Patents by Inventor Michael E. Gelbin

Michael E. Gelbin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 8633267
    Abstract: A composition comprising a mixture of at least two different alkylaryl phosphites, wherein some alkyl groups have a different number of carbon atoms than other alkyl groups and wherein the mixture is a liquid at ambient conditions.
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: January 21, 2014
    Assignee: Addivant USA LLC
    Inventors: Michael E. Gelbin, Jonathan S. Hill, Maurice Power
  • Patent number: 8309635
    Abstract: The invention is directed to various alkylaryl phosphite compositions that ideally are suitable for use as secondary antioxidants in polymers. In one aspect, the phosphite composition comprises a tris(monoalkylaryl)phosphite in an amount from 51 to 95 weight percent; and at least one of: a bis(monoalkylaryl)dialkylaryl phosphite; a bis(dialkylaryl)monoalkylaryl phosphite; and a tris(dialkylaryl)phosphite. The inventive phosphite composition is a solid at ambient conditions. The invention also relates to alkylate compositions and processes for forming such alkylate compositions and such phosphite compositions.
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: November 13, 2012
    Assignee: Chemtura Corporation
    Inventors: Michael E. Gelbin, Jonathan S. Hill, Maurice Power
  • Patent number: 8258214
    Abstract: A polymer stabilizing composition comprising a sterically hindered phenol and a phosphite that provides low gel content and enhanced resistance to gas-fading. The stabilizer composition is particular useful for stabilizing polyethylene homopolymers and copolymers, such as linear low density polyethylenes produced from metallocene catalyst. The sterically hindered phenol is, for example, selected from the group consisting of 1,3,5-tris-(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, 1,3,5-tris-(3,5-dicyclohexyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris(4-t-butyl-3-hydroxy-2,6-dimethylbenzyl)-1,3,5-Triazine-2,4,6-(1H,3H,5H)-trione, and 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene.
    Type: Grant
    Filed: October 13, 2011
    Date of Patent: September 4, 2012
    Assignee: Chemtura Corporation
    Inventors: Hayder Zahalka, Michael E. Gelbin, Maurice Power, Jonathan S. Hill
  • Patent number: 8193260
    Abstract: Disclosed herein is a process for the preparation of a mixture of styrenated p-cresol species that is liquid at room temperature and has a viscosity of less than 40,000 cps at 25° C., wherein said process affords 2,6-distyrenated p-cresol assaying at 70% minimum by GC area percent, comprising reacting styrene with p-cresol at a molar ratio of 1.85 to 2.1:1, respectively, in the presence of an acid catalyst at elevated temperature, wherein said mixture comprises monostyrenated-p-cresol, distyrenated-p-cresol, and tristyrenated-p-cresol and exhibits an acid number of less than 0.1 mg KOH/gram.
    Type: Grant
    Filed: February 11, 2008
    Date of Patent: June 5, 2012
    Assignee: Chemtura Corporation
    Inventors: Michael E. Gelbin, Jonathan S. Hill, Maurice Power
  • Patent number: 8188170
    Abstract: A polymer stabilizing composition comprising a sterically hindered phenol and a phosphite that provides low gel content and enhanced resistance to gas-fading. The stabilizer composition is particular useful for stabilizing polyethylene homopolymers and copolymers, such as linear low density polyethylenes produced from metallocene catalyst. The sterically hindered phenol is selected from the group consisting of 1,3,5-tris-(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, 1,3,5-tris-(3,5-dicyclohexyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate,1,3,5-tris(4-t-butyl-3-hydroxy-2,6-dimethylbenzyl)-1,3,5-Triazine-2,4,6-(1H,3H,5H)-trione, and 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene. The phosphite preferably is a liquid phosphite composition comprising two or more alkylated aryl phosphites.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: May 29, 2012
    Assignee: Chemtura Corporation
    Inventors: Hayder Zahalka, Michael E. Gelbin, Maurice Power, Jonathan S. Hill
  • Patent number: 8183311
    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: Grant
    Filed: July 31, 2009
    Date of Patent: May 22, 2012
    Assignee: Chemtura Corporation
    Inventors: Michael E. Gelbin, Maurice Power, Jonathan Hill
  • Patent number: 8178005
    Abstract: A composition comprising at least two different alkylaryl phosphites, wherein some alkyl groups have a different number of carbon atoms than other alkyl groups and wherein the composition is a liquid at ambient conditions.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: May 15, 2012
    Assignee: Chemtura Corporation
    Inventors: Michael E. Gelbin, Maurice Power, Jonathan Hill
  • Publication number: 20120035305
    Abstract: A polymer stabilizing composition comprising a sterically hindered phenol and a phosphite that provides low gel content and enhanced resistance to gas-fading. The stabilizer composition is particular useful for stabilizing polyethylene homopolymers and copolymers, such as linear low density polyethylenes produced from metallocene catalyst. The sterically hindered phenol is, for example, selected from the group consisting of 1,3,5-tris-(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, 1,3,5-tris-(3,5-dicyclohexyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris(4-t-butyl-3-hydroxy-2,6-dimethylbenzyl)-1,3,5-Triazine-2,4,6-(1H,3H,5H)-trione, and 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene.
    Type: Application
    Filed: October 13, 2011
    Publication date: February 9, 2012
    Inventors: HAYDER ZAHALKA, MICHAEL E. GELBIN, MAURICE POWER, JONATHAN S. HILL
  • Patent number: 8049041
    Abstract: A substituted phosphite suitable for lubricating base stocks and thermoplastic polymers represented by the structure: wherein R1 is selected from the group consisting of C1-C22 alkyl and C4-C22 cycloalkyl; R2 and R3 are selected to form a C5-C18 aryl; and R4 and R5 are selected from the group consisting of H, C1-C22 alkyl, C2-C22 alkenyl, C4-C22 cycloalkyl, and C5-C8 aryl. The substituted phosphite may be combined with at least one primary antioxidant as well as other additives.
    Type: Grant
    Filed: June 27, 2008
    Date of Patent: November 1, 2011
    Assignee: Chemtura Corporation
    Inventors: Michael E. Gelbin, Jun Dong
  • Patent number: 8008383
    Abstract: A phosphite composition comprising at least two of a tris(diamylaryl) phosphite, a tris(monoamylaryl) phosphite, a bis(diamylaryl)monoamylaryl phosphite, and a bis(monoamylaryl)diamylaryl phosphite. The inventive phosphite composition is a liquid at ambient conditions.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: August 30, 2011
    Assignee: Chemtura Corporation
    Inventors: Michael E. Gelbin, Maurice Power, Jonathan S. Hill
  • Patent number: 8008384
    Abstract: A phosphite composition comprising at least two of a tris(dibutylaryl) phosphite, a tris(monobutylaryl) phosphite, a bis(dibutylaryl)monobutylaryl phosphite, and a bis(monobutylaryl)dibutylaryl phosphite. The inventive phosphite composition is a liquid at ambient conditions.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: August 30, 2011
    Assignee: Chemtura Corporation
    Inventors: Michael E. Gelbin, Maurice Power, Jonathan S. Hill
  • Patent number: 7947769
    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: Grant
    Filed: July 31, 2009
    Date of Patent: May 24, 2011
    Assignee: Chemtura Corporation
    Inventors: Michael E. Gelbin, Maurice Power, Jonathan Hill
  • Patent number: 7902280
    Abstract: Disclosed herein are highly stable styrenated phenolic compositions that are liquids at room temperature, and polymer articles and lubricant compositions containing such styrenated phenolic compositions. Also disclosed are processes for forming such styrenated phenolic compositions, which processes afford distyrenated phenolics assaying at 70% minimum by total GC area, comprising reacting styrene with one or more phenolics, e.g., at least one of phenol, p-cresol and/or o-cresol, in the presence of an acid catalyst, preferably a sulfonic acid catalyst, at elevated temperature, wherein the resulting product mixture comprises one or more monostyrenated phenolics, one or more distyrenated phenolics, and one or more tristyrenated phenolics.
    Type: Grant
    Filed: July 7, 2008
    Date of Patent: March 8, 2011
    Assignee: Chemtura Corporation
    Inventors: Michael E. Gelbin, Jonathan S. Hill, Maurice Power, Jun Dong, Cyril A. Migdal, Gerard Mulqueen, Joseph F. Stieber
  • Patent number: 7888414
    Abstract: A composition is disclosed that comprises a blend of at least two different phosphites of the structure wherein R1, R2, and R3 are independently selected alkylated aryl groups and wherein said blend is a liquid at ambient conditions. The compositions are useful for stabilizing thermoplastic resins and elastomers.
    Type: Grant
    Filed: April 16, 2007
    Date of Patent: February 15, 2011
    Assignee: Chemtura Corporation
    Inventors: Michael E. Gelbin, Maurice Power, Jonathan S. Hill
  • Publication number: 20110028618
    Abstract: The invention is directed to various alkylaryl phosphite compositions that ideally are suitable for use as secondary antioxidants in polymers. In one aspect, the phosphite composition comprises a tris(monoalkylaryl)phosphite in an amount from 51 to 95 weight percent; and at least one of: a bis(monoalkylaryl)dialkylaryl phosphite; a bis(dialkylaryl)monoalkylaryl phosphite; and a tris(dialkylaryl)phosphite. The inventive phosphite composition is a solid at ambient conditions. The invention also relates to alkylate compositions and processes for forming such alkylate compositions and such phosphite compositions.
    Type: Application
    Filed: July 26, 2010
    Publication date: February 3, 2011
    Inventors: Michael E. Gelbin, Jonathan S. Hill, Maurice Power
  • Publication number: 20110028616
    Abstract: A composition comprising a mixture of at least two different alkylaryl phosphites, wherein some alkyl groups have a different number of carbon atoms than other alkyl groups and wherein the mixture is a liquid at ambient conditions.
    Type: Application
    Filed: July 26, 2010
    Publication date: February 3, 2011
    Inventors: Michael E. Gelbin, Jonathan S. Hill, Maurice Power
  • Publication number: 20100197837
    Abstract: A polymer stabilizing composition comprising a sterically hindered phenol and a phosphite that provides low gel content and enhanced resistance to gas-fading. The stabilizer composition is particular useful for stabilizing polyethylene homopolymers and copolymers, such as linear low density polyethylenes produced from metallocene catalyst. The sterically hindered phenol is selected from the group consisting of 1,3,5-tris-(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)isocyanurate, 1,3,5-tris-(3,5-dicyclohexyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris(4-t-butyl-3-hydroxy-2,6-dimethylbenzyl)-1,3,5-Triazine-2,4,6-(1H,3H,5H)-trione, and 1,3,5-tris-(3,5-di-tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene. The phosphite preferably is a liquid phosphite composition comprising two or more alkylated aryl phosphites.
    Type: Application
    Filed: October 23, 2009
    Publication date: August 5, 2010
    Applicant: Chemtura Corporation
    Inventors: Hayder Zahalka, Michael E. Gelbin, Maurice Power, Jonathan S. Hill
  • Publication number: 20100190900
    Abstract: A phosphite composition comprising at least two of a tris(dibutylaryl) phosphite, a tris(monobutylaryl) phosphite, a bis(dibutylaryl)monobutylaryl phosphite, and a bis(monobutylaryl)dibutylaryl phosphite. The inventive phosphite composition is a liquid at ambient conditions.
    Type: Application
    Filed: July 31, 2009
    Publication date: July 29, 2010
    Applicant: CHEMTURA CORPORATION
    Inventors: Michael E. GELBIN, Maurice POWER, Jonathan S. HILL
  • 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