Patents by Inventor Jose M. Sosa
Jose M. Sosa 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: 10870748Abstract: A styrenic composition including a polar modified styrenic co-polymer resulting from the polymerization of a combined mixture of at least one styrenic monomer and at least one comonomer and a biodegradable component is disclosed. The at least one comonomer includes a polar functional group and the polar modified styrenic co-polymer and the biodegradable component are combined to obtain a styrenic composition having a biodegradable component. Also disclosed is a method of enhancing bio-polymer miscibility in a styrenic based polymer. The polarity of a blend is manipulated by combining a styrenic monomer and a polar co-monomer to form a combined mixture and subjecting the combined mixture to polymerization to obtain a styrenic polymer blend to which a bio-polymer is added.Type: GrantFiled: October 11, 2018Date of Patent: December 22, 2020Assignee: FINA TECHNOLOGY, INC.Inventors: Wei Wang, David W. Knoeppel, Jose M. Sosa
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Publication number: 20190040247Abstract: A styrenic composition including a polar modified styrenic co-polymer resulting from the polymerization of a combined mixture of at least one styrenic monomer and at least one comonomer and a biodegradable component is disclosed. The at least one comonomer includes a polar functional group and the polar modified styrenic co-polymer and the biodegradable component are combined to obtain a styrenic composition having a biodegradable component. Also disclosed is a method of enhancing bio-polymer miscibility in a styrenic based polymer. The polarity of a blend is manipulated by combining a styrenic monomer and a polar co-monomer to form a combined mixture and subjecting the combined mixture to polymerization to obtain a styrenic polymer blend to which a bio-polymer is added.Type: ApplicationFiled: October 11, 2018Publication date: February 7, 2019Inventors: Wei Wang, David W. Knoeppel, Jose M. Sosa
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Patent number: 10125249Abstract: A styrenic composition including a polar modified styrenic co-polymer resulting from the polymerization of a combined mixture of at least one styrenic monomer and at least one comonomer and a biodegradable component is disclosed. The at least one comonomer includes a polar functional group and the polar modified styrenic co-polymer and the biodegradable component are combined to obtain a styrenic composition having a biodegradable component. Also disclosed is a method of enhancing bio-polymer miscibility in a styrenic based polymer. The polarity of a blend is manipulated by combining a styrenic monomer and a polar co-monomer to form a combined mixture and subjecting the combined mixture to polymerization to obtain a styrenic polymer blend to which a bio-polymer is added.Type: GrantFiled: December 10, 2014Date of Patent: November 13, 2018Assignee: FINA TECHNOLOGY, INC.Inventors: Wei Wang, David W. Knoeppel, Jose M. Sosa
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Patent number: 9850357Abstract: Foamable polystyrene compositions with enhanced blowing agent solubility and methods of making such polystyrene compositions by incorporating a polar additive in styrenic polymer or copolymers.Type: GrantFiled: January 11, 2012Date of Patent: December 26, 2017Assignee: FINA TECHNOLOGY, INC.Inventors: Wei Wang, Jose M. Sosa, David W. Knoeppel
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Patent number: 9815957Abstract: Cellular and multi-cellular polystyrene and polystyrenic foams and methods of forming such foams are disclosed. The foams include an expanded polystyrene formed from expansion of an expandable polystyrene including an adsorbent comprising alumina, wherein the multi-cellular polystyrene exhibits a multi-cellular size distribution. The process for forming a foamed article includes providing a formed styrenic polymer and contacting the formed styrenic polymer with a first blowing agent and an adsorbent comprising alumina to form extrusion polystyrene. The process further includes forming the extrusion styrenic polymer into an expanded styrenic polymer and forming the expanded styrenic polymer into a foamed article.Type: GrantFiled: September 24, 2014Date of Patent: November 14, 2017Assignee: Fina Technology, Inc.Inventors: Jose M. Sosa, David W. Knoeppel
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Patent number: 9796842Abstract: Polystyrene blends and methods of making polystyrene blends including combining a styrene monomer and an epoxy-functional comonomer to form a combined mixture, subjecting the combined mixture to polymerization to obtain a polystyrene copolymer and combining the polystyrene copolymer with a biodegradable polymer to obtain a polystyrene blend.Type: GrantFiled: April 16, 2015Date of Patent: October 24, 2017Assignee: FINA TECHNOLOGY, INC.Inventors: Wei Wang, David W. Knoeppel, Fengkui Li, Jose M. Sosa
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Patent number: 9527945Abstract: A process for producing rubber modified polymers having an increased rubber phase volume, including feeding a vinyl aromatic monomer and an elastomer to a polymerization reactor to form a reaction mixture, polymerizing the reaction mixture, combining a copolymer to the polymerized reaction mixture to form a combined mixture, subjecting the combined mixture to further polymerization, and obtaining a rubber modified polymer product from the further polymerization.Type: GrantFiled: July 8, 2015Date of Patent: December 27, 2016Assignee: FINA TECHNOLOGY, INC.Inventors: Carlos DeAnda, Graciela Morales, Jose M. Sosa, David Knoeppel
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Publication number: 20150307644Abstract: A process for producing rubber modified polymers having an increased rubber phase volume, including feeding a vinyl aromatic monomer and an elastomer to a polymerization reactor to form a reaction mixture, polymerizing the reaction mixture, combining a copolymer to the polymerized reaction mixture to form a combined mixture, subjecting the combined mixture to further polymerization, and obtaining a rubber modified polymer product from the further polymerization.Type: ApplicationFiled: July 8, 2015Publication date: October 29, 2015Inventors: Carlos DeAnda, Graciela Morales, Jose M. Sosa, David Knoeppel
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Patent number: 9120889Abstract: A process for producing rubber modified polymers having an increased rubber phase volume, including feeding a vinyl aromatic monomer and an elastomer to a polymerization reactor to form a reaction mixture, polymerizing the reaction mixture, combining a copolymer to the polymerized reaction mixture to form a combined mixture, subjecting the combined mixture to further polymerization, and obtaining a rubber modified polymer product from the further polymerization.Type: GrantFiled: July 10, 2014Date of Patent: September 1, 2015Assignee: FINA TECHNOLOGY, INC.Inventors: Carlos DeAnda, Graciela Morales, Jose M. Sosa, David Knoeppel
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Publication number: 20150218358Abstract: Polystyrene blends and methods of making polystyrene blends including combining a styrene monomer and an epoxy-functional comonomer to form a combined mixture, subjecting the combined mixture to polymerization to obtain a polystyrene copolymer and combining the polystyrene copolymer with a biodegradable polymer to obtain a polystyrene blend.Type: ApplicationFiled: April 16, 2015Publication date: August 6, 2015Inventors: Wei Wang, David W. Knoeppel, Fengkui Li, Jose M. Sosa
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Patent number: 9090715Abstract: A process for producing a high impact polystyrene having a high swell index including feeding at least one vinyl aromatic monomer and at least one elastomer to at least one polymerization reactor to form a reaction mixture, polymerizing the reaction mixture, combining a chain transfer agent to the reaction mixture leaving the at least one polymerization reactor to form a combined mixture, sending the combined mixture to a devolatilization zone and obtaining a HIPS product having a high swell index.Type: GrantFiled: March 30, 2011Date of Patent: July 28, 2015Assignee: FINA TECHNOLOGY, INC.Inventors: John Tomlinson, Jose M. Sosa
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Patent number: 9079982Abstract: A process for producing high impact polystyrene including feeding at least one vinyl aromatic monomer, an elastomer, and a free radical initiator to a first linear flow reactor to form a reaction mixture. Polymerizing the reaction mixture in the first linear flow reactor to a point below the point at which phase inversion occurs to produce a first polymerization mixture and feeding the first polymerization mixture from the first linear flow reactor to a second linear flow reactor. Polymerizing the reaction mixture in the second linear flow reactor to at least a phase inversion point of the mixture to produce a second polymerization mixture and feeding the second polymerization mixture from the second linear flow reactor to at least a third linear flow reactor for post-inversion polymerization of the second polymerization mixture. The product stream can have an ESCR value of at least 10% toughness retained with less than 10 wt % rubber content.Type: GrantFiled: September 30, 2011Date of Patent: July 14, 2015Assignee: FINA TECHNOLOGY, INC.Inventors: Likuo Sun, Jose M. Sosa, Serge Eon, Carlos Corleto, Scott Cooper
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Patent number: 9045630Abstract: Polystyrene blends and methods of making polystyrene blends including combining a styrene monomer and an epoxy-functional comonomer to form a combined mixture, subjecting the combined mixture to polymerization to obtain a polystyrene copolymer and combining the polystyrene copolymer with a biodegradable polymer to obtain a polystyrene blend.Type: GrantFiled: June 29, 2011Date of Patent: June 2, 2015Assignee: FINA TECHNOLOGY, INC.Inventors: Wei Wang, David K. Knoeppel, Fengkui Li, Jose M. Sosa
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Publication number: 20150094404Abstract: A styrenic composition including a polar modified styrenic co-polymer resulting from the polymerization of a combined mixture of at least one styrenic monomer and at least one comonomer and a biodegradable component is disclosed. The at least one comonomer includes a polar functional group and the polar modified styrenic co-polymer and the biodegradable component are combined to obtain a styrenic composition having a biodegradable component. Also disclosed is a method of enhancing bio-polymer miscibility in a styrenic based polymer. The polarity of a blend is manipulated by combining a styrenic monomer and a polar co-monomer to form a combined mixture and subjecting the combined mixture to polymerization to obtain a styrenic polymer blend to which a bio-polymer is added.Type: ApplicationFiled: December 10, 2014Publication date: April 2, 2015Inventors: Wei Wang, David W. Knoeppel, Jose M. Sosa
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Publication number: 20150011665Abstract: Cellular and multi-cellular polystyrene and polystyrenic foams and methods of forming such foams are disclosed. The foams include an expanded polystyrene formed from expansion of an expandable polystyrene including an adsorbent comprising alumina, wherein the multi-cellular polystyrene exhibits a multi-cellular size distribution. The process for forming a foamed article includes providing a formed styrenic polymer and contacting the formed styrenic polymer with a first blowing agent and an adsorbent comprising alumina to form extrusion polystyrene. The process further includes forming the extrusion styrenic polymer into an expanded styrenic polymer and forming the expanded styrenic polymer into a foamed article.Type: ApplicationFiled: September 24, 2014Publication date: January 8, 2015Inventors: Jose M. Sosa, David W. Knoeppel
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Publication number: 20140323654Abstract: A process for producing rubber modified polymers having an increased rubber phase volume, including feeding a vinyl aromatic monomer and an elastomer to a polymerization reactor to form a reaction mixture, polymerizing the reaction mixture, combining a copolymer to the polymerized reaction mixture to form a combined mixture, subjecting the combined mixture to further polymerization, and obtaining a rubber modified polymer product from the further polymerization.Type: ApplicationFiled: July 10, 2014Publication date: October 30, 2014Inventors: Carlos DeAnda, Graciela Morales, Jose M. Sosa, David Knoeppel
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Patent number: 8822597Abstract: A process for producing rubber modified polymers having an increased rubber phase volume, including feeding a vinyl aromatic monomer and an elastomer to a polymerization reactor to form a reaction mixture, polymerizing the reaction mixture, combining a copolymer to the polymerized reaction mixture to form a combined mixture, subjecting the combined mixture to further polymerization, and obtaining a rubber modified polymer product from the further polymerization.Type: GrantFiled: April 28, 2011Date of Patent: September 2, 2014Assignee: Fina Technology, Inc.Inventors: Carlos DeAnda, Graciela Morales, Jose M. Sosa, David Knoeppel
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Patent number: 8809459Abstract: A method of preparing a polystyrene blend that includes combining a first polystyrene composition having a first melt flow index with a second polystyrene composition having a second melt flow index and forming a polystyrene blend, the second melt flow index being at least 2 dg/min higher that the first melt flow index. The polystyrene blend has an observed tensile strength value greater than 3% above the expected tensile strength value. The second polystyrene composition can include a recycled polystyrene material, which can include expanded polystyrene. An alternate method of preparing the polystyrene blend includes combining a polystyrene composition with a styrene monomer to form a reaction mixture, polymerizing the reaction mixture and obtaining a polystyrene blend, where the polystyrene containing composition has a melt flow index at least 2 dg/min higher than the melt flow index of the styrene monomer after it has been polymerized.Type: GrantFiled: January 30, 2013Date of Patent: August 19, 2014Assignee: Fina Technology, Inc.Inventors: Camille Grossetete, David W. Knoeppel, Jose M. Sosa, Shane Steagall, Carlos Corletto
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Patent number: 8389636Abstract: A method of preparing a polystyrene blend that includes combining a first polystyrene composition having a first melt flow index with a second polystyrene composition having a second melt flow index and forming a polystyrene blend, the second melt flow index being at least 2 dg/min higher that the first melt flow index. The polystyrene blend has an observed tensile strength value greater than 3% above the expected tensile strength value. The second polystyrene composition can include a recycled polystyrene material, which can include expanded polystyrene. An alternate method of preparing the polystyrene blend includes combining a polystyrene composition with a styrene monomer to form a reaction mixture, polymerizing the reaction mixture and obtaining a polystyrene blend, where the polystyrene containing composition has a melt flow index at least 2 dg/min higher than the melt flow index of the styrene monomer after it has been polymerized.Type: GrantFiled: June 22, 2012Date of Patent: March 5, 2013Assignee: Fina Technology, Inc.Inventors: Camille Grossetete, David W. Knoeppel, Jose M. Sosa, Shane Steagall, Carlos Corletto
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Publication number: 20130005852Abstract: Polystyrene blends and methods of making polystyrene blends including combining a styrene monomer and an epoxy-functional comonomer to form a combined mixture, subjecting the combined mixture to polymerization to obtain a polystyrene copolymer and combining the polystyrene copolymer with a biodegradable polymer to obtain a polystyrene blend.Type: ApplicationFiled: June 29, 2011Publication date: January 3, 2013Applicant: Fina Technology, Inc.Inventors: Wei Wang, David K. Knoeppel, Fengkui Li, Jose M. Sosa