgio, Afshin Falsafi
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Patent number: 8378010Abstract: A method of forming a stable latex polymer emulsion is provided which includes mixing one or more monomers including polymerizable acid monomers, esters, and unsaturated monomers with water and a soy protein. The emulsion is then polymerized and may be formed into adhesive compositions having improved water resistance and mechanical strength.Type: GrantFiled: March 10, 2008Date of Patent: February 19, 2013Assignee: Battelle Memorial InstituteInventors: James D. Browning, Bhima R. Vijayendran
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Publication number: 20120316260Abstract: A high-strength, solid adhesive formulation is provided. This formulation includes polyvinylpyrrolidone; at least one polymer dispersion that further includes polyurethane and that is capable of withstanding high mixing temperatures; casein for conferring lubricity to the formulation; and sodium stearate, which is operative to facilitate formation of a glue stick product for use in for joining paper or non-paper items.Type: ApplicationFiled: August 16, 2012Publication date: December 13, 2012Applicant: ELMER'S PRODUCTS, INC.Inventors: Joginder Kukreja, Van R. Foster, Dana L. Conover
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Patent number: 8278368Abstract: The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes a caseinate. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment. Dental compositions, and methods of using dental compositions that include a caseinate and a hardenable resin or a water-dispersible, polymeric film former are also provided.Type: GrantFiled: November 7, 2005Date of Patent: October 2, 2012Assignee: 3M Innnovatve Properties CompanyInventors: Richard P. Rusin, Sumita B. Mitra, Kevin M. Cummings, Paul A. Burgio, Afshin Falsafi
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Publication number: 20120220680Abstract: The present invention relates to biodegradable aliphatic-aromatic polyesters obtained from aliphatic dicarboxylic acids, polyfunctional aromatic acids and diols, wherein the polyfunctional aromatic acids are constituted by mixtures of acids of renewable and synthetic origin.Type: ApplicationFiled: November 5, 2010Publication date: August 30, 2012Applicant: Novamont S.P.A.Inventors: Catia Bastioli, Giampietro Borsotti, Luigi Capuzzi, Gian Tomaso Masala, Tiziana Milizia, Roberto Vallero
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Publication number: 20110200817Abstract: A primer coating is provided for use on a variety of substrates which provides enhanced liquid toner or ink adhesion when applied to substrates which are printed using high speed electrophotographic printing devices. The primer coating includes a natural rosin dispersion including a hydrogenated hydrocarbon rosin or rosin ester and a colloid forming material which is blended with a dispersion of a copolymer of ethylene and acrylic or methacrylic acid.Type: ApplicationFiled: February 9, 2011Publication date: August 18, 2011Applicant: MICHELMAN, INC.Inventor: Scot E. Duckworth
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Patent number: 7829611Abstract: A curable binder composition comprising an emulsion polymer, an extender and a hydryoxyamide.Type: GrantFiled: June 19, 2007Date of Patent: November 9, 2010Assignee: Rohm and Haas CompanyInventor: Michael D. Kelly
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Publication number: 20100099802Abstract: A method of forming a stable latex polymer emulsion is provided which includes mixing one or more monomers including polymerizable acid monomers, esters, and unsaturated monomers with water and a soy protein. The emulsion is then polymerized and may be formed into adhesive compositions having improved water resistance and mechanical strength.Type: ApplicationFiled: March 10, 2008Publication date: April 22, 2010Applicant: Battelle Memorial InstituteInventor: JAMES D. BROWNING
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Patent number: 7625961Abstract: The present invention relates to a composition, which can be referred to as a biopolymer, including fermentation solid and thermoactive material. The present invention also includes methods of making the biopolymer, which can include compounding fermentation solid and thermoactive material. The present biopolymer can be formed into an article of manufacture.Type: GrantFiled: June 14, 2004Date of Patent: December 1, 2009Assignee: POET Research, Inc.Inventor: Michael J. Riebel
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Patent number: 7560425Abstract: Compositions and methods for islet neogenesis therapy comprising an EGF and a gastrin in combination with immune suppression, and for treating or preventing early stage diabetes with a gastrin/CCK receptor ligand and an immunosuppressant are provided.Type: GrantFiled: June 9, 2003Date of Patent: July 14, 2009Assignee: Waratah Pharmaceuticals Inc.Inventors: Stephen J. Brand, Antonio Cruz
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Patent number: 7030178Abstract: The present invention provides a powdery dispersant for hydraulic compositions, which is excellent in pumping before drying and in pressure resistance and humidity resistance, which comprises one or more copolymers obtained by polymerizing a specific vinyl monomer (1) such as an ethylenically unsaturated carboxylic acid derivative having a polyoxyalkylene group with a specific vinyl monomer (b) such as (meth)acrylic acid etc., wherein the average number of C2-4 oxyalkylene groups or oxystyrene groups added is 45 to 150, (a)/[(a)+(b)]×100 ranges from 15 to 45 (mol-%), and at least a part of the copolymers are monovalent or polyvalent metal salts.Type: GrantFiled: June 22, 2004Date of Patent: April 18, 2006Assignee: Kao CorporationInventors: Daisuke Shiba, Kyoichi Shirota
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Patent number: 7030177Abstract: The present invention provides a powdery dispersant for hydraulic compositions, which is excellent in pumping before drying and in pressure resistance and humidity resistance, which comprises one or more copolymers obtained by polymerizing a specific vinyl monomer (1) such as an ethylenically unsaturated carboxylic acid derivative having a polyoxyalkylene group with a specific vinyl monomer (b) such as (meth)acrylic acid etc., wherein the average number of C2-4 oxyalkylene groups or oxystyrene groups added is 45 to 150, (a)/[(a)+(b)]×100 ranges from 15 to 45 (mol-%), and at least a part of the copolymers are monovalent or polyvalent metal salts.Type: GrantFiled: April 22, 2004Date of Patent: April 18, 2006Assignee: Kao CorporationInventors: Daisuke Shibai, Kyoichi Shirota
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Patent number: 7026390Abstract: The present invention provides a variety of extended polyacrylic acid based binder compositions comprising a low molecular weight polyacrylic acid (typically hypophosphite or sulfite terminated), a crosslinking agent (such as triethanolamine or glycerol) and one or more water soluble materials, such as lignin, low molecular weight starch and soybean protein. The extended binder composition of the present invention provides a lower cost binder composition without degrading the performance and may be selected to alter one or more characteristics of the basic binder composition such binder wetting, emulsion compatibility, dust suppression and wash water flow properties.Type: GrantFiled: December 19, 2002Date of Patent: April 11, 2006Assignee: Owens Corning Fiberglas Technology, Inc.Inventors: Frank C. O'Brien-Bernini, Liang Chen, Yadollah Delaviz, Kathleen M. Bullock, William E. Downey
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Patent number: 6586505Abstract: This invention relates to aqueous resin dispersions comprising water, resin, a surfactant, and a caseinate. This invention also relates to the process for producing the aqueous resin dispersion and to adhesives formulated with the aqueous resin dispersion.Type: GrantFiled: January 21, 1997Date of Patent: July 1, 2003Assignee: Eastman Chemical Resins, Inc.Inventors: Michael J. Cronin, Peter M. Dunckley, George J. Kutsek
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Patent number: 6407197Abstract: Aqueous dispersion of a polymer, which polymer has been obtained by subjecting a starting polymer which contains maleic anhydride monomer units and vinyl aromatic monomer units to an imidization reaction, the starting polymer containing 7-50 mole % maleic anhydride monomer units and the imidization reaction having been carried out in such a way that at most 75% of the maleic anhydride monomer units has been imidized.Type: GrantFiled: September 1, 2000Date of Patent: June 18, 2002Assignee: DSM N.V.Inventors: Hendrik J. Van Den Berg, Mathijs H. G. Maassen, Laurentius W. Steenbakkers
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Patent number: 6365650Abstract: An adhesive suitable for bonding wood is both heat curable and radio frequency (RF) curable. This adhesive is composed of an isocyanate-terminated prepolymer and hydrolyzed soy protein having a pH of at least about 9 and advantageously from about 9 to 11.5. The weight ratio of prepolymer to soy protein hydrolyzate ranges from about 70:30 to 90:10.Type: GrantFiled: January 24, 2001Date of Patent: April 2, 2002Assignee: Ashland Chemical CompanyInventors: Gang-Fung Chen, David E. Day, David Jones
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Patent number: 6300393Abstract: Insolubilizing agents are disclosed for pigment binders and surface sizes containing functional groups capable of reacting with carboxylic acid anhydride moieties to form chemical bonds. The insolubilizing agents are polymers or other compounds containing a plurality of carboxylic acid anhydride moieties per molecular entity. The anhydride moieties do not substantially hydrolyze or otherwise react until the paper coating is applied to the paper and dried and cured, at which time the anhydride moieties react with the functional groups of the pigment binder or surface size and render it water insoluble. A method to improve the water resistance and printability of coated paper using the insolubilizing agents of the invention is also disclosed.Type: GrantFiled: June 12, 2000Date of Patent: October 9, 2001Inventors: Alice P. Hudson, James E. Nevin
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Patent number: 6284819Abstract: The present invention provides a recording medium comprising a substrate having a glossy coating thereon, wherein the glossy coating comprises a binder and first and second groups of particles, wherein: (a) the first group comprises metal oxide particles, wherein the metal oxide particles are aggregates of smaller, primary particles, (b) the mean diameter of the primary particles is less than about 100 nm, (c) the mean diameter of the aggregates is from about 100 nm to about 500 nm, (d) the mean diameter of the particles in the second group is less than about 50% of the mean diameter of the aggregates in the first group, and (e) the ratio of particles in the first group to particles in the second group is from about 0.1:1 to about 10:1 by weight. The glossy coating of the inventive recording medium has an excellent rate of liquid absorption, a relatively high liquid absorption capacity, excellent adhesiveness, and a non-brittle, crack-resistant, glossy surface.Type: GrantFiled: July 1, 1999Date of Patent: September 4, 2001Assignee: Cabot CorporationInventors: Michael S. Darsillo, David J. Fluck, Rudiger Laufhutte
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Patent number: 6284838Abstract: A biodegradable composition, is obtained by heating a melting together at least one lignin and/or a lignin containing material with a protein. This composition may contain one or more additives. Also disclosed are articles produced with this composition.Type: GrantFiled: May 17, 1999Date of Patent: September 4, 2001Assignee: Novamont S.p.A.Inventor: Jakob Silbiger
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Patent number: 6150437Abstract: Flow improving agents for binder suspensions containing cement are described, which consist of:a) Graft polymers which have been prepared by radical grafting of a polyalkylene oxide of the general formula (I) with an ethylenically unsaturated mono- or dicarboxylic acid or the anhydride thereof, and then by derivatizing with a primary or secondary amine and/or alcohol, and also ofb) Casein.These flow improving agents have the advantage that the ability to flow is considerably improved in comparison, for example, with casein alone, and the improved ability to flow is preserved over a longer period of time.Type: GrantFiled: June 7, 1995Date of Patent: November 21, 2000Assignee: SKW Trostberg AktiengesellschaftInventors: Konrad Wutz, Alfred Kern, Josef Weichmann
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Patent number: 5990227Abstract: Disclosed herein is an ink-jet recording process which comprises applying a first liquid at least containing a water-soluble resin having at least one carboxyl group or anhydride thereof, or sulfonic group per molecule to a recording medium and then applying an ink at least comprising water, an organic solvent, a dye, an alkali-soluble resin and an alkali to the portions where the first liquid has adhered, thereby forming an image. An ink set and an instrument for use in such a process are also disclosed.Type: GrantFiled: February 19, 1997Date of Patent: November 23, 1999Assignee: Canon Kabushiki KaishaInventors: Yoshihisa Takizawa, Makoto Aoki, Yutaka Kurabayashi
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Patent number: 5902844Abstract: Methods of forming solid pharmaceutical compositions comprise solubilizing water-soluble polymers and amino acid-based components having molecular weights ranging from about 100 daltons to about 200,000 daltons or pharmaceutically acceptable salts thereof in solvents; and separating the solvents from the water-soluble polymers and the amino acid-based components or pharmaceutically acceptable salts thereof to form solid pharmaceutical compositions comprising the water-soluble polymers and the amino acid-based components or pharmaceutically acceptable salts thereof.Type: GrantFiled: February 2, 1998Date of Patent: May 11, 1999Assignee: Applied Analytical Industries, Inc.Inventor: Edward S. Wilson
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Patent number: 5446078Abstract: A biodegradable interpolymer and composition is prepared by the reactive blending of a synthetic polymer having functional groups with a naturally occurring biodegradable polymer such as a carbohydrate or protein compound. During reactive blending, the synthetic polymer can undergo a chemical reaction with the biodegradable natural polymer which results in covalent and physical bonding between the two polymers, thereby forming an interpolymer. By this process, a biodegradable interpolymer composition is produced that is suitable for molding various articles.Type: GrantFiled: March 8, 1994Date of Patent: August 29, 1995Assignee: Regents of the University of MinnesotaInventors: Utpal R. Vaidya, Mrinal Bhattacharya
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Patent number: 5399660Abstract: The invention provides a sizing agent with good stability, particularly which is rapid in getting started in the neutral zone and a method of producing the same.A sizing agent for papermaking in neutral zone is characterized by a main component of said sizing agent being selected from the group consisting of a diester of rosin-based substances having a dicarboxylic acid or acid anhydride group expressed by the following formula (I), ##STR1## (in which R.sub.1 represents a rosin acid residue or maleopimaric acid, R.sub.2 represents a dihydric alcohol residue and R.sub.3 represents a maleopimaric acid residue); and 2) a polyester reaction product expressed by the following formula (I'), ##STR2## (in which R'.sub.1 and R'.sub.5 represent a rosin acid residue or an .alpha.,.beta.-unsaturated polybasic carboxylic acid added rosin residue, at least one of them represents .alpha.,.beta.-unsaturated polybasic carboxylic acid added rosin residue, R'.sub.2 and R'.sub.4 represent polyhydric alcohol residues, R'.sub.Type: GrantFiled: April 30, 1993Date of Patent: March 21, 1995Assignee: Harima Chemicals, Inc.Inventors: Sadayuki Uchida, Tomohiko Nakata, Yoshihide Ishikawa, Masao Hamada, Shinichi Kimura, Satoru Iwasa
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Patent number: 5208075Abstract: Water-soluble or water-dispersible grafts of proteins with monoethylenically unsaturated monomers are used as sizing agents for staple fiber and filament yarns.Type: GrantFiled: May 26, 1992Date of Patent: May 4, 1993Assignee: BASF AktiengesellschaftInventors: Matthias Kroner, Manfred Niessner, Heinrich Hartmann, Dieter Voelker, Juergen Hartmann, Holger Schoepke
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Patent number: 4963604Abstract: A polymeric or plastic pigment, useful as a partial replacement for the inorganic pigment conventionally employed in paper coating compositions is disclosed. The pigment comprises a copolymer of an animal or vegetable protein and a monomer havingh a glass transition temperature (Tg) greater than about 70.degree. C. polymerized in a surfactant free system. When employed in paper coating compositions the pigment provides a coating of improved gloss and ink holdout, as compared to a coating in which the pigment composition consists only of an inorganic material. Improved water resistance, improved water holding and a potential for reduction in the coating sticking to the calender during the paper finishing process are obtained as compared to conventional polymeric pigments.Type: GrantFiled: February 24, 1989Date of Patent: October 16, 1990Assignee: Protein Technologies International, Inc.Inventors: Charles E. Coco, Lawrence M. Scacciaferro
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Patent number: 4960805Abstract: In production of a casein-type artificial key material for keyboard musical instruments, fine grains of an elastomer such as polyurethane elastomer are added to a mixture to be kneaded together so that, in the structure of the product, islanded elastomer is uniformly dispersed in the matrix of casein. Inbred brittleness of casein is much improved by inclusion of the elastomer and strong bond between casein and the elastomer well removes the danger of interface separation.Type: GrantFiled: December 28, 1988Date of Patent: October 2, 1990Assignee: Yamaha CorporationInventor: Yutaka Oshima
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Patent number: 4846890Abstract: A method of preserving agricultural products or materials such as hay and silage is disclosed. The method comprises the utilization of a composition for coating the material in order to form a water-repellent protective coating thereon. Preferably the coating includes a preserving agent, having substantial antimicrobial acitivity. Further, in some instances the coating may include an adhesive forming constituent, enabling outer layers of material to become tightly bound in the stack, bale or pile of material being treated. When the latter adhesive compositions are utilized, the treated material tends to retain its physical integrity, against loose portions becoming detached therefrom. Also disclosed are preferred compositions for achieving the methods of treatment, and also preferred methods for preparing certain of the preferred compositions.Type: GrantFiled: September 2, 1986Date of Patent: July 11, 1989Assignee: Tillin, Inc.Inventors: John O. MacFarlane, deceased, by John A. MacFarlane, executrix
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Patent number: 4801631Abstract: This invention relates to formaldehyde-free, aqueous glue dispersions which contain polyisocyanates. These systems are particularly suitable for gluing veneers and surface materials on wood and wood products. The systems are prepared from polyisocyanates in combination with extenders based on flours and cold water-soluble of hydrolyzed natural starch. In this process, polyisocyanates or aqueous dispersions thereof are added while stirring to aqueous solutions or mixtures of starch and flour.The extender-containing adhesive systems are aqueous glue dispersions having increased service life which in their preferred embodiment contain about 15 to 30% by weight of polyisocyanates, preferably polyphenyl-polymethylene polyisocyanate (PMDI), 10 to 15% by weight of starch which is soluble in cold water and 14 to 25% by weight of (cereal) flour and optionally, other additives and the appropriate quantity of water adding up to 100% by weight.Type: GrantFiled: February 6, 1987Date of Patent: January 31, 1989Assignee: Bayer AktiengesellschaftInventors: Hanns I. Sachs, Donald R. Larimer
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Patent number: 4717744Abstract: Fluorinated telomers which can be defined by the formula:R.sub.F --C.sub.m H.sub.2m --(CH.sub.2 --CR.sub.1 R.sub.2).sub.n X (I)wherein R.sub.F is a poly- or perfluorinated radical; X is iodine, chlorine or bromine; m is 0, 1 or 2; n is from 5 to 1000; R.sub.1 is hydrogen or methyl; and R.sub.2 is a --COOH or --CONR.sub.3 R.sub.4 group, R.sub.3 and R.sub.4 being hydrogen or alkyl or hydroxyalkyl radicals, such telomers being obtained by free radical reaction of an ethylenic monomer CH.sub.2 .dbd.CR.sub.1 R.sub.2 with a fluorinated telogen R.sub.F --C.sub.m H.sub.2m --X, and being excellent surfactants in aqueous media with special usefulness as additives to fire-fighting protein-based emulsifiers.Type: GrantFiled: December 24, 1985Date of Patent: January 5, 1988Assignee: AtochemInventors: Bernard Boutevin, Yves Pietrasanta, Mohamed Taha, Andre Lantz
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Patent number: 4675351Abstract: An adhesive formulation useful for applying a paper label to a glass bottle, having the tack and rheology making it suitable for use in modern labeling equipment, and imparting water immersion resistance in ice water for a period of at least 72 hours. Based on soy protein isolate; does not use casein.Type: GrantFiled: January 16, 1986Date of Patent: June 23, 1987Assignee: Borden, Inc.Inventor: Orville E. Brown
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Patent number: 4656218Abstract: A repeatedly usable and releasable sheet is coated thereon with an adhesive copolymer microspheres-containing aqueous suspension and polymer microparticles prepared by polymerization of one or more vinyl monomers. In the presence of a protective colloid comprising casein, the microspheres is prepared by aqueous suspension polymerization of (a) from 70 to 99.9 percent by weight of one or more monomers selected from the group consisting of alkyl acrylate esters and alkyl methacrylate esters, (b) from 0.1 to 10 percent by weight of one or more .alpha.-monoolefin carboxylic acids and (c) from 0 to 29.9 percent by weight of one or more vinyl monomers other than the foregoing (a) and (b).Type: GrantFiled: June 4, 1986Date of Patent: April 7, 1987Assignees: Sanyo Kokusaku Pulp Co., Ltd., Saiden Chemical Industry Co., Ltd.Inventor: Toru Kinoshita
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Patent number: 4645783Abstract: A repeatedly usable and releasable sheet is coated thereon with an adhesive copolymer microspheres-containing aqueous suspension and polymer microparticles prepared by polymerization of one or more vinyl monomers. In the presence of a protective colloid comprising casein, the microspheres is prepared by aqueous suspension polymerization of (a) from 70 to 99.9 percent by weight of one or more monomers selected from the group consisting of alkyl acrylate esters and alkyl methacrylate esters, (b) from 0.1 to 10 percent by weight of one or more .alpha.-monoolefin carboxylic acids and (c) from 0 to 29.9 percent by weight of one or more vinyl monomers other than the foregoing (a) and (b).Type: GrantFiled: February 8, 1985Date of Patent: February 24, 1987Assignees: Sanyo Kokusaku Pulp Co., Saiden Chemical Industry, Co., Ltd.Inventor: Toru Kinoshita
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Patent number: 4638024Abstract: A polymer composition of excellent compatibility which comprises a block copolymer containing a polyvinyl alcohol polymer unit as one constituent and a polymer unit having an ionic group as another constituent, and protein. It is suitable, especially when the protein is gelatin, for making a photographic emulsion, microcapsules, or a photosensitive material, among others.Type: GrantFiled: May 3, 1985Date of Patent: January 20, 1987Assignee: Kuraray Co., Ltd.Inventors: Toshiaki Sato, Junnosuke Yamauchi, Takuji Okaya
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Patent number: 4585815Abstract: A stencil printing ink is described, comprising 0.5 to 20% by weight pigment, 5 to 30% by weight extender pigment, 0.5 to 5% by weight water-soluble polymer (the viscosity of its 10% aqueous solution is at least 40 cps), 3 to 15% by weight (calculated as solids) o/w type resin emulsion, 5 to 20% by weight polyhydric alcohol and water. This ink can produce printed images without being affected by printing conditions such as temperature and application pressure. Thus, it is suitably used in stencil printing for non-professional or unskilled people.Type: GrantFiled: December 12, 1983Date of Patent: April 29, 1986Assignee: Pilot Ink Co., Ltd.Inventors: Yoshiaki Ono, Takeshi Teranishi
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Patent number: 4542178Abstract: For the thermoplastic processing of polyvinyl alcohol, the processing temperature must be below the decomposition temperature of the polyvinyl alcohol; this is attained by incorporating plasticizers. For preparing a plasticizer-containing granular polyvinyl alcohol wherein the plasticizer is homogeneously distributed, there is used as starting material a granular polyvinyl alcohol consisting substantially of particles having a definite diameter. The plasticizer is incorporated in the presence of a small amount of water insufficient to dissolve the polyvinyl alcohol, and the temperature is adjusted in a definite manner during the mixing operation. Simultaneous presence of fine particles of a high molecular weight organic compound soluble or dispersible in water is advantageous. The plasticizer-containing granular polyvinyl alcohol is suitable for the manufacture of any shaped articles, especially films and sheets.Type: GrantFiled: December 2, 1983Date of Patent: September 17, 1985Assignee: Hoechst AktiengesellschaftInventors: Wolfgang Zimmermann, Albrecht Harreus
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Patent number: 4542065Abstract: Treated glass fibers having improved utilization of silane coupling agents are produced which have good strand handling and processing properties and which result in reinforced polymeric materials having good strength properties and good UV color stability. The treated glass fibers having an aqueous treating composition present on a substantial portion of the surface of the glass fibers, wherein the aqueous chemical treating composition has an aqueous dispersion of an internally silylated polyurethane polymer having siliconate anions and one or more dispersing agents in at least an effective dispersing amount, and water in an amount to give a total solids for the aqueous chemical composition for treatment of the glass fibers. The one or more dispersing agents, can be present as external dispersing agents in which case their amounts could be both an effective dispersing amount and an effective lubricating amount.Type: GrantFiled: May 21, 1984Date of Patent: September 17, 1985Assignee: PPG Industries, Inc.Inventor: Peter C. Gaa
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Patent number: 4440884Abstract: An aqueous adhesive, resistant to humidity and water, which debonds in the presence of strong base, comprises finely divided aluminum, a natural product bonding agent and water.Type: GrantFiled: October 20, 1982Date of Patent: April 3, 1984Assignee: H. B. Fuller CompanyInventor: Leonard C. Jannusch
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Patent number: 4432797Abstract: A water borne wood stain resistant to pigment settling prior to use. A preferred formulation contains the following components in approximate parts by weight:______________________________________ Component Amount ______________________________________ Film forming resin 5-8 Pigment 5-15 Water thickener 0.5-2 Water 89.Type: GrantFiled: March 11, 1982Date of Patent: February 21, 1984Assignee: Envirosol Systems International, Ltd.Inventors: Ramesh C. Vasishth, Robert S. Wang
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Patent number: 4431757Abstract: The invention provides an adhesive composition of the two-part separate application type comprising solutions A and B. The solution A is an aqueous solution of a high polymer having an amide bond or an imide bond within the molecule, or an aqueous dispersion obtained by adding a rubber latex and/or synthetic resin emulsion to the aqueous solution of the high polymer. The solution B is an aqueous solution of a dialdehyde compound, or an aqueous solution or dispersion obtained by adding a crosslinking agent for crosslinking the high polymer of the solution A to the aqueous solution of the dialdehyde compound.Type: GrantFiled: July 19, 1982Date of Patent: February 14, 1984Assignee: Konishi Co., Ltd.Inventors: Toshinao Okitsu, Tomio Uchida
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Patent number: 4423118Abstract: A coating composition, comprising an aqueous dispersion of a pigment such as clay and a binder such as a latex of a copolymer of styrene and butadiene thickened with a water-soluble copolymer of an .alpha.,.beta.-ethylenically unsaturated carboxylic acid such as acrylic acid, an ethylenically unsaturated carboxamide such as acrylamide and an ethylenically unsaturated monomer having limited solubility in water such as acrylonitrile, is effectively employed in coating paper and other cellulosic web materials.Type: GrantFiled: August 20, 1981Date of Patent: December 27, 1983Assignee: The Dow Chemical CompanyInventors: Peter J. Corbett, Martin G. Aschwanden
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Patent number: 4395499Abstract: High strength pigment binders for paper coating having increased water retention and stability are disclosed. The coating compositions comprise an aqueous synthetic polymer latex and pigment and may contain other additives used in the art of pigmented paper coating. The latex comprises a dispersed interpolymer of a vinyl ester, a polyethylenically unsaturated comonomer and a ethylenically unsaturated mono- or dicarboxylic acid and optionally an alkyl acrylate.Type: GrantFiled: September 13, 1982Date of Patent: July 26, 1983Assignee: National Starch And Chemical CorporationInventors: Josephine M. Rosenski, Joseph M. Fernandez
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Patent number: 4385140Abstract: The present invention relates to new modified azulmic acids, several processes for their preparation and their use as intermediate products for the synthesis of numerous products.Type: GrantFiled: February 12, 1979Date of Patent: May 24, 1983Assignee: Bayer AktiengesellschaftInventors: Kuno Wagner, Kurt Findeisen