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).
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Patent number: 8633267Abstract: 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: GrantFiled: July 26, 2010Date of Patent: January 21, 2014Assignee: Addivant USA LLCInventors: Michael E. Gelbin, Jonathan S. Hill, Maurice Power
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Patent number: 8309635Abstract: 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: GrantFiled: July 26, 2010Date of Patent: November 13, 2012Assignee: Chemtura CorporationInventors: Michael E. Gelbin, Jonathan S. Hill, Maurice Power
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Patent number: 8258214Abstract: 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: GrantFiled: October 13, 2011Date of Patent: September 4, 2012Assignee: Chemtura CorporationInventors: Hayder Zahalka, Michael E. Gelbin, Maurice Power, Jonathan S. Hill
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Patent number: 8193260Abstract: 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: GrantFiled: February 11, 2008Date of Patent: June 5, 2012Assignee: Chemtura CorporationInventors: Michael E. Gelbin, Jonathan S. Hill, Maurice Power
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Patent number: 8188170Abstract: 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: GrantFiled: October 23, 2009Date of Patent: May 29, 2012Assignee: Chemtura CorporationInventors: Hayder Zahalka, Michael E. Gelbin, Maurice Power, Jonathan S. Hill
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Patent number: 8183311Abstract: 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: GrantFiled: July 31, 2009Date of Patent: May 22, 2012Assignee: Chemtura CorporationInventors: Michael E. Gelbin, Maurice Power, Jonathan Hill
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Patent number: 8178005Abstract: 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: GrantFiled: July 31, 2009Date of Patent: May 15, 2012Assignee: Chemtura CorporationInventors: Michael E. Gelbin, Maurice Power, Jonathan Hill
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Publication number: 20120035305Abstract: 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: ApplicationFiled: October 13, 2011Publication date: February 9, 2012Inventors: HAYDER ZAHALKA, MICHAEL E. GELBIN, MAURICE POWER, JONATHAN S. HILL
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Patent number: 8049041Abstract: 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: GrantFiled: June 27, 2008Date of Patent: November 1, 2011Assignee: Chemtura CorporationInventors: Michael E. Gelbin, Jun Dong
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Patent number: 8008383Abstract: 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: GrantFiled: July 31, 2009Date of Patent: August 30, 2011Assignee: Chemtura CorporationInventors: Michael E. Gelbin, Maurice Power, Jonathan S. Hill
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Patent number: 8008384Abstract: 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: GrantFiled: July 31, 2009Date of Patent: August 30, 2011Assignee: Chemtura CorporationInventors: Michael E. Gelbin, Maurice Power, Jonathan S. Hill
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Patent number: 7947769Abstract: 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: GrantFiled: July 31, 2009Date of Patent: May 24, 2011Assignee: Chemtura CorporationInventors: Michael E. Gelbin, Maurice Power, Jonathan Hill
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Patent number: 7902280Abstract: 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: GrantFiled: July 7, 2008Date of Patent: March 8, 2011Assignee: Chemtura CorporationInventors: Michael E. Gelbin, Jonathan S. Hill, Maurice Power, Jun Dong, Cyril A. Migdal, Gerard Mulqueen, Joseph F. Stieber
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Patent number: 7888414Abstract: 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: GrantFiled: April 16, 2007Date of Patent: February 15, 2011Assignee: Chemtura CorporationInventors: Michael E. Gelbin, Maurice Power, Jonathan S. Hill
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Publication number: 20110028618Abstract: 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: ApplicationFiled: July 26, 2010Publication date: February 3, 2011Inventors: Michael E. Gelbin, Jonathan S. Hill, Maurice Power
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Publication number: 20110028616Abstract: 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: ApplicationFiled: July 26, 2010Publication date: February 3, 2011Inventors: Michael E. Gelbin, Jonathan S. Hill, Maurice Power
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Publication number: 20100197837Abstract: 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: ApplicationFiled: October 23, 2009Publication date: August 5, 2010Applicant: Chemtura CorporationInventors: Hayder Zahalka, Michael E. Gelbin, Maurice Power, Jonathan S. Hill
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Publication number: 20100190900Abstract: 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: ApplicationFiled: July 31, 2009Publication date: July 29, 2010Applicant: CHEMTURA CORPORATIONInventors: Michael E. GELBIN, Maurice POWER, Jonathan S. HILL
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Publication number: 20100076125Abstract: 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: ApplicationFiled: July 31, 2009Publication date: March 25, 2010Applicant: Chemtura CorporationInventors: Michael E. Gelbin, Maurice Power, Jonathan Hill
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Publication number: 20100076131Abstract: 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: ApplicationFiled: July 31, 2009Publication date: March 25, 2010Applicant: Chemtura CorporationInventors: Michael E. Gelbin, Maurice Power, Jonathan Hill