Patents by Inventor Robert Patrick Reynolds, Jr.
Robert Patrick Reynolds, Jr. 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: 8614277Abstract: Isotactic polypropylene ethylene-propylene copolymer blends and in-line processes for producing. The blends may have between 1 and 50 wt % of isotactic polypropylene with a melt flow rate of between 0.5 and 20,000 g/10 min and a melting peak temperature of 145° C. or higher, and wherein the difference between the DSC peak melting and the peak crystallization temperatures is less than or equal to 0.5333 times the melting peak temperature minus 41.333° C., and between 50 and 99 wt % of ethylene-propylene copolymer including between 10 wt % and 20 wt % randomly distributed ethylene with a melt flow rate of between 0.5 and 20,000 g/10 min, wherein the copolymer is polymerized by a bulk homogeneous polymerization process, and wherein the total regio defects in the continuous propylene segments of the copolymer is between 40 and 150% greater than a copolymer of equivalent melt flow rate and wt % ethylene polymerized by a solution polymerization process.Type: GrantFiled: February 13, 2012Date of Patent: December 24, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: Gabor Kiss, Patrick Brant, Robert Patrick Reynolds, Jr., Aspy K. Mehta, Manika Varma-Nair, John W. Chu, Steven P. Rucker
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Patent number: 8445620Abstract: Provided are elastic propylene-alpha olefin blocky copolymers. In one form, the elastic propylene-alpha olefin blocky copolymer includes an ?-olefin content from 12 to 25 wt % and having a propylene crystallinity less than 30 J/g, a Tm <100° C. and a Tg >?45° C., wherein said copolymer has blocky propylene segments with r1r2 greater than 1.5, and a process for producing such copolymer.Type: GrantFiled: August 4, 2011Date of Patent: May 21, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: Andy Haishung Tsou, Gabor Kiss, Robert Patrick Reynolds, Jr., John W. Chu, Alan Anthony Galuska, Patrick Brant, Donald Andrew Winesett
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Patent number: 8410230Abstract: Provided are methods of producing polymers with broadened molecular weight and/or composition distribution in a continuous homogeneous polymerization system utilizing reactor temperature gradients, reactor polymer concentration gradients, monomer concentration gradients, catalyst concentration gradients, and combinations thereof in the polymerization reactor. Such methods are particularly suitable when utilizing metallocene catalysts and other single-site catalysts, which generally produce polymers with narrow molecular weight and composition distribution.Type: GrantFiled: April 18, 2011Date of Patent: April 2, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: Gabor Kiss, Robert Patrick Reynolds, Jr., John W. Chu, Patrick Brant, James Richardson Lattner
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Patent number: 8399586Abstract: A process for feeding ethylene into a polymerization system includes providing a low-pressure ethylene stream, one or more low-pressure C3 to C20 monomer streams, an optional low-pressure inert solvent/diluent stream, and one or more reactors; metering the low-pressure ethylene stream, the one or more low-pressure C3 to C20 monomer streams, and the optional low-pressure inert solvent/diluent stream; blending the metered low-pressure ethylene stream, the metered one or more low-pressure C3 to C20 monomer streams, and the metered low-pressure optional inert solvent/diluent stream to form an ethylene-carrying low-pressure blended liquid feed stream; pressurizing the ethylene-carrying low-pressure blended liquid feed stream to the polymerization system pressure with one or more high-pressure pumps to thrm an ethylene-carrying high-pressure blended reactor feed stream; and feeding the ethylene-carrying high-pressure blended reactor feed stream to the one or more reactors.Type: GrantFiled: September 3, 2009Date of Patent: March 19, 2013Assignee: ExxonMobil Research and Engineering CompanyInventors: Gabor Kiss, Robert Patrick Reynolds, Jr., John W. Chu, James Richardson Lattner, Gary D. Mohr
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Publication number: 20130035442Abstract: Provided are elastic propylene-alpha olefin blocky copolymers. In one form, the elastic propylene-alpha olefin blocky copolymer includes an ?-olefin content from 12 to 25 wt % and having a propylene crystallinity less than 30 J/g, a Tm <100° C. and a Tg >?45° C., wherein said copolymer has blocky propylene segments with r1r2 greater than 1.5, and a process for producing such copolymer.Type: ApplicationFiled: August 4, 2011Publication date: February 7, 2013Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Andy Haishung Tsou, Gabor Kiss, Robert Patrick Reynolds, JR., John W. Chu, Alan Anthony Galuska, Patrick Brant, Donald Andrew Winesett
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Publication number: 20120225998Abstract: Isotactic polypropylene ethylene-propylene copolymer blends and in-line processes for producing. The blends may have between 1 and 50 wt % of isotactic polypropylene with a melt flow rate of between 0.5 and 20,000 g/10 min and a melting peak temperature of 145° C. or higher, and wherein the difference between the DSC peak melting and the peak crystallization temperatures is less than or equal to 0.5333 times the melting peak temperature minus 41.333° C., and between 50 and 99 wt % of ethylene-propylene copolymer including between 10 wt % and 20 wt % randomly distributed ethylene with a melt flow rate of between 0.5 and 20,000 g/10 min, wherein the copolymer is polymerized by a bulk homogeneous polymerization process, and wherein the total regio defects in the continuous propylene segments of the copolymer is between 40 and 150% greater than a copolymer of equivalent melt flow rate and wt % ethylene polymerized by a solution polymerization process.Type: ApplicationFiled: February 13, 2012Publication date: September 6, 2012Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Gabor Kiss, Patrick Brant, Robert Patrick Reynolds, JR., Aspy K. Mehta, Manika Varma-Nair, John W. Chu, Steven P. Rucker
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Patent number: 8173748Abstract: Provided is a heat-seal resin. The resin includes 5 wt % to 95 wt % of a first copolymer and 95 wt % to 5 wt % of a second copolymer based on the total weight of the resin. The first copolymer and the second copolymer together are 90 wt % or more of the total weight of the resin. The first copolymer includes a first monomer of an alphaolefin of 2 to 4 carbon atoms and a second monomer selected from a second monomer of an alphaolefin of 2 to 8 carbon atoms. The first monomer and the second monomer of the first copolymer are different. The first copolymer has an MFR of from 5 to 1000 g/10 minutes and a Tfm of 66° C. to 80° C. The second copolymer includes a first monomer of an alphaolefin of 2 to 4 carbon atoms and a second monomer selected from a second monomer of an alphaolefin of 2 to 8 carbon atoms. The first monomer and the second monomer of the second copolymer are different. The second copolymer has an MFR of from 0.5 to 5 g/10 minutes and a Tfm of 45° C. to 66° C.Type: GrantFiled: December 17, 2010Date of Patent: May 8, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: David John Lohse, Thomas Tungshi Sun, Aspy K. Mehta, Gabor Kiss, Robert Patrick Reynolds, Jr., John W. Chu, Manika Varma-Nair
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Patent number: 8143352Abstract: A process for fluid phase in-line blending of polymers.Type: GrantFiled: December 17, 2007Date of Patent: March 27, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Gabor Kiss, Patrick Brant, Robert Patrick Reynolds, Jr., Robert Charles Portnoy, David B. Dunaway
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Patent number: 8138269Abstract: Isotactic polypropylene ethylene-propylene copolymer blends and in-line processes for producing them. The blends may have between 1 and 50 wt % of isotactic polypropylene with a melt flow rate of between 0.5 and 20,000 g/10 min and a melting peak temperature of 145° C. or higher, and wherein the difference between the DSC peak melting and the peak crystallization temperatures is less than or equal to 0.5333 times the melting peak temperature minus 41.333° C., and between 50 and 99 wt % of ethylene-propylene copolymer including between 10 wt % and 20 wt % randomly distributed ethylene with a melt flow rate of between 0.5 and 20,000 g/10 min, wherein the copolymer is polymerized by a bulk homogeneous polymerization process, and wherein the total regio defects in the continuous propylene segments of the copolymer is between 40 and 150% greater than a copolymer of equivalent melt flow rate and wt % ethylene polymerized by a solution polymerization process.Type: GrantFiled: December 18, 2008Date of Patent: March 20, 2012Assignee: ExxonMobil Research and Engineering CompanyInventors: Gabor Kiss, Patrick Brant, Robert Patrick Reynolds, Jr., Aspy K. Mehta, Manika Varma-Nair, John W. Chu, Steven P. Rucker
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Publication number: 20110196115Abstract: Provided are methods of producing polymers with broadened molecular weight and/or composition distribution in a continuous homogeneous polymerization system utilizing reactor temperature gradients, reactor polymer concentration gradients, monomer concentration gradients, catalyst concentration gradients, and combinations thereof in the polymerization reactor. Such methods are particularly suitable when utilizing metallocene catalysts and other single-site catalysts, which generally produce polymers with narrow molecular weight and composition distribution.Type: ApplicationFiled: April 18, 2011Publication date: August 11, 2011Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Gabor Kiss, Robert Patrick Reynolds, JR., John W. Chu, Patrick Brant, James Richardson Lattner
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Publication number: 20110196116Abstract: Provided are methods of producing polymers with broadened molecular weight and/or composition distribution in a continuous homogeneous polymerization system utilizing reactor temperature gradients, reactor polymer concentration gradients, monomer concentration gradients, catalyst concentration gradients, and combinations thereof in the polymerization reactor. Such methods are particularly suitable when utilizing metallocene catalysts and other single-site catalysts, which generally produce polymers with narrow molecular weight and composition distribution.Type: ApplicationFiled: April 18, 2011Publication date: August 11, 2011Applicant: EXXONMOBIL RESEARCH AND ENGINEERING COMPANYInventors: Gabor Kiss, Robert Patrick Reynolds, JR., John W. Chu, Patrick Brant, James Richardson Lattner
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Patent number: 7939610Abstract: Provided are methods of producing polymers with broadened molecular weight and/or composition distribution in a continuous homogeneous polymerization system utilizing reactor temperature gradients, reactor polymer concentration gradients, monomer concentration gradients, catalyst concentration gradients, and combinations thereof in the polymerization reactor. Such methods are particularly suitable when utilizing metallocene catalysts and other single-site catalysts, which generally produce polymers with narrow molecular weight and composition distribution.Type: GrantFiled: May 19, 2009Date of Patent: May 10, 2011Assignee: ExxonMobil Research and Engineering CompanyInventors: Gabor Kiss, Robert Patrick Reynolds, Jr., John W. Chu, Patrick Brant, James Richardson Lattner
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Patent number: 7928162Abstract: A process for fluid phase in-line blending of plasticized polymers is provided.Type: GrantFiled: September 9, 2008Date of Patent: April 19, 2011Assignee: ExxonMobil Research and Engineering CompanyInventors: Gabor Kiss, Alan Anthony Galuska, Robert Patrick Reynolds, Jr., John W. Chu, Bryan R. Chapman, Patrick Brant, Sudhin Datta
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Patent number: 7910679Abstract: Provided are bulk homogeneous polymerization processes for producing ethylene propylene random copolymers. The process includes contacting in a reactor or in a series of reactors propylene monomer, ethylene comonomer with one or more catalyst systems and optional solvent (present at less than 40 wt %), wherein the reactor train is at a temperature of between 65° C. and 180° C.Type: GrantFiled: November 14, 2008Date of Patent: March 22, 2011Assignee: ExxonMobil Research and Engineering CompanyInventors: Gabor Kiss, Robert Patrick Reynolds, Jr., John W. Chu, Steven P. Rucker, James Richardson Lattner
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Publication number: 20100063338Abstract: Provided are processes for feeding ethylene into a polymerization system operating in a liquid phase or supercritical phase.Type: ApplicationFiled: September 3, 2009Publication date: March 11, 2010Inventors: GABOR KISS, ROBERT PATRICK REYNOLDS, JR., JOHN W. CHU, JAMES RICHARDSON LATTNER, GARY MOHR
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Publication number: 20090292085Abstract: Provided are methods of producing polymers with broadened molecular weight and/or composition distribution in a continuous homogeneous polymerization system utilizing reactor temperature gradients, reactor polymer concentration gradients, monomer concentration gradients, catalyst concentration gradients, and combinations thereof in the polymerization reactor. Such methods are particularly suitable when utilizing metallocene catalysts and other single-site catalysts, which generally produce polymers with narrow molecular weight and composition distribution.Type: ApplicationFiled: May 19, 2009Publication date: November 26, 2009Inventors: Gabor Kiss, Robert Patrick Reynolds, JR., John W. Chu, Patrick Brant, James Richardson Lattner
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Publication number: 20090163678Abstract: Provided are bulk homogeneous polymerization processes for producing ethylene propylene random copolymers. The process includes contacting in a reactor or in a series of reactors propylene monomer, ethylene comonomer with one or more catalyst systems and optional solvent (present at less than 40 wt %), wherein the reactor train is at a temperature of between 65° C. and 180° C.Type: ApplicationFiled: November 14, 2008Publication date: June 25, 2009Inventors: Gabor Kiss, Robert Patrick Reynolds, JR., John W. Chu, Steven P. Rucker, James Richardson Lattner
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Publication number: 20090076216Abstract: A process for fluid phase in-line blending of plasticized polymers is provided.Type: ApplicationFiled: September 9, 2008Publication date: March 19, 2009Inventors: Gabor Kiss, Alan Anthony Galuska, Robert Patrick Reynolds, JR., John W. Chu, Bryan R. Chapman, Patrick Brant, Sudhin Datta
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Patent number: 6329434Abstract: The instant invention is directed to a catalytic partial oxidation (CPO) process with improved ignition comprising; (a) igniting an ignition feed comprising hydrogen, diluent and oxygen in a catalytic partial oxidation catalyst bed wherein said ignition feed has a predetermined adiabatic reaction temperature sufficient to cause said catalyst bed to ignite in a manner which prevents said catalyst bed from undergoing thermal shock, (b) modifying said ignition feed following said ignition of said catalyst bed to obtain a reaction feed comprising oxygen and hydrocarbon-reactant in a molar ratio capable of producing partial oxidation products in said catalyst bed under partial oxidation conditions, wherein said modification of said ignition feed is conducted to accomplish a predetermined heatup rate of said catalyst bed, and wherein the amount of diluent present during said modification is sufficient to control the adiabatic reaction temperature.Type: GrantFiled: April 7, 2000Date of Patent: December 11, 2001Assignee: ExxonMobil Research and Engineering CompanyInventors: Michael Yu-Hsin Wen, Frank Hershkowitz, Robert Patrick Reynolds, Jr.