Patents Assigned to Crompton Corporation
  • Patent number: 8097731
    Abstract: A composition comprising: (A) a lubricant, and (B) at least one alcohol that is the reaction product of mercaptobenzothiazoles, mercaptothiazolines, or mercaptobenzimidazoles with various epoxies.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: January 17, 2012
    Assignee: Crompton Corporation
    Inventors: Robert G. Rowland, Ronald D. Abbott
  • Patent number: 7816308
    Abstract: Disclosed herein is a composition comprising: A) a lubricant; and B) a mixture of antioxidants, wherein said mixture is prepared by the partial condensation of an alkylated diphenylamine with an aldehyde or ketone in the presence of an acidic catalyst to yield at least one acridan of the general formula: wherein: R1, R2, R3, and R4 are independently selected from the group consisting of hydrogen, C3 to C32 alkyl, and C3 to C32 alkenyl, provided that at least one of R1, R2, R3, and R4 is not hydrogen, and R5 and R6 are independently selected from the group consisting of C1 to C20 hydrocarbyl and hydrogen; wherein, at the termination of said condensation, residual alkylated diphenylamine is not separated from the acridan product.
    Type: Grant
    Filed: April 14, 2004
    Date of Patent: October 19, 2010
    Assignee: Crompton Corporation
    Inventors: Karl J. Duyck, Theodore E. Nalesnik, John R. Baranski, Cyril A. Migdal, Rebecca F. Seibert
  • Patent number: 7781500
    Abstract: Disclosed herein is a process for preparing a composite material comprising mixing at least one natural fiber, at least one polyolefin resin, and at least one functionalized polyolefin coupling agent to provide said composite material; wherein said functionalized polyolefin coupling agent possesses a molecular weight distribution of greater than 2.5 (Mw/Mn by GPC) and comprises a base polyolefin resin that is grafted with a total of more than about 1 mmole of at least one polar monomer per 100 grams of functionalized polyolefin coupling agent.
    Type: Grant
    Filed: April 13, 2004
    Date of Patent: August 24, 2010
    Assignee: Crompton Corporation
    Inventor: William D. Sigworth
  • Patent number: 7781518
    Abstract: Disclosed herein is a composition comprising an aromatic diamine that is a solid at room temperature and a stabilizing quantity of a hindered amine light stabilizer and its use as a polyurethane curing agent.
    Type: Grant
    Filed: October 22, 2002
    Date of Patent: August 24, 2010
    Assignee: Crompton Corporation
    Inventor: Thomas H. Peter
  • Patent number: 7714050
    Abstract: A rubber composition is disclosed wherein the rubber composition contains at least (a) a rubber component; (b) a silica filler; (c) a coupling agent; (d) an effective amount of a nitrogen-containing compound; and, (e) a thiuram disulfide having a molecular weight of at least about 400.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: May 11, 2010
    Assignee: Crompton Corporation
    Inventor: Sung Whee Hong
  • Patent number: 7696290
    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: June 28, 2005
    Date of Patent: April 13, 2010
    Assignee: Crompton Corporation
    Inventors: Vilan Kosover, Jesus A. Fabian, Istvan Lippai, Brigitte Benage, Gerald J. Abruscato
  • Patent number: 7696136
    Abstract: Disclosed herein is a composition comprising: (A) a lubricant or a hydrocarbon fuel; (B) at least one hydroxy carboxylic acid ester or hydroxy polycarboxylic acid ester having the generic formula defined herein; and (C) at least one phosphorus-containing additive.
    Type: Grant
    Filed: November 1, 2004
    Date of Patent: April 13, 2010
    Assignee: Crompton Corporation
    Inventors: Cyril A. Migdal, Robert G. Rowland
  • Patent number: 7696256
    Abstract: There is presented a new flame retardant composition comprising a brominated aromatic composition and a butyl substituted phenyl phosphate.
    Type: Grant
    Filed: October 16, 2009
    Date of Patent: April 13, 2010
    Assignee: Crompton Corporation
    Inventors: Stephen B. Falloon, Richard S. Rose, Matthew D. Phillips
  • Patent number: 7592374
    Abstract: A composition of matter is disclosed that comprises a compound of the formula: wherein R1 is selected from the group consisting of unsubstituted and substituted biphenyl moieties, unsubstituted and substituted fluorenyl moieties, unsubstituted and substituted carbazolyl moieties, and unsubstituted and substituted pyridyl moieties; and R2 is hydrogen or alkyl. The compositions are useful as insecticides, acaricides, and fungicides.
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: September 22, 2009
    Assignee: Crompton Corporation
    Inventors: Mark A. Dekeyser, Sheldon B. Park, Paul T. McDonald
  • Patent number: 7585822
    Abstract: An emulsifier blend includes at least one alkali metal sulfonate and at least one alkali metal alkyl salicylate. The emulsifier blend can be combined with a lubricant oil to provide a water-miscible lubricating oil concentrate capable of forming a stable aqueous emulsion when added to an aqueous medium.
    Type: Grant
    Filed: November 23, 2004
    Date of Patent: September 8, 2009
    Assignee: Crompton Corporation
    Inventors: Michael T. Costello, Zhaopeng Li, Ronald J. Muir, Igor Riff, Joseph A. Weaver, Jr.
  • Patent number: 7569526
    Abstract: Disclosed herein is a method for reducing the oxidative and biological degradation of a metalworking fluid comprising adding thereto at least one antioxidant and at least one biocide.
    Type: Grant
    Filed: March 12, 2004
    Date of Patent: August 4, 2009
    Assignee: Crompton Corporation
    Inventors: Michael T. Costello, Igor Riff
  • Patent number: 7550525
    Abstract: An aluminum hydroxide composition is disclosed, having diminished tendency to cause discoloration on heating at 177° C. of a plastic composition whose major polymeric component is polyvinyl chloride, comprising aluminum hydroxide and an amount, effective in diminishing discoloration, of at least one inorganic perchlorate salt selected from the group consisting of alkali metal perchlorates and alkaline earth metal perchlorates.
    Type: Grant
    Filed: August 9, 2005
    Date of Patent: June 23, 2009
    Assignee: Crompton Corporation
    Inventors: Kook Jin Bae, Stuart D. Brilliant
  • Patent number: 7494960
    Abstract: A composition is disclosed that comprises a lubricant and at least a first antioxidant and a second antioxidant, the first antioxidant being a hindered phenolic and the second antioxidant being a thioether. Also disclosed is a method of increasing the oxidation stability of a lubricant comprising adding thereto at least a first antioxidant and a second antioxidant, the first antioxidant being a hindered phenolic and the second antioxidant being a thioether.
    Type: Grant
    Filed: February 3, 2004
    Date of Patent: February 24, 2009
    Assignee: Crompton Corporation
    Inventors: Cyril A. Migdal, David J. Sikora
  • Patent number: 7485605
    Abstract: Disclosed herein is composition comprising: (A) a lubricant or a hydrocarbon fuel; (B) at least one additive that is a 2-(S(N)-mercaptobenzothiazole)succinic or methylene succinate esters of a structure defined herein; and optionally (C) at least one zinc dihydrocarbyldithiophosphate.
    Type: Grant
    Filed: December 27, 2004
    Date of Patent: February 3, 2009
    Assignee: Crompton Corporation
    Inventor: Theodore E. Nalesnik
  • Patent number: 7473815
    Abstract: A method is disclosed for reducing levels of residual halogen and Group IIIb metals in a crude poly(?-olefin) polymerized in the presence of a catalyst comprising the halogen and Group IIIb metals, wherein the method comprises: A) washing the crude poly(?-olefin) with water; B) separating the aqueous and organic phases; C) then adding an adsorbent selected from the group consisting of magnesium silicates, calcium silicates, aluminum silicates, aluminum oxides, and clays to the organic phase to form a slurry; D) heating the slurry under reduced pressure at a temperature of at least about 180° C. for at least about thirty minutes; and then E) separating the adsorbent from the slurry.
    Type: Grant
    Filed: November 12, 2003
    Date of Patent: January 6, 2009
    Assignee: Crompton Corporation
    Inventors: Timothy L. Lambert, Werner A. Thuring
  • Patent number: 7446119
    Abstract: A miticidal triazolidine derivative of the formula wherein R is C1-C6 alkyl, C3-C6 cycloalkyl, or C1-C6 haloalkyl; R1 is hydrogen, C1-C6 alkoxy, halogen, phenyl or C1-C6 alkyl; R2 is hydrogen, phenyl, thienyl, pyridyl, or thiazolyl, unsubstituted or substituted by one or more substituents selected from C1-C4 alkoxy, C1-C4 alkyl, halogen, and C1-C4 haloalkyl; and R3 is C1-C6 alkyl or benzyl, wherein the alkyl groups can be linear or branched.
    Type: Grant
    Filed: March 28, 2005
    Date of Patent: November 4, 2008
    Assignee: Crompton Corporation
    Inventors: Mark A. Dekeyser, Paul T. McDonald
  • Patent number: 7442732
    Abstract: Disclosed herein are compounds of the structure: wherein R1, R2, R3, R4, R5, and R6 are independently selected alkyl groups, provided that R1 is different from R2. The compounds are useful as stabilizers for thermoplastic resins.
    Type: Grant
    Filed: March 29, 2005
    Date of Patent: October 28, 2008
    Assignee: Crompton Corporation
    Inventors: Michael E. Gelbin, Carloss L. Gray
  • Patent number: 7442673
    Abstract: A composition comprising: (A) a lubricant, and (B) at least one alcohol that is the reaction product of mercaptobenzothiazoles, mercaptothiazolines, or mercaptobenzimidazoles with various epoxies.
    Type: Grant
    Filed: July 8, 2004
    Date of Patent: October 28, 2008
    Assignee: Crompton Corporation
    Inventors: Robert G. Rowland, Ronald D. Abbott
  • Patent number: 7423069
    Abstract: Flame retardant flexible polyurethane foam compositions, methods of flame retarding flexible polyurethane foam compositions, articles made therefrom and flame retardants that comprise blends of tetrahalophthalate esters and phosphorus-containing flame retardant having at least about 5 wt. % phosphorus additives. The combined weight of the tetrahalophthalate ester and the phosphorus-containing flame retardant comprises about 5 to about 20% by weight of the flexible polyurethane foam compositions or reaction mixtures. The ratio of the tetrahalophthalate ester to the phosphorus-containing flame retardant is from about 80:20 to about 20:80 percent by weight and preferably from about 60:40 to about 40:60 percent by weight.
    Type: Grant
    Filed: May 5, 2003
    Date of Patent: September 9, 2008
    Assignee: Crompton Corporation
    Inventors: David Buszard, Matthew D. Phillips, Richard S. Rose, Stephen B. Falloon
  • Patent number: 7407920
    Abstract: A process and composition for forming a non-Newtonian oil composition in the form of a grease comprising an overbased calcium salicylate and solid particles of colloidally dispersed calcium carbonate in the form of calcite is disclosed wherein the process comprises the steps of heating overbased calcium salicylate, amorphous calcium carbonate, and a converting agent comprising a fatty acid of twelve to twenty-four carbon atoms in an oleaginous medium, and then adding sufficient water, alcohol, and carbon dioxide to the mixture to complete the conversion of the amorphous calcium carbonate to calcite.
    Type: Grant
    Filed: July 29, 2004
    Date of Patent: August 5, 2008
    Assignees: Crompton Corporation, Crompton Co. /Cle
    Inventors: William D. Olson, Ronald J. Muir, Wayne MacKwood