Patents by Inventor Kevin R. Squire
Kevin R. Squire 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: 9580533Abstract: The present invention relates to a branched modifier and a composition comprising more than 25 wt % (based on the weight of the composition) of one or more linear ethylene polymers having a g?vis of 0.97 or more and an Mw of 20,000 g/mol or more and at least 0.1 wt % of a branched modifier where the modifier has a g?vis of less than 0.97, wherein the ethylene polymer has a g?vis of at least 0.01 units higher than the g?vis of the branched modifier.Type: GrantFiled: September 20, 2012Date of Patent: February 28, 2017Assignee: ExxonMobil Chemical Patents Inc.Inventors: Peijun Jiang, Kevin R. Squire, Jianya Cheng, Pradeep P. Shirodkar, Johannes M. Soulages, Keith E. Jolibois, Ronald R. Thackston, Andrew G. Narvaez, Jr.
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Patent number: 9068034Abstract: This invention relates to in-reactor polymer blends comprising at least 60 mole % of propylene and from 0.01 to 10 mole % of at least one diene selected from the group of C6 to C12 ?,?-diene, norbornadiene, vinyl norbornene and mixtures thereof with the balance being ethylene. The blend comprises first and second polymers having different crystallinities and or different Tg's.Type: GrantFiled: September 11, 2012Date of Patent: June 30, 2015Assignee: ExxonMobil Chemical Patents Inc.Inventors: Kevin R. Squire, Charles J. Ruff, Cesar A. Garcia-Franco, Peijun Jiang
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Patent number: 8481647Abstract: This invention relates to an in-reactor polymer blend comprising: (a) a first ethylene-containing polymer having a density of greater than 0.90 g/cm3 and a Mw of more than 20,000 g/mol and (b) a second ethylene-containing polymer having a density of less than 0.90 g/cm3 wherein the polymer blend has a Tm of at least 90° C. (DSC second melt), a density of less than 0.92 g/cm3, and the densities of the first and second polymers differ by at least 1%.Type: GrantFiled: December 19, 2011Date of Patent: July 9, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Peijun Jiang, Armenag H. Dekmezian, Kevin R. Squire, Cesar A. Garcia-Franco
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Patent number: 8426529Abstract: Disclosed is a selected type of copolymer composition comprising copolymers having units derived from ethylene and dicyclopentadiene (DCPD) co-monomers. Such copolymer compositions: a) have a DCPD-derived comonomer unit content of from about 25 mole % to about 45 mole %; b) have a Weight Average Molecular Weight, Mw, of greater than about 170,000; c) comprise amorphous material and have glass transition temperatures, Tg, of from about 8° C. to about 129° C., which also fit the equation Tg (in ° C.)?[(mole % DCPD×3.142)?4.67]; and d) comprise no significant amount of crystalline polyethylene homopolymer or crystallizable polyethylene segments within the ethylene-dicyclopentadiene copolymers. Such copolymers can be readily derivatized by hydrogenation and/or epoxidation to provide polymeric materials suitable for use as engineering thermoplastics.Type: GrantFiled: May 10, 2007Date of Patent: April 23, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Lisa Saunders Baugh, Abhimanyu Onkar Patil, Christian Peter Mehnert, Kevin R. Squire, Kenneth A. Cook, Caiguo Gong, Enock Berluche, Karla Schall Colle, Alan J. Oshinski, Stephen Zushma, Beverly J. Poole
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Publication number: 20130059981Abstract: This invention relates to an in-reactor polymer blend comprising: (a) a first ethylene-containing polymer having a density of greater than 0.90 g/cm3 and a Mw of more than 20,000 g/mol and (b) a second ethylene-containing polymer having a density of less than 0.90 g/cm3 wherein the polymer blend has a Tm of at least 90° C. (DSC second melt), a density of less than 0.92 g/cm3, and the densities of the first and second polymers differ by at least 1%.Type: ApplicationFiled: December 19, 2011Publication date: March 7, 2013Inventors: Peijun JIANG, Armenag H. Dekmezian, Kevin R. Squire, Cesar A. Garcia-Franco
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Publication number: 20130005908Abstract: This invention relates to in-reactor polymer blends comprising at least 60 mole % of propylene and from 0.01 to 10 mole % of at least one diene selected from the group of C6 to C12 ?,?-diene, norbornadiene, vinyl norbornene and mixtures thereof with the balance being ethylene. The blend comprises first and second polymers having different crystallinities and or different Tg's.Type: ApplicationFiled: September 11, 2012Publication date: January 3, 2013Inventors: Kevin R. Squire, Charles J. Ruff, Cesar A. Garcia-Franco, Peijun Jiang
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Patent number: 8344070Abstract: A polymer composition comprises (a) least 40 wt % (based upon the weight of the composition) of a cyclic olefin polymer comprising at least one acyclic olefin and at least 20 wt % of one or more cyclic olefins (based upon the weight of the cyclic olefin polymer), wherein at least a portion of the cyclic olefin polymer has a glass transition temperature of greater than 100° C.; (b) an acyclic olefin polymer modifier in an amount up to 40 wt % (based upon the weight of the composition); and (c) at least 10 wt % (based upon the weight of the composition) of one of more fillers. The polymer composition has a notched Izod impact resistance measured at 23° C. of greater than 100 J/m and a flexural modulus (1% secant method) of greater than 1400 MPa.Type: GrantFiled: June 20, 2007Date of Patent: January 1, 2013Assignee: ExxonMobil Chemical Patents Inc.Inventors: Kevin R. Squire, Alan J. Oshinski, Kevin D. Robinson, Christian Peter Mehnert, Marsha M. Arvedson, Beverly J. Poole, Abhimanyu Onkar Patil, Lisa Saunders Baugh, Karla Schall Colle
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Patent number: 8288480Abstract: This invention relates to in-reactor polymer blends comprising at least 60 mole % of propylene and from 0.01 to 10 mole % of at least one diene selected from the group of C6 to C12 ?,?-diene, norbornadiene, vinyl norbornene and mixtures thereof with the balance being ethylene. The blend comprises first and second polymers having different crystallinities and or different Tg's.Type: GrantFiled: December 15, 2009Date of Patent: October 16, 2012Assignee: ExxonMobil Chemical Patents Inc.Inventors: Peijun Jiang, Kevin R. Squire, Charles J. Ruff, Cesar A. Garcia-Franco
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Publication number: 20120149846Abstract: This invention relates to an in-reactor polymer blend comprising: (a) a first ethylene-containing polymer having a density of greater than 0.90 g/cm3 and a Mw of more than 20,000 g/mol and (b) a second ethylene-containing polymer having a density of less than 0.90 g/cm3 wherein the polymer blend has a Tm of at least 90° C. (DSC second melt), a density of less than 0.92 g/cm3, and the densities of the first and second polymers differ by at least 1%.Type: ApplicationFiled: December 19, 2011Publication date: June 14, 2012Inventors: Peijun JIANG, Armenag H. Dekmezian, Kevin R. Squire, Cesar A. Garcia-Franco
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Patent number: 8106127Abstract: An in-reactor polymer blend comprises (a) a propylene-containing first polymer; and (b) an ethylene-containing second polymer such that the polymer blend comprises between about 50 wt % and about 80 wt % units derived from ethylene and between about 50 wt % and about 20 wt % units derived from propylene. The blend is substantially free of dienes and the content of ethylene in the second polymer in the form of ethylene-ethylene-ethylene triads is at least 40%. The second polymer contains at least 0.1 branch having 8 or more carbon atoms per 10,000 carbons. In addition, the blend has a strain hardening index of at least 1.8, a shear thinning slope in the plot of log(dynamic viscosity) versus log(frequency) of less than ?0.2 and exhibits at least two peaks when subjected to Differential Scanning Calorimetry (first melt) corresponding to a first melting point of at least 150° C. and a second melting point of at least 40° C.Type: GrantFiled: December 15, 2009Date of Patent: January 31, 2012Assignee: ExxonMobil Chemical Patents Inc.Inventors: Carlos U. De Gracia, Kevin R. Squire, Peijun Jiang, Armenag H. Dekmezian, Beverly J. Poole, Cesar A. Garcia-Franco
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Patent number: 8101685Abstract: This invention relates to an in-reactor polymer blend comprising: (a) a first ethylene-containing polymer having a density of greater than 0.90 g/cm3 and a Mw of more than 20,000 g/mol and (b) a second ethylene-containing polymer having a density of less than 0.90 g/cm3, wherein the polymer blend has a Tm of at least 90° C. (DSC second melt), a density of less than 0.92 g/cm3, and the densities of the first and second polymers differ by at least 1%. Specifically this invention relates to an in-reactor polymer blend comprising: (a) a first ethylene polymer comprising 90 to 100 wt % ethylene and from 0 to less than 10 wt % comonomer, said first ethylene polymer component having density of greater than 0.920 g/cm3, an Mw of 20,000 g/mol or more; and (b) a second ethylene polymer comprising from 70 to 90 wt % ethylene and 30 to 10 wt % comonomer, said second ethylene polymer having a density of 0.910 g/cm3 or less, wherein the polymer blend has: (a) a Tm of at least 100° C. over a density ranging from 0.Type: GrantFiled: December 15, 2009Date of Patent: January 24, 2012Assignee: ExxonMobil Chemical Patents Inc.Inventors: Peijun Jiang, Armenag H. Dekmezian, Kevin R. Squire, Cesar A. Garcia-Franco
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Patent number: 8022142Abstract: An in-reactor polymer blend including (a) a propylene-containing first polymer; and (b) propylene-containing second polymer having a different crystallinity from the first polymer. The polymer blend has a melting temperature, Tm, of at least 135° C., a melt flow rate of at least 70 dg/min, a tensile strength of at least 8 MPa, an elongation at break of at least 300%.Type: GrantFiled: December 15, 2008Date of Patent: September 20, 2011Assignee: ExxonMobil Chemical Patents Inc.Inventors: Peijun Jiang, Armenag H. Dekmezian, Kevin R. Squire, Carlos U. de Gracia, Keith Edward Jolibois, Cesar A. Garcia-Franco, Ronald Raymond Thackston
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Publication number: 20100152383Abstract: This invention relates to an in-reactor polymer blend comprising: (a) a first ethylene-containing polymer having a density of greater than 0.90 g/cm3 and a Mw of more than 20,000 g/mol and (b) a second ethylene-containing polymer having a density of less than 0.90 g/cm3, wherein the polymer blend has a Tm of at least 90° C. (DSC second melt), a density of less than 0.92 g/cm3, and the densities of the first and second polymers differ by at least 1%. Specifically this invention relates to an in-reactor polymer blend comprising: (a) a first ethylene polymer comprising 90 to 100 wt % ethylene and from 0 to less than 10 wt % comonomer, said first ethylene polymer component having density of greater than 0.920 g/cm3, an Mw of 20,000 g/mol or more; and (b) a second ethylene polymer comprising from 70 to 90 wt % ethylene and 30 to 10 wt % comonomer, said second ethylene polymer having a density of 0.910 g/cm3 or less, wherein the polymer blend has: (a) a Tm of at least 100° C. over a density ranging from 0.Type: ApplicationFiled: December 15, 2009Publication date: June 17, 2010Inventors: Peijun Jiang, Armenag H. Dekmezian, Kevin R. Squire, Cesar A. Garcia-Franco
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Publication number: 20100152390Abstract: An in-reactor polymer blend comprises (a) a propylene-containing first polymer; and (b) an ethylene-containing second polymer such that the polymer blend comprises between about 50 wt % and about 80 wt % units derived from ethylene and between about 50 wt % and about 20 wt % units derived from propylene. The blend is substantially free of dienes and the content of ethylene in the second polymer in the form of ethylene-ethylene-ethylene triads is at least 40%. The second polymer contains at least 0.1 branch having 8 or more carbon atoms per 10,000 carbons. In addition, the blend has a strain hardening index of at least 1.8, a shear thinning slope in the plot of log(dynamic viscosity) versus log(frequency) of less than ?0.2 and exhibits at least two peaks when subjected to Differential Scanning Calorimetry (first melt) corresponding to a first melting point of at least 150° C. and a second melting point of at least 40° C.Type: ApplicationFiled: December 15, 2009Publication date: June 17, 2010Inventors: Carlos U. De Gracia, Kevin R. Squire, Peijun Jiang, Armenag H. Dekmezian, Beverly J. Poole, Cesar A. Garcia-Franco
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Publication number: 20100152382Abstract: An in-or polymer blend including (a) a propylene-containing first polymer; and (b) propylene-containing second polymer having a different crystallinity from the first polymer. The polymer blend has a melting temperature, Tm, of at least 135° C., a melt flow rate of at least 70 dg/min, a tensile strength of at least 8 MPa, an elongation at break of at least 300%.Type: ApplicationFiled: December 15, 2008Publication date: June 17, 2010Inventors: Peijun Jiang, Armenag H. Dekmezian, Kevin R. Squire, Carlos U. De Gracia, Keith Edward Jolibois, Cesar A. Garcia-Franco, Ronald Raymond Thackston
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Publication number: 20100152388Abstract: This invention relates to in-reactor polymer blends comprising at least 60 mole % of propylene and from 0.01 to 10 mole % of at least one diene selected from the group of C6 to C12 ?,?-diene, norbornadiene, vinyl norbornene and mixtures thereof with the balance being ethylene. The blend comprises first and second polymers having different crystallinities and or different Tg's.Type: ApplicationFiled: December 15, 2009Publication date: June 17, 2010Inventors: Peijun Jiang, Kevin R. Squire, Charles J. Ruff, Cesar A. Garcia-Franco
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Publication number: 20090318597Abstract: A polymer composition comprises (a) least 40 wt % (based upon the weight of the composition) of a cyclic olefin polymer comprising at least one acyclic olefin and at least 20 wt % of one or more cyclic olefins (based upon the weight of the cyclic olefin polymer), wherein at least a portion of the cyclic olefin polymer has a glass transition temperature of greater than 100° C.; (b) an acyclic olefin polymer modifier in an amount up to 40 wt % (based upon the weight of the composition); and (c) at least 10 wt % (based upon the weight of the composition) of one of more fillers. The polymer composition has a notched Izod impact resistance measured at 23° C. of greater than 100 J/m and a flexural modulus (1% secant method) of greater than 1400 MPa.Type: ApplicationFiled: June 20, 2007Publication date: December 24, 2009Inventors: Kevin R. Squire, Alan J. Oshinski, Kevin D. Robinson, Christian Peter Mehnert, Marsha M. Arvedson, Beverly J. Poole, Abhimanyu Onkar Patil, Lisa Saunders Baugh, Karla Schall Colle
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Publication number: 20080221275Abstract: Provided are selected types of terpolymer components comprising terpolymers having monomer units derived from ethylene (E), dicyclopentadiene (DCPD) and norbornene-based (NB) co-monomers. Such terpolymer components have certain specified amounts of each co-monomer as well as certain specified molecular weight and glass transition temperature characteristics. Terpolymer components which are derivatized by hydrogenation and/or by epoxidation and/or hydroxylation are also disclosed, as well as thermoplastic polyolefin compositions which contain the terpolymer components and which have especially desirable structural and thermal properties. Also provided are processes for preparing and derivatizing the terpolymer components herein.Type: ApplicationFiled: February 29, 2008Publication date: September 11, 2008Inventors: Lisa S. Baugh, Enock Berluche, Abhimanyu O. Patil, Beverly J. Poole, Kevin D. Robinson, Kevin R. Squire
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Patent number: 7417093Abstract: In a process for functionalizing an ?-olefin/diene copolymer, a copolymer comprising units derived from at least one ?-olefin and units derived from at least one diene, which copolymer contains at least one double bond, is contacted in a reaction medium with an alkyl hydroperoxide in the presence of a catalyst comprising a metal of Group 5 or 6 of the Periodic Table or a compound thereof, under reaction conditions which promote formation of an oxirane ring or hydroxyl groups at the site of the double bond.Type: GrantFiled: May 21, 2007Date of Patent: August 26, 2008Assignee: ExxonMobil Chemical Patents Inc.Inventors: Karla S. Colle, Caiguo Gong, Kevin R. Squire
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Publication number: 20080033112Abstract: A polymer composition comprises (a) greater than 50 wt % (based upon the weight of the composition) of a cyclic olefin copolymer comprising at least one acyclic olefin and at least 20 weight % of one or more cyclic olefins (based upon the weight of the cyclic olefin copolymer), wherein at least a portion of the cyclic olefin copolymer has a glass transition temperature of greater than 150° C.; and (b) less than 50 wt % (based upon the weight of the composition) of an acyclic olefin polymer modifier, at least a portion of the modifier having a glass transition temperature of less than ?30° C.; and no portion of the modifier having a softening point greater than +30° C., wherein the Bicerano solubility parameter of the modifier being no more than 0.6 J0.5/cm1.5 less than the Bicerano solubility parameter of the cyclic olefin copolymer. The polymer composition has a notched Izod impact resistance measured at 23° C. of greater than 500 J/m and a heat distortion temperature measured using a 0.Type: ApplicationFiled: June 20, 2007Publication date: February 7, 2008Inventors: Kevin R. Squire, Alan J. Oshinski, Kevin D. Robinson, Christian Peter Mehnert, Marsha M. Arvedson, Beverly J. Poole, Abhimanyu Onkar Patil, Lisa Saunders Baugh, Karla Schall Colle