Patents by Inventor Peter S. Martin
Peter S. Martin 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: 20230235104Abstract: Embodiments of polyethylene compositions and articles comprising polyethylene compositions are disclosed. The polyethylene compositions may include a first polyethylene fraction area defined by an area in the elution profile in a temperature range of 70° C. to 97° C. via improved comonomer composition distribution (iCCD) analysis method; a first peak in the temperature range of 70° C. to 97° C. in the elution profile; a second polyethylene fraction area defined by an area in the elution profile in a temperature range of 97° C. to 110° C.; and a second peak in the temperature range of 97° C. to 110° C. The polyethylene composition may have a density of 0.935 g/cm3 to 0.955 g/cm3 and a melt index (I2) of 1.0 g/10 minutes to 10.0 g/10 minutes. A ratio of the first polyethylene fraction area to the second polyethylene fraction area may be less than 2.0.Type: ApplicationFiled: February 5, 2021Publication date: July 27, 2023Applicant: Dow Global Technologies LLCInventors: Elva L. Lugo, Sanjib Biswas, Russell Cooper, Rajen Patel, Peter S. Martin, Stephanie M. Whited
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Patent number: 11685798Abstract: In various embodiments, a polyethylene formulation has a density of greater than 0.940 g/cm3 when measured according to ASTM D792, and a high load melt index (I21) of 1.0 g/10 min to 10.0 g/10 min when measured according to ASTM D1238 at 190° C. and a 21.6 kg load. Moreover, the polyethylene formulation has a peak molecular weight (Mp(GPC)) of less than 50,000 g/mol, a number average molecular weight (Mn(GPC)) of less than 30,000 g/mol, and a weight fraction (w1) of molecular weight (MW) less than 10,000 g/mol of less than or equal to 10.5 wt %, as determined by Gel Permeation Chromatography (GPC). Articles made from the polyethylene formulation, such as articles made by blow molding processes are also provided.Type: GrantFiled: July 18, 2019Date of Patent: June 27, 2023Assignee: Dow Global Technologies LLCInventors: Peter S. Martin, Yijian Lin, Angela I. Padilla-Acevedo, Roger L. Kuhlman, Shadid Askar, Mridula Kapur, Todd A. Hogan, Joel D. Wieliczko, Chuan C. He
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Publication number: 20220169762Abstract: A bimodal poly(ethylene-co-1-alkene) copolymer comprising a higher molecular weight poly(ethylene-co-1-alkene) copolymer component and a lower molecular weight poly(ethylene-co-1-alkene) copolymer component. The copolymer is characterized by a unique combination of features comprising, or reflected in, its density; molecular weight distributions; component weight fraction amount; viscoelastic properties; and environmental stress-cracking resistance. Additional inventive embodiments include a method of making the copolymer, a formulation comprising the copolymer and at least one additive that is different than the copolymer, a method of making a manufactured article from the copolymer or formulation; the manufactured article made thereby, and use of the manufactured article.Type: ApplicationFiled: April 28, 2020Publication date: June 2, 2022Inventors: Shadid Askar, Peter S. Martin, Bo Liu, John F. Szul, Roger L. Kuhlman, Mridula Babli Kapur
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Publication number: 20220162358Abstract: A bimodal poly(ethylene-co-1-alkene) copolymer comprising a higher molecular weight poly(ethylene-co-1-alkene) copolymer component and a lower molecular weight poly(ethylene-co-1-alkene) copolymer component. The copolymer is characterized by a unique combination of features comprising, or reflected in, its density; molecular weight distributions; component weight fraction amount; and viscoelastic properties; and at least one of environmental stress-cracking resistance and resin swell. Additional inventive embodiments include a method of making the copolymer, a formulation comprising the copolymer and at least one additive that is different than the copolymer, a method of making a manufactured article from the copolymer or formulation; the manufactured article made thereby, and use of the manufactured article.Type: ApplicationFiled: April 28, 2020Publication date: May 26, 2022Inventors: Shadid Askar, Peter S. Martin, Bo Liu, John F. Szul, Roger L. Kuhlman, Mridula Babli Kapur
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Patent number: 11254848Abstract: The present disclosure provides compositions, films and articles containing a random propylene/ethylene copolymer and a substituted phenylene aromatic diester. Polymerization with an improved catalyst system increases the amount of ethylene incorporated into the random propylene/ethylene copolymer backbone which results in improved thermal properties, improved optical properties, and improved heat seal properties.Type: GrantFiled: July 27, 2012Date of Patent: February 22, 2022Assignee: W.R. GRACE & CO.-CONN.Inventors: Li-Min Tau, Chai-Jing Chou, John Kaarto, Peter S. Martin, William G. Sheard
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Patent number: 11208512Abstract: A high density, high polydispersity polyethylene having improved properties, and a process of producing same.Type: GrantFiled: January 12, 2018Date of Patent: December 28, 2021Assignee: Univation Technologies, LLCInventors: Peter S. Martin, John F. Szul, Roger L. Kuhlman, Mahsa McDougal, C. Jeff Harlan, Timothy M. Boller
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Patent number: 11142600Abstract: An ethylene/1-hexene copolymer has a density from 0.9541 to 0.9600 gram per cubic centimeter (g/cm3), a molecular mass dispersity (DM=Mw/Mn) from greater than 2.0 to 3.5; and a Z-average molecular weight (Mz) from 120,000 to 240,000 grams per mole (g/mol). Methods of making and using same. Articles containing same.Type: GrantFiled: March 11, 2019Date of Patent: October 12, 2021Assignee: Univation Technologies, LLCInventors: Swapnil B. Chandak, Peter S. Martin, Yi Zhang
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Publication number: 20210301049Abstract: In various embodiments, a polyethylene formulation has a density of greater than 0.940 g/cm3 when measured according to ASTM D792, and a high load melt index (I21) of 1.0 g/10 min to 10.0 g/10 min when measured according to ASTM D1238 at 190° C. and a 21.6 kg load. Moreover, the polyethylene formulation has a peak molecular weight (Mp(GPC)) of less than 50,000 g/mol, a number average molecular weight (Mn(GPC)) of less than 30,000 g/mol, and a weight fraction (w1) of molecular weight (MW) less than 10,000 g/mol of less than or equal to 10.5 wt %, as determined by Gel Permeation Chromatography (GPC). Articles made from the polyethylene formulation, such as articles made by blow molding processes are also provided.Type: ApplicationFiled: July 18, 2019Publication date: September 30, 2021Applicant: Dow Global Technologies LLCInventors: Peter S. Martin, Yijian Lin, Angela I. Padilla-Acevedo, Roger L. Kuhlman, Shadid Askar, Mridula Kapur, Todd A. Hogan, Joel D. Wieliczko, Chuan C. He
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Publication number: 20200399407Abstract: An ethylene/1-hexene copolymer has a density from 0.9541 to 0.9600 gram per cubic centimeter (g/cm3), a molecular mass dispersity (ÐM=Mw/Mn) from greater than 2.0 to 3.5; and a Z-average molecular weight (Mz) from 120,000 to 240,000 grams per mole (g/mol). Methods of making and using same. Articles containing same.Type: ApplicationFiled: March 11, 2019Publication date: December 24, 2020Inventors: Swapnil B. Chandak, Peter S. Martin, Yi Zhang
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Publication number: 20200048384Abstract: A high density, high polydispersity polyethylene having improved properties, and a process of producing same.Type: ApplicationFiled: January 12, 2018Publication date: February 13, 2020Applicant: Univation Technologies, LLCInventors: Peter S. Martin, John F. Szul, Roger L. Kuhlman, Mahsa McDougal, C. Jeff Harlan, Timothy M. Boller
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Patent number: 9963528Abstract: Methods of making polyethylene resins are provided. More particularly methods of modifying the melt flow ratio and swell characteristics of polyethylene resins are provided.Type: GrantFiled: April 9, 2015Date of Patent: May 8, 2018Assignee: Univation Technologies, LLCInventors: R. Eric Pequeno, Bruce J. Savatsky, Peter S. Martin, Timothy R. Lynn
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Publication number: 20170137551Abstract: Methods of making polyethylene resins are provided. More particularly methods of modifying the melt flow ratio and swell characteristics of polyethylene resins are provided.Type: ApplicationFiled: April 9, 2015Publication date: May 18, 2017Applicant: Univation Technologies, LLCInventors: R. Eric PEQUENO, Bruce J. SAVATSKY, Peter S. MARTIN, Timothy R. LYNN
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Publication number: 20170129977Abstract: Polyethylene resins having variable swell and excellent physical properties are provided. The polyethylene resins may be advantageously prepared using a single catalyst system.Type: ApplicationFiled: April 9, 2015Publication date: May 11, 2017Applicant: Univation Technologies, LLCInventors: Peter S. Martin, Juliet Bauer Wagner, Timothy R. Lynn, R. Eric Pequeno
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Patent number: 8871868Abstract: Propylene impact copolymers (ICPs) are provided which comprise: (a) a matrix phase which comprises from 60 to 95 weight % of a polypropylene polymer containing from 0 to 6 mole % of units derived from one or more alpha-olefins other than propylene, and (b) a dispersed phase which comprises from 5 to 40 weight % of a copolymer derived from a first comonomer which can be either propylene or ethylene together with a second alpha-olefin comonomer. The ICP is further characterized by having a beta/alpha ratio less than or equal to 1.1. The ICPs of the present invention are particularly well suited for applications requiring clear, tough polymers such as thin walled injection molded articles for frozen food packaging applications.Type: GrantFiled: January 9, 2013Date of Patent: October 28, 2014Assignee: Braskem America, Inc.Inventors: Peter S. Dias, Jonathan D. Kersey, Peter S. Martin, Thomas R. Cuthbert
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Publication number: 20140194577Abstract: Propylene impact copolymers (ICPs) are provided which comprise: (a) a matrix phase which comprises from 60 to 95 weight % of a polypropylene polymer containing from 0 to 6 mole % of units derived from one or more alpha-olefins other than propylene, and (b) a dispersed phase which comprises from 5 to 40 weight % of a copolymer derived from a first comonomer which can be either propylene or ethylene together with a second alpha-olefin comonomer. The ICP is further characterized by having a beta/alpha ratio less than or equal to 1.1. The ICPs of the present invention are particularly well suited for applications requiring clear, tough polymers such as thin walled injection molded articles for frozen food packaging applications.Type: ApplicationFiled: January 9, 2013Publication date: July 10, 2014Applicant: BRASKEM AMERICA, INC.Inventors: Peter S. Dias, Jonathan D. Kersey, Peter S. Martin, Thomas R. Cuthbert
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Patent number: 8748539Abstract: Propylene impact copolymers (ICPs) are provided which comprise: (a) a matrix phase which comprises from 60 to 95 weight % of a polypropylene polymer containing from 0 to 6 mole % of units derived from one or more alpha-olefins other than propylene, and (b) a dispersed phase which comprises from 5 to 40 weight % of a copolymer derived from a first comonomer which can be either propylene or ethylene together with a second alpha-olefin comonomer. The ICP is further characterized by having a beta/alpha ratio less than or equal to 1.1. The ICPs of the present invention are particularly well suited for applications requiring clear, tough polymers such as thin walled injection molded articles for frozen food packaging applications.Type: GrantFiled: May 24, 2011Date of Patent: June 10, 2014Assignee: Braskem America, Inc.Inventors: Peter S. Martin, Peter S. Dias, Jason C. Brodil, Li-Min Tau, Debra R. Wilson, Jeffrey D. Goad, Matthew J. Fedec
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Publication number: 20140124405Abstract: The present disclosure provides compositions, films and articles containing a random propylene/ethylene copolymer and a substituted phenylene aromatic diester. Polymerization with an improved catalyst system increases the amount of ethylene incorporated into the random propylene/ethylene copolymer backbone which results in improved thermal properties, improved optical properties, and improved heat seal properties.Type: ApplicationFiled: July 27, 2012Publication date: May 8, 2014Applicant: Dow Global Technologies LLCInventors: Li-Min Tau, Chai-Jing Chou, John Kaarto, Peter S. Martin, William G. Sheard
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Patent number: 8609231Abstract: The present invention generally relates to composite laminates and uses thereof in articles in need of protection from mechanical damage and water or oxygen based degradation.Type: GrantFiled: December 8, 2010Date of Patent: December 17, 2013Assignee: Dow Global Technologies LLCInventors: Shaofu Wu, Peter S. Martin, Xuming Chen, Michelle L. Boven, Weijun Zhou, Valentina A. Kuznetsova
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Patent number: 8450447Abstract: Polyesteramides prepared from decreased perfection diamide diester monomers. The polymers exhibit improved physical properties.Type: GrantFiled: March 13, 2008Date of Patent: May 28, 2013Inventors: William J. Harris, Peter S. Martin, Jerry E. White, Rene Broos
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Publication number: 20120302701Abstract: Propylene impact copolymers (ICPs) are provided which comprise: (a) a matrix phase which comprises from 60 to 95 weight % of a polypropylene polymer containing from 0 to 6 mole % of units derived from one or more alpha-olefins other than propylene, and (b) a dispersed phase which comprises from 5 to 40 weight % of a copolymer derived from a first comonomer which can be either propylene or ethylene together with a second alpha-olefin comonomer. The ICP is further characterized by having a beta/alpha ratio less than or equal to 1.1. The ICPs of the present invention are particularly well suited for applications requiring clear, tough polymers such as thin walled injection molded articles for frozen food packaging applications.Type: ApplicationFiled: May 24, 2011Publication date: November 29, 2012Applicant: Dow Global Technologies LLCInventors: Peter S. Martin, Peter S. Dias, Jason C. Brodil, Li-Min Tau, Debra R. Wilson, Jeffrey D. Goad, Matthew J. Fedec