Patents by Inventor Jonathan S. Hill
Jonathan S. Hill 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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Publication number: 20150073073Abstract: Solid phosphite compositions comprising tris(4-t-alkylphenyl) phosphites and selected hydroxyalkyl amines exhibit surprising performance compared with other phosphite stabilizers in the stabilization of polymers, such as polyolefins and the like, particularly in the prevention of color formation during high temperature processing or when exposed to certain gasses during storage, e.g., “gas fading”.Type: ApplicationFiled: November 18, 2014Publication date: March 12, 2015Inventors: Hayder Zahalka, Maurice Power, Jonathan S. Hill, Peter Smith
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Publication number: 20150021523Abstract: Processes for alkylating hydroxyaryl compounds by reacting a hydroxyaryl with at least one olefin of a complex hydrocarbon stream. The complex hydrocarbon stream preferably comprises a fraction of a cracked hydrocarbon feed stream or the reaction products of a dehydrogenation of a paraffinic feedstock. The olefin of the complex hydrocarbon stream is preferably a branched olefin, e.g., isobutylene or isoamylene. The alkylated compositions are suitable for forming liquid phosphite compositions.Type: ApplicationFiled: May 27, 2014Publication date: January 22, 2015Applicant: Addivant USA LLCInventors: Jonathan S. Hill, Maurice Power, Paul Stott, Peter Smith
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Patent number: 8916065Abstract: Solid phosphite compositions comprising tris(4-t-alkylphenyl)phosphites and selected hydroxyalkyl amines exhibit surprising performance compared with other phosphite stabilizers in the stabilization of polymers, such as polyolefins and the like, particularly in the prevention of color formation during high temperature processing or when exposed to certain gasses during storage, e.g., “gas fading”.Type: GrantFiled: October 14, 2013Date of Patent: December 23, 2014Assignee: Addivant Switzerland GmbHInventors: Hayder Zahalka, Maurice Power, Jonathan S. Hill, Peter Smith
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Patent number: 8735628Abstract: Processes for alkylating hydroxyaryl compounds by reacting a hydroxyaryl with at least one olefin of a complex hydrocarbon stream. The complex hydrocarbon stream preferably comprises a fraction of a cracked hydrocarbon feed stream or the reaction products of a dehydrogenation of a paraffinic feedstock. The olefin of the complex hydrocarbon stream is preferably a branched olefin, e.g., isobutylene or isoamylene. The alkylated compositions are suitable for forming liquid phosphite compositions.Type: GrantFiled: July 9, 2010Date of Patent: May 27, 2014Assignee: Addivant USA LLCInventors: Jonathan S. Hill, Maurice Power, Paul Stott, Peter Smith
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Publication number: 20140045981Abstract: Solid phosphite compositions comprising tris(4-t-alkylphenyl)phosphites and selected hydroxyalkyl amines exhibit surprising performance compared with other phosphite stabilizers in the stabilization of polymers, such as polyolefins and the like, particularly in the prevention of color formation during high temperature processing or when exposed to certain gasses during storage, e.g., “gas fading”.Type: ApplicationFiled: October 14, 2013Publication date: February 13, 2014Inventors: Hayder Zahalka, Maurice Power, Jonathan S. Hill
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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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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: 8048946Abstract: Hydrolytically stable phosphites as secondary antioxidants for polymer resins comprising a phosphite and an amine compound. The phosphite may be a liquid phosphite composition. The amine compound may have the structure of formula I: wherein x is 1, 2 or 3; R1 is selected from the group consisting of hydrogen, and straight or branched C1-C6 alkyl, and R2 is selected from the group consisting of straight or branched C1-C30 alkyl.Type: GrantFiled: July 28, 2010Date of Patent: November 1, 2011Assignee: Chemtura CorporationInventors: Jonathan S. Hill, Maurice Power
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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: 8008385Abstract: 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(dialkylaryl)phosphite in an amount from 20 to 93 weight percent; and at least one of: a bis(dialkylaryl)monoalkylaryl phosphite; a bis(monoalkylaryl)dialkylaryl phosphite; and a tris(monoalkylaryl)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 28, 2010Date of Patent: August 30, 2011Assignee: Chemtura CorporationInventors: Jonathan S. Hill, Maurice Power, Peter Smith
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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: 7985871Abstract: A transesterification process for the preparation of tetrakis[3-(3,5-di-tert-butyl-4-hydroxy phenyl)propionyl oxymethyl]methane by the reaction of methyl-(3,5-di-tert-butyl-4-hydroxy phenyl)propionate ester with pentaerythritol wherein the reaction takes place in the presence of an ester exchange catalyst combination consisting of (a) at least one basic or neutral catalyst and (b) at least one metal compound capable of behaving as a Lewis acid being different from the basic or neutral catalyst and wherein the reaction is conducted through a first stage in which only the at least one basic or neutral catalyst is present in the reaction mixture followed by a second stage which commences with the addition of Lewis acid catalyst to the reaction mixture when the amount of di-substituted intermediate product contained within the reaction mixture has been reduced to less than 20 area % analysed by HPLC.Type: GrantFiled: August 6, 2009Date of Patent: July 26, 2011Assignee: Chemtura CorporationInventor: Jonathan S. Hill
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Patent number: 7976729Abstract: A composition for stabilizing organic polymers comprising a sterically hindered phenol produced by reacting p-cresol and dicyclopentadiene to produce a precursor and alkylating the precursor with isobutylene, and a tertiary amine oxide.Type: GrantFiled: November 5, 2008Date of Patent: July 12, 2011Assignee: Chemtura CorporationInventor: Jonathan S. 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