Patents Assigned to Chemtura Corporation
  • Patent number: 7731880
    Abstract: Provided is a composition comprising fatty acid bis-amide, inorganic particulate such as pumice, cellulosic particulate, thermoplastic and maleic anhydride grafted polyolefin. The combination of an ethylene bis-amide and a minor amount of pumice produces cellulosic-thermoplastic composite that has superior extrusion properties over conventional metal stearate/ethylene bis-stearamide (EBS) compositions such as improved flex strength and resistance to water absorption.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: June 8, 2010
    Assignee: Chemtura Corporation
    Inventors: William D. Sigworth, Robert G. Rowland, Mark Richardson
  • Patent number: 7728083
    Abstract: Disclosed herein is a method for inhibiting and retarding the premature polymerization and the polymer growth of vinyl aromatic monomers wherein the method comprises adding to said monomers an effective amount of an inhibitor and retarder blend comprising: (A) at least one aromatic sulfonic acid; (B) at least one amine; (C) at least one nitrophenol; and (D) at least one member of the group consisting of nitroxy radical-containing compounds and nitrosoanilines.
    Type: Grant
    Filed: January 27, 2010
    Date of Patent: June 1, 2010
    Assignee: Chemtura Corporation
    Inventors: Vilan Kosover, Jesus R. Fabian, Istvan Lippai, Brigitte Benage, Gerald J. Abruscato
  • Publication number: 20100130396
    Abstract: The invention relates to antioxidant compositions for lubricants and organic polymers comprising a first antioxidant comprising a reaction product of p-cresol, dicyclopentadiene and isobutylene; and a second antioxidant comprising a diarylamine. The first antioxidant preferably has the structure: wherein n is 0-50, and R1 and R2 are independently hydrogen, a straight or branched C1-C30 alkyl or alkylene group optionally substituted with one or more substituents, C3-C12 cycloalkyl, C5-C12 aryl, or C6-C12 alkylaryl. The second antioxidant preferably has the formula: (R3)a—Ar1—NH—Ar2—(R4)b wherein Ar1 and Ar2 are independently aromatic hydrocarbon groups and R3 and R4 are independently hydrogen or hydrocarbyl groups having from 6 to about 100 carbon atoms and a and b are independently 0 to 3 but (a+b) is not greater than 4.
    Type: Application
    Filed: November 24, 2008
    Publication date: May 27, 2010
    Applicant: CHEMTURA CORPORATION
    Inventor: Jun Dong
  • Publication number: 20100127218
    Abstract: Disclosed herein is a method for inhibiting and retarding the premature polymerization and the polymer growth of vinyl aromatic monomers wherein the method comprises adding to said monomers an effective amount of an inhibitor and retarder blend comprising: (A) at least one aromatic sulfonic acid; (B) at least one amine; (C) at least one nitrophenol; and (D) at least one member of the group consisting of nitroxy radical-containing compounds and nitrosoanilines.
    Type: Application
    Filed: January 27, 2010
    Publication date: May 27, 2010
    Applicant: CHEMTURA CORPORATION
    Inventors: VILAN KOSOVER, JESUS R. FABIAN, ISTVAN LIPPAI, BRIGITTE BENAGE, GERALD J. ABRUSCATO
  • Patent number: 7723433
    Abstract: A clear, impact modified, heat resistant polyvinyl chloride composition is provided comprising (a) at least one polyvinyl halide; (b) at least one clear impact modifier possessing a refractive index which is not more than about 2% above or below the refractive index of the polyvinyl halide; and (c) at least one clear heat modifier comprising a terpolymer obtained by the copolymerization of a vinyl aromatic monomer, an acrylonitrile and an alkyl acrylate or alkyl methacrylate, wherein the terpolymer possesses a refractive index which is not more than about 2% above or below the refractive index of the polyvinyl halide and possesses a weight average molecular weight ranging from about 75,000 to about 400,000.
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: May 25, 2010
    Assignee: Chemtura Corporation
    Inventors: Larry B. Simmons, George P. McCarty
  • Patent number: 7718756
    Abstract: A process for preparing a polybromoaryl ether, comprising adding to a solvent for the polybromoaryl ether a mixture of (1) at least one compound of the structure HO—Ar—X1, X2, X3, X4, X5, wherein Ar is an aryl group and X1, X2, X3, X4, and X5 are independently selected from hydrogen and bromine, provided that at least one of X1, X2, X3, X4, and X5 is bromine, (2) at least one alkali or alkaline metal hydroxide, and (3) at least one polymerization initiator, wherein the solvent for the polybromoaryl ether is a non-solvent for alkali metal bromides.
    Type: Grant
    Filed: April 14, 2009
    Date of Patent: May 18, 2010
    Assignee: Chemtura Corporation
    Inventors: Larry D. Timberlake, William R. Fielding, Sumit Mathur, Mark V. Hanson
  • Publication number: 20100120990
    Abstract: A controlled molecular weight polymer of styrene is provided having bromine substituted thereon. Control of molecular weight is achieved by the use of alpha-methyl styrene dimer as a chain transfer agent. The brominated polymer of styrene is useful as a flame retardant, particularly for polyamides giving improved properties including color retention after molding.
    Type: Application
    Filed: January 20, 2010
    Publication date: May 13, 2010
    Applicant: Chemtura Corporation
    Inventors: Wayne MEYER, Jennifer L. BOHAN, Larry D. TIMBERLAKE, James D. SIEBECKER
  • Publication number: 20100117022
    Abstract: A polyol ester suitable for use as a lubricant or a lubricant base stock has a kinematic viscosity at 40° C. less than or equal to 22 cSt and a viscosity index of greater than or equal to 140. The ester comprises a reaction product of (a) at least one polyhydric alcohol having at least 2 primary hydroxyl groups, (b) at least one monocarboxylic acid having 2 to 15 carbon atoms and (c) at least one polycarboxylic acid having 2 to 15 carbon atoms, wherein the number of acid groups derived from the polycarboxylic acid(s) is at least 25% of the total number of acid groups derived from the monocarboxylic and polycarboxylic acids.
    Type: Application
    Filed: October 8, 2009
    Publication date: May 13, 2010
    Applicant: CHEMTURA CORPORATION
    Inventors: Dale Carr, Jeffrey Hutter, Edward T. Hessell, Richard Kelley
  • Patent number: 7704931
    Abstract: A lubricant composition is disclosed that comprises lubricating oil and a mixture of at least two antioxidants, the first antioxidant being a secondary diarylamine and the second antioxidant being a substituted para-phenylenediamine. Also disclosed is a method of increasing the oxidation stability of a lubricating oil comprising adding thereto at least two antioxidants, the first antioxidant being a secondary diarylamine and the second antioxidant being a substituted para-phenylenediamine.
    Type: Grant
    Filed: June 3, 2005
    Date of Patent: April 27, 2010
    Assignee: Chemtura Corporation
    Inventors: Jun Dong, Cyril A. Migdal
  • Patent number: 7704929
    Abstract: Diraromatic amine derivatives having the general formula: wherein n is from 0 to 5; m is from 0 to 4; each R substituent is independently hydrogen or a straight or branched C1-C32 alkyl group or alkenyl group or two R substituents together with the carbon atom to which they are bonded are joined together to form an unsaturated, partially saturated or saturated C3-C30 ring structure optionally containing one or more heteroatoms, each R1 substituent is independently hydrogen or a straight or branched C1-C32 alkyl group or alkenyl group and R2, R3, R4, R5, R6 and R7 are independently hydrogen or a straight or branched C1-C32 alkyl group or alkenyl group optionally containing a functional group are provided. Also provided are lubricating oil compositions containing the diraromatic amine derivatives.
    Type: Grant
    Filed: January 4, 2006
    Date of Patent: April 27, 2010
    Assignee: Chemtura Corporation
    Inventor: Theodore E. Nalesnik
  • Publication number: 20100093897
    Abstract: A method for inhibiting the premature polymerization and the polymer growth of ethylenically unsaturated monomers is disclosed wherein the method comprises adding to said monomers an effective amount of at least one hydrogen donor or electron acceptor. In a preferred embodiment, the hydrogen donor or electron acceptor is used in combination with a stable nitroxyl free radical.
    Type: Application
    Filed: October 20, 2009
    Publication date: April 15, 2010
    Applicant: Chemtura Corporation
    Inventors: Brigitte BENAGE, Gerald J. ABRUSCATO, David J. SIKORA, Ruben S. GREWAL
  • Patent number: 7691954
    Abstract: A controlled molecular weight polymer of styrene is provided having bromine substituted thereon. Control of molecular weight is achieved by the use of alpha-methyl styrene dimer as a chain transfer agent. The brominated polymer of styrene is useful as a flame retardant, particularly for polyamides giving improved properties including color retention after molding.
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: April 6, 2010
    Assignee: Chemtura Corporation
    Inventors: Wayne Meyer, Jennifer L. Bohan, Larry D. Timberlake, James D. Siebecker
  • Patent number: 7691947
    Abstract: A controlled molecular weight polymer of styrene is provided having bromine substituted thereon. Control of molecular weight is achieved by the use of alpha-methyl styrene dimer as a chain transfer agent. The brominated polymer of styrene is useful as a flame retardant, particularly for polyamides giving improved properties including color retention after molding.
    Type: Grant
    Filed: May 18, 2009
    Date of Patent: April 6, 2010
    Assignee: Chemtura Corporation
    Inventors: Wayne Meyer, Jennifer L. Bohan, Larry D. Timberlake, James D. Siebecker
  • Patent number: 7691794
    Abstract: Disclosed herein are reaction products of an acidic organic compound, a boron compound, and an alkoxylated amine and/or alkoxylated amide. Also disclosed are lubricating oil compositions and fuel compositions containing the reaction products.
    Type: Grant
    Filed: January 4, 2006
    Date of Patent: April 6, 2010
    Assignee: Chemtura Corporation
    Inventor: Ronald J. Muir
  • Patent number: 7691952
    Abstract: Disclosed herein is a method for inhibiting and retarding the premature polymerization and the polymer growth of ethylenically unsaturated monomers comprising adding to said monomers an effective amount of at least one inhibitor that is a sulfonated nitrophenol of the formula: wherein: R1, R2, and R3 are independently selected from the group consisting of hydrogen, alkyl, NO2, and SO3H, provided that at least one of R1, R2, and R3 is NO2 and at least one of R1, R2, and R3 is SO3H. In a preferred embodiment, at least one additional inhibitor selected from the group consisting of nitroxyl compounds, nitrosoanilines, nitrophenols, amines, and mixtures thereof is also added.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: April 6, 2010
    Assignee: Chemtura Corporation
    Inventors: Vilan Kosover, Jesus A. Fabian, Istvan Lippai, Brigitte Benage, Gerald J. Abruscato
  • Patent number: 7691793
    Abstract: A composition is disclosed that comprises the reaction product of an acidic organic compound and a boron compound. The composition is useful as a detergent additive for lubricants and hydrocarbon fuels.
    Type: Grant
    Filed: May 9, 2005
    Date of Patent: April 6, 2010
    Assignee: Chemtura Corporation
    Inventor: Ronald J. Muir
  • Patent number: 7687581
    Abstract: Supported heterogeneous organotin catalysts of the formula X1, X2, or X3: wherein Z is a spacer group; Y is an insoluble phenyl-group containing copolymer; R1, R2, R3, R5, and R6 are independently selected from halogen, alkyl, alkylene, phenyl, vinyl, allyl, naphthyl, aralkyl, and Z; and R4 is alkyl, alkylene, phenyl, vinyl, allyl, naphthyl, or aralkyl.
    Type: Grant
    Filed: April 5, 2005
    Date of Patent: March 30, 2010
    Assignee: Chemtura Corporation
    Inventors: Uwe Schneider, Bernard Jousseaume, Karine Darriet, Thierry Toupance
  • Publication number: 20100076125
    Abstract: A composition at least two different phosphites, one of which is derived from an alkylated cresol, wherein the composition is a liquid at ambient conditions. The other phosphites may be derived from alkylated cresol, alkylated phenol or other alkylated hydroxyaryl compounds. The cresol may be mono-alkylated or di-alkylated with a C1-C18 alkyl group.
    Type: Application
    Filed: July 31, 2009
    Publication date: March 25, 2010
    Applicant: Chemtura Corporation
    Inventors: Michael E. Gelbin, Maurice Power, Jonathan Hill
  • Publication number: 20100076131
    Abstract: Alkylate compositions comprising a monobutylphenol in an amount ranging from 50 weight percent to 99 weight percent and a dibutylphenol in an amount ranging from 1 weight percent to 50 weight percent, the weight percentages being based on the total weight of all components in the alkylate composition. The invention is also to processes for making such alkylate compositions and to processes for forming stable liquid butylaryl phosphite compositions from such alkylate compositions.
    Type: Application
    Filed: July 31, 2009
    Publication date: March 25, 2010
    Applicant: Chemtura Corporation
    Inventors: Michael E. Gelbin, Maurice Power, Jonathan Hill
  • Publication number: 20100069542
    Abstract: Alkylate compositions comprising a monoamylphenol in an amount ranging from 25 weight percent to 99 weight percent and a diamylphenol in an amount ranging from 1 weight percent to 60 weight percent, the weight percentages being based on the total weight of all components in the alkylate composition. The invention is also to processes for making such alkylate compositions and to processes for forming stable liquid amylaryl phosphite compositions from such alkylate compositions.
    Type: Application
    Filed: July 31, 2009
    Publication date: March 18, 2010
    Applicant: Chemtura Corporation
    Inventors: Michael E. Gelbin, Maurice Power, Jonathan Hill