Patents Examined by Patrick D. Niland
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Patent number: 7232859Abstract: The present invention is to a polyurethane dispersion and products produced therefrom wherein the dispersion contains a polyurethane prepolymer produced from the a reaction of an excess of a polyisocyanate with an isocyanate reactive molecule wherein the polyisocyanate is a bis(isocyanatomethyl)cyclohexane. Preferably the isocyanate comprises (i) trans-1,4-bis(isocyanatomethyl)cyclohexane or (ii) an isomeric mixture of two or more of cis-1,3-bis(isocyanatomethyl)cyclohexane, trans-1,3-bis(isocyanatomethyl)cyclohexane, cis-1,4-bis(isocyanatomethyl)cyclohexane and trans-1,4-bis(isocyanatomethyl)cyclohexane, with the proviso said isomeric mixture comprises at least about 5 weight percent of said trans-1,4-bis(isocyanatomethyl)cyclohexane.Type: GrantFiled: October 28, 2003Date of Patent: June 19, 2007Assignee: Dow Global Technologies Inc.Inventors: John N. Argyropoulos, Paul Foley, Debkumar Bhattacharjee, Bedri Erdem
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Patent number: 7223478Abstract: Aqueous polyurethane formulations, their use and substrates which are coated with such formulations are described.Type: GrantFiled: May 2, 2003Date of Patent: May 29, 2007Assignee: BASF AktiengesellschaftInventors: Reinhard Treiber, Karl Haeberle, Klaus Dieter Hoerner, Rudolf Bingemann, Bruno Hofer
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Patent number: 7217761Abstract: The invention relates to the use of a compound with an alkylene oxide chain as a thickener of aqueous compositions, containing a filler and/or pigmented, white or colored, with the aim of supplying pigmentary compositions for paint which provide excellent pigmentary compatibility and a high viscosity at small and medium shear stress gradient. The invention also relates to the said non-ionic thickener as well as the aqueous composition, containing a filler and/or pigmented, white or colored, containing same.Type: GrantFiled: June 6, 2002Date of Patent: May 15, 2007Assignee: Coatex S.A.S.Inventors: Denis Ruhlmann, Jean-Marc Suau
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Patent number: 7216976Abstract: An impact strength synthetic resin lens is provided in which transparency of a synthetic resin lens material of a polyurethane and releasability are improved to improve productivity and no stria are produced. The impact strength synthetic resin lens is manufactured by casting and curing a polyurethane resin composition which a polyurethane resin composition for molding optical lenses, comprising, as essential components, a prepolymer obtained by reacting an alicyclic polyisocyanate having two or more isocyanate groups with a polyol having two or more hydroxy groups, an internal mold lubricant and a decolored aromatic diamine.Type: GrantFiled: April 10, 2003Date of Patent: May 15, 2007Assignee: Talex Optical Co., Ltd.Inventors: Kanichi Tamura, Shoichi Mitsuuchi, Chung-Tang Chang
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Patent number: 7214736Abstract: Fluorochemical composition for rendering fibrous substrates oil repellent, water repellent, and/or stain or soil repellent. The composition comprises a dispersion or a solution of a fluorinated compound which comprises the reaction product of the following combination of reactants: (i) a fluorinated polyether according to the formula: Rf—Q—Tk ??(I) ?wherein Rf represents a monovalent perfluorinated polyether group having a molecular weight of at least 750 g/mol, Q represents a chemical bond or a divalent or trivalent organic linking group, T represents a functional group capable of reacting with an isocyanate and k is 1 or 2; (ii) an isocyanate component selected from a polyisocyanate compound that has at least 3 isocyanate groups or a mixture of polyisocyanate compounds wherein the average number of isocyanate groups per molecule is more than 2; and (iii) optionally one or more co-reactants capable of reacting with an isocyanate group.Type: GrantFiled: May 23, 2003Date of Patent: May 8, 2007Assignee: 3M Innovative Properties CompanyInventors: Frans A. Audenaert, Rudolf J. Dams, Richard S. Buckanin, Cheryl L. S. Elsbernd, Chetan P. Jariwala, E. Steven McAlister, Pierre J. Vander Elst
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Patent number: 7211615Abstract: A composition containing from 88 to 99.99% by weight of a polyamide, a compound of a polyamide and mixtures of these, and from 0.01 to 0.25% by weight of a flow aid where the drying loss from the flow aid after 5 days of conditioning at a relative humidity of 95% is less than or equal to 1%, determined by ISO 787/2.Type: GrantFiled: November 5, 2003Date of Patent: May 1, 2007Assignee: Degussa AGInventors: Franz-Erich Baumann, Sylvia Monsheimer, Maik Grebe, Wolfgang Christoph, Dirk Heinrich, Holger Renners, Heinz Scholten, Thomas Schiffer, Joachim Muegge, Johannes Chiovaro
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Patent number: 7205356Abstract: Catalysts for the accelerated curing of polyisocyanates with polyols, and to polyurethane systems comprising these. The catalysts are used in a two-component coating system based on polyurethanes including (a) polyisocyanates, (b) compounds having groups which are reactive with isocyanates, in water and optionally in the presence of organic solvents or solvent mixtures, (c) one or more compounds of elements of Group VB or Group VIB of the Periodic Table, in which the element in each case has an oxidation state of at least +4, and (d) optionally further additives and auxiliary agents. The coating systems are used in lacquers, paints and adhesives.Type: GrantFiled: February 18, 2004Date of Patent: April 17, 2007Assignee: Bayer Materialscience AGInventors: Christoph Gürtler, Raul Pires, Heinrich Dornbusch
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Patent number: 7202302Abstract: Polyisocyanurate systems, pultrusion of those systems to produce reinforced polyisocyanurate matrix composites, and to composites produced thereby. The polyisocyanurate systems include a polyol component, an optional chain extender, and an isocyanate. The polyisocyanurate systems have extended initiation times of about 5 minutes to about 30 minutes at room temperature, and can be snap cured.Type: GrantFiled: November 17, 2003Date of Patent: April 10, 2007Assignee: Huntsman International LLCInventors: Evan H. Cheolas, Berend Eling, Ravi R. Joshi, Alan McClelland, Ajay Padsalgikar, Andreas H. Rothacker
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Patent number: 7199184Abstract: Aqueous stoving enamels containing resins A which have hydroxyl groups and are made hydrophilic by partially neutralized acid groups, and highly etherified aminoplasts B, characterised in that the aqueous solutions or dispersions of the resin have a pH value of 6 or below, a method for the preparation thereof, and a method of use comprising coating thermally sensitive substrates.Type: GrantFiled: September 21, 2004Date of Patent: April 3, 2007Assignee: Surface Specialties Austria GmbHInventors: Markus A. Schafheutle, Julius Burkl, Anton Arzt, Gerlinde Petritsch, Rudolf Jedlicka, Joerg Wango
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Patent number: 7199186Abstract: A carbon-phenol resin molding compound is provided, which is preferably used to obtain molded articles having high electrical and thermal conductivities as well as good mechanical strength. The resin molding compound is prepared by reacting a phenol with an aldehyde in the presence of a catalyst, while mixing them with a carbon powder such that a content of the carbon powder in the molding compound is 75 wt % or more. The catalyst is at least one selected from tertiary amines, carbonates, hydroxides and oxides of alkali metals or alkali earth metals.Type: GrantFiled: August 5, 2002Date of Patent: April 3, 2007Assignees: Lignyte Co., Ltd., Nippon Pillar Packing Co., Ltd.Inventors: Isamu Ide, Masanobu Nishikawa, Hisato Higuchi, Tsunemori Yoshida, Katsunori Sugita
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Patent number: 7199181Abstract: A stabilizer composition is described and comprises a 2-cyano-3,3-diarylacrylate, a sterically hindered monomeric amine, a sterically hindered phenol and, where appropriate, a chromane derivative and/or an organic phosphite and/or phosphonite. The stabilizer composition is particularly suitable for stabilizing thermoplastic polyurethane with respect to light, oxygen, and heat.Type: GrantFiled: December 13, 2002Date of Patent: April 3, 2007Assignee: BASF AktiengesellschaftInventors: Thomas Heidenfelder, Manfred Appel
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Patent number: 7196135Abstract: A stabilizer composition is described and comprises a 3-arylacrylate, a polymeric compound with molecular weight at least 2000, bearing, on a polymeric framework, side groups having amine functions, where all of the substituents in the ?-position to the amine nitrogen atom are other than hydrogen, and comprises a sterically hindered phenol. The stabilizer composition is particularly suitable for stabilizing thermoplastic polyurethane with respect to light, oxygen, and heat.Type: GrantFiled: December 13, 2002Date of Patent: March 27, 2007Assignee: BASF AktiengesellschaftInventors: Thomas Heidenfelder, Manfred Appel
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Patent number: 7193005Abstract: Aqueous polymer dispersions comprising a) 50–70% by weight of polymer particles composed of at least two different (co)polymers having glass transition temperatures each above 50° C. and synthesized from at least 80% by weight of at least one principal monomer, 0.1–10% by weight of at least one auxiliary monomer, and 0–3% by weight of at least one crosslinker molecule, the difference in the glass transition temperatures (Tg) of the different polymers being at least 10° C., and b) 30–50% by weight of at least one polyfunctional (meth)acrylate, the dispersion a) being subjected to physical and/or chemical deodorization.Type: GrantFiled: May 21, 2003Date of Patent: March 20, 2007Assignee: BASF AktiengesellschaftInventors: Joerg Leuninger, Wolfgang Paulus, Anke Mueller
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Patent number: 7192993Abstract: A liquid self-healing coating, incorporating microcapsules filled with tailored repair formulations, repairs itself upon physical compromise after curing. In one embodiment, a commercially available paint primer is mixed with a pre-specified amount of these microcapsules. After the coating has cured on the substrate to which it is applied, any physical compromise of the cured coating results in the microcapsules bursting to release a liquid that fills and seals the compromised volume of the coating. In applications where paint is used to provide corrosion protection, the liquid contains anti-corrosion material as well as suitable diluents and film-forming compounds. In another embodiment, the microcapsules may be provided separately to enhance commercially available products.Type: GrantFiled: March 4, 2003Date of Patent: March 20, 2007Assignee: The United States of America as represented by the Secretary of the ArmyInventors: Srinivasan Sarangapani, Ashok Kumar, Curtis Thies, Larry D. Stephenson
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Patent number: 7193011Abstract: The present invention relates to a method of preparing water-dispersible poly (urethane-urea) having aliphatic-aromatic isocyanate, more particularly to a method of preparing water-dispersible poly (urethane-urea) having aliphatic-aromatic isocyanate, with improved mechanical/thermal properties, such as heat resistance, chemical resistance and adhesion, good cost competitiveness and environmental friendliness, by reacting polyester polyol, dimethylol propionic acid and an aromatic isocyanate compound to obtain a hydroxyl (OH)-terminated prepolymer, adding an aliphatic isocyanate compound to said OH-terminated prepolymer to obtain an isocyanate (NCO)-terminated prepolymer wherein aromatic-aliphatic isocyanate is hybridized, neutralizing, water-dispersing and chain extending said NCO-terminated prepolymer.Type: GrantFiled: June 24, 2004Date of Patent: March 20, 2007Assignee: Yonsei UniversityInventors: Jung Hyun Kim, In Woo Cheong, Kyoung Min Ahn
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Patent number: 7189777Abstract: A polyester composition, a preform, and a bottle, containing a polyester such as polyethylene terephthalate or polyethylene naphthalate and activated carbon to enhance the rate for reheating the composition is provided. Activated carbon may be added in the presence of active phosphorus containing compounds, or at any stage in the melt phase after prepolymerization and after the polyester polymer is solidified. Polyester concentrates containing activated carbon may be added to bulk polyesters to make preforms suitable for blowing into bottles.Type: GrantFiled: June 9, 2003Date of Patent: March 13, 2007Assignee: Eastman Chemical CompanyInventors: Donna Rice Quillen, Earl Edmondson Howell, Jr.
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Patent number: 7189781Abstract: Sealant composition comprising at least one of a) a moisture curable, radiation curable polyurethane prepolymer or b) a blend comprising a moisture curable polyurethane prepolymer and a radiation curable prepolymer. Also disclosed are insulating glass assemblies that use such dual-cure sealant compositions.Type: GrantFiled: March 13, 2003Date of Patent: March 13, 2007Assignee: H.B. Fuller Licensing & Finance Inc.Inventors: Margarita Acevedo, Mai T. Nguyen-Misra
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Patent number: 7189682Abstract: A composition of the following components: an oil of lubricating viscosity; a polymethacrylate viscosity modifier; an ester of a maleic acid/styrene copolymer; and optionally, an additive package that imparts to the fluid the capacity to meet bench and dynamometer tests specified by an equipment manufacturer, is suitable for use as a functional fluid such as a tractor hydraulic fluid, under a wide variety of climatic conditions.Type: GrantFiled: April 4, 2002Date of Patent: March 13, 2007Assignee: The Lubrizol CorporationInventor: Richard E. Gapinski
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Patent number: 7189772Abstract: The invention provides for thickeners for inks and coating materials, comprising polyurethanes, water, viscosity regulators, and, if desired, organic solvents, wherein said viscosity regulators comprise compounds of the general formula (I) R1—O—(SO)a—(EO)b—(PO)c—(BO)d-(DTO)e—R2 in which R1 and R2 independently of one another are one of the radicals from the group consisting of hydrogen, an aliphatic or cycloaliphatic hydrocarbon radical which optionally is substituted and/or contains multiple bonds and/or contains heteroatoms, an aromatic radical which optionally is substituted and/or contains heteroatoms, an acyl radical, a carboxyacyl radical, and a carboxyalkyl radical, a=1 to 5, b=3 to 30, c=0 to 5, d=0 to 5, and e=0 to 5 where (a+c+d+e)<=b.Type: GrantFiled: September 25, 2003Date of Patent: March 13, 2007Assignee: Goldschmidt GmbHInventors: Sandra Bauer, Eberhard Esselborn, Stefan Silber
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Patent number: 7186771Abstract: An air drying waterborne resin composition is disclosed. Said resin composition comprises at least one amphiphlic air drying dendritic polymer, at least one non-amphiphilic air drying alkyd resin, at least one drier initiating and/or promoting autoxidation, and water, and optionally at least one anionic and/or nonionic surfactant, and/or at least one coalescent agent. Said at least one amphiphilic air drying dendritic polymer is built up from a polyhydric dendritic core polymer having terminal hydroxyl groups and at least one unsaturated carboxylic acid and at least one adduct, obtainable by addition of a monoalkylated polyethylene glycol to a dicarboxylic acid or anhydride and/or a diisocyanate, each bonded to at least one terminal hydroxyl group in said polyhydric dendritic core polymer.Type: GrantFiled: October 16, 2003Date of Patent: March 6, 2007Assignee: Perstorp Specialty Chemicals ABInventors: Bo Haggman, Hakan Bjornberg, Birger Midelf, David James