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Shanti Swarup, Allison Park US

Shanti Swarup, Allison Park, PA US

Patent application numberDescriptionPublished
20080225400PHOTOCHROMIC MATERIALS AND PHOTOCHROMIC COMPOSITIONS AND ARTICLES INCLUDING THE SAME - Photochromic materials and photochromic compositions and articles including the photochromic materials are disclosed. The photochromic materials may be the reaction product of a hyperbranched polyester polyol having, on average, at least two reactive hydroxyl groups, and at least one photochromic indeno-fused naphthopyran.09-18-2008
20080306241METHOD OF STABILIZING METAL PIGMENTS AGAINST GASSING - The present invention is directed to a passivating material suitable for passivating a metal surface. The passivating material comprises a polymer which comprises (a) at least one nitro group, and/or pyridine group, and/or phenolic hydroxyl group; and (b) at least one group selected from a phosphorous-containing group and/or a carboxylic acid group, wherein the at least one phosphorous-containing group is selected from a phosphate, a phosphite, or a non-nitrogen substituted phosphonate.12-11-2008
20100087598POLYMER AND COATING COMPOSITION COMPRISING THE SAME - The present invention is directed to a polymer comprising the reaction product of (i) a monomer comprising at least two ethylenically unsaturated double bonds; (ii) a monomer comprising a carbon atom that is connected to four moieties wherein one of said moieties comprises a hydrogen atom and the remainder of said moieties comprises an alkyl group, wherein one of the alkyl group containing moieties comprises an ethylenically unsaturated double bond, and wherein none of the alkyl group containing moieties form a cycloaliphatic ring; (iii) at least one monomer that is reactive with (i) and/or (ii); wherein the reaction product is not further reacted with any other monomer comprising an ethylenically unsaturated double bond; and wherein said reaction product comprises a reactive functional group.04-08-2010
20100119834COLOR-PLUS-CLEAR COMPOSITE COATINGS - A multi-component composite coating composition comprising an aqueous-based film-forming composition serving as a color coat or a basecoat and a polyepoxide-polyacid clearcoat is disclosed. The polyacid is made from ring opening a polybasic anhydride with a polyester polyol formed from reacting a polyol with a polycarboxylic acid having at least 20 contiguous carbon atoms between the carboxylic acid groups.05-13-2010
20100190911METHOD FOR PRODUCING A DISPERSION COMPRISING A TWO STAGE REACTION PRODUCT AND AN ASSOCIATED COATING - The present invention is directed to a method for producing a dispersion comprising: (a) forming a first reaction product by reacting: (a1) at least one monomer comprising an ethylenically unsaturated double bond; (a2) at least one carboxylic acid group-containing monomer; and (a3) at least one glycidyl ester compound; wherein the molar ratio of (a2) to (a3) is substantially 1:1; (b) forming a second reaction product in the presence of the first reaction product by reacting: (b1) at least one monomer comprising an ethylenically unsaturated double bond; and (b2) at least one carboxylic acid group-containing monomer; and (c) reacting an amine compound with the second reaction product; and wherein steps (a), (b), and (c) are conducted in a substantially solvent free environment.07-29-2010
20100190923METHOD FOR PRODUCING A DISPERSION COMPRISING A ONE STAGE REACTION PRODUCT AND AN ASSOCIATED COATING - The present invention is directed to a method for producing a dispersion comprising: (a) reacting (i) a monomer comprising an ethylenically unsaturated double bond; (ii) a carboxylic acid group-containing monomer; and (iii) a glycidyl ester compound to form a reaction product comprising a carboxylic acid group; and (b) reacting the reaction product of (a) with an amine compound; and wherein there is a molar excess of (ii) to (iii); wherein steps (a) and (b) are conducted in a substantially solvent free environment and wherein the reaction product of (b) is not further reacted with a polyester polyol.07-29-2010
20110151128ONE-COMPONENT, AMBIENT CURABLE WATERBORNE COATING COMPOSITIONS, RELATED METHODS AND COATED SUBSTRATES - Disclosed are coating compositions that can be one-component, ambient curable, and waterborne. The coating compositions include a polymer that is the reaction product of a polycarbodiimide and a ketocarboxylic acid. Also disclosed are substrates coated with a coating deposited from such compositions, as well as methods for depositing a coating on a substrate, and coated substrates.06-23-2011
20110165418MULTI-LAYER COMPOSITES FORMED FROM COMPOSITIONS HAVING IMPROVED ADHESION - Thermosetting compositions comprising an adhesion-promoting agent are disclosed. The adhesion-promoting agent is derived from boric acid or an equivalent and an ester having two or more functional groups that are derived at least in part from a 1,3-polyol.07-07-2011
20110217471ONE-COMPONENT, AMBIENT CURABLE WATERBORNE COATING COMPOSITIONS, RELATED METHODS AND COATED SUBSTRATES - Disclosed are coating compositions that can be one-component, ambient curable, and waterborne. The coating compositions include a polycarbodiimide, a carboxylic acid functional polymer, and a base. The polycarbodiimide is modified for hydrophilicity and is derived from a tetramethylxylylene diisocyanate. The base is present in the composition in an amount sufficient to provide the composition with a pH of at least 9.0.09-08-2011
20110245415PROCESS FOR FORMING A WATERBORNE COMPOSITE POLYURETHANE/ACRYLIC POLYMER DISPERSION - The present invention provides a process for forming a waterborne composite polyurethane/acrylic polymer dispersion without the use of N-methyl pyrrolidone. The process includes polymerizing a reaction mixture of polyisocyanate, polyol, and a hydroxyl and carboxylic acid functional reactant in an organic solvent medium of alkyl carbonate, then adding ethylenically unsaturated monomers and inverting the mixture into an aqueous medium. Addition polymerization is performed to yield a waterborne composite polyurethane/acrylic polymer dispersion, and any remaining alkyl carbonate is hydrolyzed. The resulting aqueous polymer dispersions are environmentally friendly and are suitable for use in coating compositions that conventionally contained similar dispersions prepared in the presence of N-methyl pyrrolidone. Comparable physical properties are observed.10-06-2011
20110281978SUBSTANTIALLY DEFECT-FREE SOUND AND VIBRATION DAMPNING COATING - The present invention is directed to a coating composition comprising: (i) an aqueous dispersion of polymeric particles; (ii) a polyether carbamate compound; (iii) a filler material; and (iv) an inorganic microparticle; and wherein after application to a substrate and after curing, the cured coating composition demonstrates a composite damping Loss Factor of 0.05 or greater at a frequency ranging from 100 to 6,300 Hz and comprises a surface that is substantially free of defects.11-17-2011
20130034741BRANCHED POLYESTER POLYMERS COMPRISING ISOPHTHALIC ACID AND COATINGS COMPRISING THE SAME - A branched polyester prepared as the reaction product of a polyacid comprising at least 90 mole % isophthalic acid, including its ester and/or anhydride, and a polyol comprising a tri- or higher-functional polyol is disclosed. Coatings comprising the same are also disclosed, as are substrates coated at least in part with such coatings.02-07-2013
20140242270METHODS FOR REPAIRING DEFECTS IN AUTOMOTIVE COATINGS - A method of repairing defects in automotive coatings is disclosed. More particularly, the invention relates to a method of repairing defects in color-clear composite coatings.08-28-2014
20140242280METHODS AND COMPOSITIONS FOR COATING SUBSTRATES - A method for applying a multilayer coating comprising a basecoat and a clearcoat is disclosed. The basecoat is a curable aqueous composition comprising (1) polymeric particles prepared from ethylenically unsaturated compounds including a multi-ethylenically unsaturated monomer and a keto or aldo-functional monomer, and (2) a polyhydrazide.08-28-2014
20140242281METHODS AND COMPOSITIONS FOR COATING SUBSTRATES - A method for applying a multilayer coating comprising a basecoat and a clearcoat is disclosed. The basecoat is a curable aqueous composition comprising (1) polymeric particles containing carboxylic acid functionality and prepared from ethylenically unsaturated compounds including a multi-ethylenically unsaturated monomer, and (2) a polycarbodiimide.08-28-2014
20140249241OPACIFYING PARTICLES WITH INTERNAL VOID AND METHODS FOR MAKING THE SAME - The invention includes a method of preparing an aqueous dispersion of particles at least partially encapsulated by a polymer, the method comprising dispersing inorganic particles in an aqueous phase; functionalizing at least a portion of the surfaces of the inorganic particles with a coupling agent, the coupling agent having pendent reactive groups; polymerizing the reactive groups on the functionalized particles with a first polymerizable component to produce inner polymer shells surrounding the inorganic particles; polymerizing a second polymerizable component to form outer polymer shells at least partially encapsulating the inner polymer shells; and producing voids within the outer polymer shells, such that the inorganic particles are received within the voids.09-04-2014
20140272419HEAT SENSITIVE SUBSTRATES COATED WITH WATERBORNE COATING COMPOSITIONS - The present invention is directed to a coated substrate comprising: 09-18-2014
20140377468METHODS AND COMPOSITIONS FOR COATING SUBSTRATES - A method for applying a multilayer coating comprising a basecoat and a clearcoat is disclosed. The basecoat is a curable aqueous composition comprising (1) polymeric particles prepared from ethylenically unsaturated compounds including a multi-ethylenically unsaturated monomer and a keto or aldo-functional monomer, and (2) a polyhydrazide. A hydrophobic polymer is present in the aqueous composition to improve its humidity resistance.12-25-2014

Patent applications by Shanti Swarup, Allison Park, PA US

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