Patents by Inventor Bradley James Helmer
Bradley James Helmer 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: 20180298224Abstract: The invention is a method for producing cellulose ester and acrylic composite latex particles and to latex compositions prepared from the method. The cellulose ester and acrylic composite materials are prepared by dispersing at least one cellulose ester in water and incrementally adding at least one acrylic monomer to said dispersion in the presence of a polymerization initiator. Surfactants and solvents are optionally added to aid in the dispersion of the cellulose ester in water.Type: ApplicationFiled: April 13, 2017Publication date: October 18, 2018Applicant: Eastman Chemical CompanyInventors: Bradley James Helmer, Junjia Liu, Jennifer Lynn Cogar, Casey Lynn Elkins
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Patent number: 10077342Abstract: An elastomeric composition is provided comprising at least one elastomer, at least one cellulose ester additive, at least one methylene acceptor, at least one methylene donor, and optionally, at least one filler; wherein the cellulose ester additive comprises at least one cellulose ester. The cellulose ester additive can also comprise at least one compatibilizer and/or plasticizer.Type: GrantFiled: January 19, 2017Date of Patent: September 18, 2018Assignee: Eastman Chemical CompanyInventors: Haining An, Pruthesh Hariharrao Vargantwar, Bradley James Helmer, Mark Arigo, Soumendra Kumar Basu
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Patent number: 10077343Abstract: A process for producing elastomeric composition is provided comprising mixing at least one elastomer, at least one cellulose ester additive, at least one methylene acceptor, at least one methylene donor, and optionally, at least one filler; wherein the cellulose ester additive comprises at least one cellulose ester. The cellulose ester additive can also comprise at least one compatibilizer and/or plasticizer.Type: GrantFiled: January 19, 2017Date of Patent: September 18, 2018Assignee: Eastman Chemical CompanyInventors: Haining An, Pruthesh Hariharrao Vargantwar, Bradley James Helmer, Mark Arigo, Soumendra Kumar Basu
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Publication number: 20180002497Abstract: An elastomeric composition is provided comprising at least one vulcanizable unsaturated hydrocarbon elastomeric compound, at least one non-fibril, water insoluble vinyl acetal polymer, at least one filler, and optionally at least one coupling agent. A process of making the elastomeric composition is also provided as well as articles comprising the elastomeric composition. In particular, tires comprising the elastomeric composition are provided wherein the handling and processing characteristics are improved while other performance characteristics are retained.Type: ApplicationFiled: September 15, 2017Publication date: January 4, 2018Applicant: Eastman Chemical CompanyInventors: Pruthesh Hariharrao Vargantwar, Frederick Ignatz Hoover, Soumendra Kumar Basu, Bradley James Helmer, Christopher George Robertson
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Publication number: 20170321045Abstract: An elastomeric composition is provided comprising at least one elastomeric compound, at least one vinyl acetal polymer, at least one filler, and optionally at least one coupling agent. A process of making the elastomeric composition is also provided as well as articles comprising the elastomeric composition. In particular, tires comprising the elastomeric composition are provided wherein the handling and processing characteristics are improved while other performance characteristics are retained.Type: ApplicationFiled: July 19, 2017Publication date: November 9, 2017Applicant: Eastman Chemical CompanyInventors: Pruthesh Hariharrao Vargantwar, Frederick Ignatz-Hoover, Soumendra Kumar Basu, Bradley James Helmer, Christopher George Robertson
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Publication number: 20170210888Abstract: An elastomeric composition is provided comprising at least one elastomer, at least one cellulose ester additive, at least one methylene acceptor, at least one methylene donor, and optionally, at least one filler; wherein the cellulose ester additive comprises at least one cellulose ester. The cellulose ester additive can also comprise at least one compatibilizer and/or plasticizer.Type: ApplicationFiled: January 19, 2017Publication date: July 27, 2017Applicant: Eastman Chemical CompanyInventors: Haining An, Pruthesh Hariharrao Vargantwar, Bradley James Helmer, Mark Arigo, Soumendra Kumar Basu
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Publication number: 20170210861Abstract: A process for producing elastomeric composition is provided comprising mixing at least one elastomer, at least one cellulose ester additive, at least one methylene acceptor, at least one methylene donor, and optionally, at least one filler; wherein the cellulose ester additive comprises at least one cellulose ester. The cellulose ester additive can also comprise at least one compatibilizer and/or plasticizer.Type: ApplicationFiled: January 19, 2017Publication date: July 27, 2017Applicant: Eastman Chemical CompanyInventors: Haining An, Pruthesh Hariharrao Vargantwar, Bradley James Helmer, Mark Arigo, Soumendra Kumar Basu
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Patent number: 9708474Abstract: A process for producing a tire component is provided. The process comprises: (a) blending at least one cellulose ester, at least one non-nitrile primary elastomer, and at least 70 phr of one or more fillers to produce an elastomeric composition, wherein at least a portion of the blending occurs at a temperature exceeding the Tg of the cellulose ester, wherein the elastomeric composition exhibits a Mooney viscosity at 100° C. as measured according to ASTM D1646 of not more than 110 AU; and (b) forming the tire component with the elastomeric composition.Type: GrantFiled: November 30, 2012Date of Patent: July 18, 2017Assignee: Eastman Chemical CompanyInventors: Soumendra Kumar Basu, Bradley James Helmer
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Patent number: 9708472Abstract: An elastomeric composition is provided comprising at least one non-fibril cellulose ester, at least one non-nitrile primary elastomer, optionally a starch, and at least 70 parts per hundred rubber (phr) of one or more fillers, wherein the weight ratio of the cellulose ester to the starch is at least 3:1, wherein the cellulose ester is in the form of particles having an average diameter of not more than 10 ?m.Type: GrantFiled: November 30, 2012Date of Patent: July 18, 2017Assignee: Eastman Chemical CompanyInventors: Soumendra Kumar Basu, Bradley James Helmer
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Patent number: 9708475Abstract: A process to produce an elastomeric composition is provided. The process comprises blending at least one cellulose ester, at least one non-nitrile primary elastomer, and at least 70 phr of one or more fillers to produce the elastomeric composition, wherein at least a portion of the blending occurs at a temperature exceeding the Tg of said cellulose ester, and wherein the elastomeric composition exhibits a Mooney viscosity at 100° C. as measured according to ASTM D1646 of not more than 110 AU.Type: GrantFiled: November 30, 2012Date of Patent: July 18, 2017Assignee: Eastman Chemical CompanyInventors: Soumendra Kumar Basu, Bradley James Helmer
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Patent number: 9708473Abstract: A tire component is provided comprising an elastomeric composition containing at least one non-fibril cellulose ester, at least one non-nitrile primary elastomer, optionally a starch, and at least 70 parts per hundred rubber (phr) of one or more fillers, wherein the weight ratio of the cellulose ester to the starch is at least 3:1, and wherein the cellulose ester is in the form of particles having an average diameter of not more than 10 ?m.Type: GrantFiled: November 30, 2012Date of Patent: July 18, 2017Assignee: Eastman Chemical CompanyInventors: Soumendra Kumar Basu, Bradley James Helmer
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Publication number: 20160237220Abstract: An elastomeric composition is provided comprising at least one elastomeric compound, at least one vinyl acetal polymer, at least one filler, and optionally at least one coupling agent. A process of making the elastomeric composition is also provided as well as articles comprising the elastomeric composition. In particular, tires comprising the elastomeric composition are provided wherein the handling and processing characteristics are improved while other performance characteristics are retained.Type: ApplicationFiled: February 10, 2016Publication date: August 18, 2016Applicant: Eastman Chemical CompanyInventors: Pruthesh Hariharrao Vargantwar, Frederick Ignatz Hoover, Soumendra Kumar Basu, Bradley James Helmer, Christopher George Robertson
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Publication number: 20160237258Abstract: An elastomeric composition is provided comprising at least one elastomer, at least one ionomer, at least one filler, and optionally at least one coupling agent. A process of making the elastomeric composition is also provided as well as articles comprising the elastomeric composition. In particular, tires comprising the elastomeric composition are provided wherein the handling and processing characteristics are improved while other performance characteristics are retained.Type: ApplicationFiled: February 10, 2016Publication date: August 18, 2016Applicant: Eastman Chemical CompanyInventors: Pruthesh Hariharrao Vargantwar, Frederick Ignatz Hoover, Soumendra Kumar Basu, Bradley James Helmer, Christopher George Robertson, Michael Eugene Donelson, Marcus David Shelby
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Publication number: 20160237256Abstract: An elastomeric composition is provided comprising at least one elastomeric compound, at least one vinyl acetal polymer, at least one filler, and optionally at least one coupling agent. A process of making the elastomeric composition is also provided as well as articles comprising the elastomeric composition. In particular, tires comprising the elastomeric composition are provided wherein the handling and processing characteristics are improved while other performance characteristics are retained.Type: ApplicationFiled: February 10, 2016Publication date: August 18, 2016Applicant: Eastman Chemical CompanyInventors: Pruthesh Hariharrao Vargantwar, Frederick Ignatz Hoover, Soumendra Kumar Basu, Bradley James Helmer, Christopher George Robertson
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Publication number: 20160237257Abstract: An elastomeric composition is provided comprising at least one elastomer, at least one ionomer, at least one filler, and optionally at least one coupling agent. A process of making the elastomeric composition is also provided as well as articles comprising the elastomeric composition. In particular, tires comprising the elastomeric composition are provided wherein the handling and processing characteristics are improved while other performance characteristics are retained.Type: ApplicationFiled: February 10, 2016Publication date: August 18, 2016Applicant: Eastman Chemical CompanyInventors: Pruthesh Hariharrao Vargantwar, Frederick Ignatz Hoover, Soumendra Kumar Basu, Bradley James Helmer, Christopher George Robertson, Michael Eugene Donelson, Marcus David Shelby
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Patent number: 9273195Abstract: A tire is provided comprising a cellulose ester/elastomer composition wherein the cellulose ester/elastomer comprises at least one cellulose ester, at least one elastomer, and at least one additive selected from the group consisting of at least one compatibilizer and at least one plasticizer.Type: GrantFiled: November 30, 2012Date of Patent: March 1, 2016Assignee: Eastman Chemical CompanyInventors: Soumendra Kumar Basu, Bradley James Helmer, Marcus David Shelby, Matthew Davie Wood, Chris Stanley Dagenhart, Jos Simon De Wit, Carlo Antony Testa
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Patent number: 9200147Abstract: A cellulose ester composition is provided comprising at least one cellulose ester and at least one additive selected from the group consisting of a compatibilizer, and a plasticizer. Processes for producing the cellulose ester composition are also provided. In another embodiment, a cellulose ester/elastomer composition is provided comprising at least one elastomer, at least one cellulose ester; and at least one additive; wherein the additive is at least one selected from the group consisting of a compatibilizer and a plasticizer. Processes for producing the cellulose ester/elastomer composition is also provided as well as articles comprising the cellulose ester/elastomer composition.Type: GrantFiled: June 28, 2011Date of Patent: December 1, 2015Assignee: Eastman Chemical CompanyInventors: Bradley James Helmer, Soumendra Kumar Basu, Matthew Davie Wood, Chris Stanley Dagenhart, Jos Simon De Wit, Carlo Antony Testa, Marcus David Shelby
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Patent number: 9068063Abstract: A cellulose ester composition is provided comprising at least one cellulose ester and at least one additive selected from the group consisting of a compatibilizer, and a plasticizer. Processes for producing the cellulose ester composition are also provided. In another embodiment, a cellulose ester/elastomer composition is provided comprising at least one elastomer, at least one cellulose ester; and at least one additive; wherein the additive is at least one selected from the group consisting of a compatibilizer and a plasticizer. Processes for producing the cellulose ester/elastomer composition is also provided as well as articles comprising the cellulose ester/elastomer composition.Type: GrantFiled: June 28, 2011Date of Patent: June 30, 2015Assignee: Eastman Chemical CompanyInventors: Bradley James Helmer, Soumendra Kumar Basu, Matthew Davie Wood, Chris Stanley Dagenhart, Jos Simon De Wit, Carlo Antony Testa, Marcus David Shelby
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Publication number: 20110319529Abstract: A cellulose ester composition is provided comprising at least one cellulose ester and at least one additive selected from the group consisting of a compatibilizer, and a plasticizer. Processes for producing the cellulose ester composition are also provided. In another embodiment, a cellulose ester/elastomer composition is provided comprising at least one elastomer, at least one cellulose ester; and at least one additive; wherein the additive is at least one selected from the group consisting of a compatibilizer and a plasticizer. Processes for producing the cellulose ester/elastomer composition is also provided as well as articles comprising the cellulose ester/elastomer composition.Type: ApplicationFiled: June 28, 2011Publication date: December 29, 2011Applicant: EASTMAN CHEMICAL COMPANYInventors: Bradley James Helmer, Soumendra Kumar Basu, Matthew Davie Wood, Chris Stanley Dagenhart, Jos Simon De Wit, Carlo Antony Testa, Marcus David Shelby
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Publication number: 20110319530Abstract: A cellulose ester composition is provided comprising at least one cellulose ester and at least one additive selected from the group consisting of a compatibilizer, and a plasticizer. Processes for producing the cellulose ester composition are also provided. In another embodiment, a cellulose ester/elastomer composition is provided comprising at least one elastomer, at least one cellulose ester; and at least one additive; wherein the additive is at least one selected from the group consisting of a compatibilizer and a plasticizer. Processes for producing the cellulose ester/elastomer composition is also provided as well as articles comprising the cellulose ester/elastomer composition.Type: ApplicationFiled: June 28, 2011Publication date: December 29, 2011Applicant: EASTMAN CHEMICAL COMPANYInventors: Bradley James Helmer, Soumendra Kumar Basu, Matthew Davie Wood, Chris Stanley Dagenhart, Jos Simon De Wit, Carlo Antony Testa, Marcus David Shelby