Patents by Inventor Scott T. Milner
Scott T. Milner 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: 8148450Abstract: Provided for herein is a process to produce an essentially homogeneous single liquid phase hydrocarbon-rubber cement from a polymer slurry comprising a hydrocarbon-rubber, a diluent, and unreacted monomer(s), the process comprising: (a) contacting the polymer slurry with a hydrocarbon solvent; and (b) removing the diluent in amounts not sufficiently more than is necessary to produce the essentially homogeneous single liquid phase hydrocarbon-rubber cement wherein the mass fraction of monomer(s) in the hydrocarbon-rubber cement, based on the total amount of hydrocarbon-rubber present in the hydrocarbon-rubber cement, is less than the mass fraction of monomer(s) in the hydrocarbon-rubber slurry, based on the total amount of hydrocarbon-rubber present in the hydrocarbon-rubber slurry, wherein the diluent comprises a hydrofluorocarbon.Type: GrantFiled: June 23, 2006Date of Patent: April 3, 2012Assignee: ExxonMobil Chemical Patents Inc.Inventors: Michael F. McDonald, Scott T. Milner, Timothy D. Shaffer, Robert N. Webb, Richard D. Hembree
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Patent number: 7981991Abstract: Methods for producing elastomers or elastomeric compositions are provided. One or more C4 to C7 isoolefins and one or more comonomers can be polymerized in the presence of a diluent comprising one or more hydrofluorocarbons to provide a slurry comprising polymer product, unreacted monomer and the diluent. The slurry can be extruded to separate at least a portion of the diluent from the polymer product. The separated diluent can be recycled for polymerizing the one or more C4 to C7 isoolefins.Type: GrantFiled: April 20, 2007Date of Patent: July 19, 2011Assignee: ExxonMobil Chemical Patents Inc.Inventors: Michael F. McDonald, Scott T. Milner, Timothy D. Shaffer, Robert N. Webb
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Patent number: 7629397Abstract: Provided for herein is a process for separating a hydrocarbon-rubber from a hydrofluorocarbon diluent comprising contacting a polymer slurry comprising the hydrocarbon-rubber dispersed within the hydrofluorocarbon diluent with a hydrocarbon solvent capable of dissolving the hydrocarbon-rubber, to produce a first liquid phase and a second liquid phase, and separating the first liquid phase from the second liquid phase.Type: GrantFiled: June 23, 2006Date of Patent: December 8, 2009Assignee: ExxonMobil Chemical Patents Inc.Inventors: Michael F. McDonald, Scott T. Milner, D. Shaffer Timothy, N. Webb Robert, D. Hembree Richard
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Publication number: 20080262180Abstract: Methods for producing elastomers or elastomeric compositions are provided. One or more C4 to C7 isoolefins and one or more comonomers can be polymerized in the presence of a diluent comprising one or more hydrofluorocarbons to provide a slurry comprising polymer product, unreacted monomer and the diluent. The slurry can be extruded to separate at least a portion of the diluent from the polymer product. The separated diluent can be recycled for polymerizing the one or more C4 to C7 isoolefins.Type: ApplicationFiled: April 20, 2007Publication date: October 23, 2008Inventors: Michael F. McDonald, Scott T. Milner, Timothy D. Shaffer, Robert N. Webb
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Publication number: 20070299161Abstract: Provided for herein is a process for separating a hydrocarbon-rubber from a hydrofluorocarbon diluent comprising contacting a polymer slurry comprising the hydrocarbon-rubber dispersed within the hydrofluorocarbon diluent with a hydrocarbon solvent capable of dissolving the hydrocarbon-rubber, to produce a first liquid phase and a second liquid phase, and separating the first liquid phase from the second liquid phase.Type: ApplicationFiled: June 23, 2006Publication date: December 27, 2007Inventors: Michael F. McDonald, Scott T. Milner, D. Shaffer Timothy, N. Webb Robert, D. Hembree Richard
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Publication number: 20070299190Abstract: Provided for herein is a process to produce an essentially homogeneous single liquid phase hydrocarbon-rubber cement from a polymer slurry comprising a hydrocarbon-rubber, a diluent, and unreacted monomer(s), the process comprising: (a) contacting the polymer slurry with a hydrocarbon solvent; and (b) removing the diluent in amounts not sufficiently more than is necessary to produce the essentially homogeneous single liquid phase hydrocarbon-rubber cement wherein the mass fraction of monomer(s) in the hydrocarbon-rubber cement, based on the total amount of hydrocarbon-rubber present in the hydrocarbon-rubber cement, is less than the mass fraction of monomer(s) in the hydrocarbon-rubber slurry, based on the total amount of hydrocarbon-rubber present in the hydrocarbon-rubber slurry, wherein the diluent comprises a hydrofluorocarbon.Type: ApplicationFiled: June 23, 2006Publication date: December 27, 2007Inventors: Michael F. McDonald, Scott T. Milner, D. Shaffer Timothy, N. Webb Robert, D. Hembree Richard
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Patent number: 6417281Abstract: The invention is directed to essentially saturated hydrocarbon polymer composition comprising essentially saturated hydrocarbon polymers having A) a backbone chain; B) a plurality of essentially hydrocarbyl sidechains connected to A), said sidechains each having a number-average molecular weight of from 2500 Daltons to 125,000 Daltons and a MWD by SEC of 1.0-3.5; and having A) a Newtonian limiting viscosity (&eegr;0) at 190° C. at least 50% greater than that of a linear olefinic polymer of the same chemical composition and weight average molecular weight, preferably at least twice as great as that of said linear polymer, B) a ratio of the rubbery plateau modulus at 190° C. to that of a linear polymer of the same chemical composition less than 0.5, preferably <0.3, C) a ratio of the Newtonian limiting viscosity (&eegr;0) to the absolute value of the complex viscosity in oscillatory shear (&eegr;*)at 100 rad/sec at 190° C.Type: GrantFiled: August 23, 2001Date of Patent: July 9, 2002Assignee: ExxonMobil Chemical Patents Inc.Inventors: Cesar A. Garcia-Franco, David J. Lohse, Robert A. Mendelson, Lewis J. Fetters, Scott T. Milner, Nikos Hadjichristidis, David W. Mead
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Patent number: 6391998Abstract: The invention is directed to essentially saturated hydrocarbon polymer composition comprising essentially saturated hydrocarbon polymers having A) a backbone chain, B) a plurality of essentially hydrocarbyl sidechains connected to A), said sidechains each having a number-average molecular weight of from 2500 Daltons to 125,000 Daltons and a MWD by SEC of 1.0-3.5; and having A) a Newtonian limiting viscosity (&eegr;0) at 190° C. at least 50% greater than that of a linear olefinic polymer of the same chemical composition and weight average molecular weight, preferably at least twice as great as that of said linear polymer, B) a ratio of the rubbery plateau modulus at 190° C. to that of a linear polymer of the same chemical composition less than 0.5, preferably <0.3, C) a ratio of the Newtonian limiting viscosity (&eegr;0) to the absolute value of the complex viscosity in oscillatory shear (&eegr;*)at 100 rad/sec at 190° C.Type: GrantFiled: August 30, 2001Date of Patent: May 21, 2002Assignee: ExxonMobil Chemical Patents, Inc.Inventors: Cesar A. Garcia-Franco, David J. Lohse, Robert A. Mendelson, Lewis J. Fetters, Scott T. Milner, Nikos Hadjichristidis, David W. Mead
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Publication number: 20020049292Abstract: The invention is directed to essentially saturated hydrocarbon polymer composition comprising essentially saturated hydrocarbon polymers having A) a backbone chain; B) a plurality of essentially hydrocarbyl sidechains connected to A), said sidechains each having a number-average molecular weight of from 2500 Daltons to 125,000 Daltons and a MWD by SEC of 1.0-3.5; and having A) a Newtonian limiting viscosity (&eegr;0) at 190° C. at least 50% greater than that of a linear olefinic polymer of the same chemical composition and weight average molecular weight, preferably at least twice as great as that of said linear polymer, B) a ratio of the rubbery plateau modulus at 190° C. to that of a linear polymer of the same chemical composition less than 0.5, preferably <0.3, C) a ratio of the Newtonian limiting viscosity (&eegr;0) to the absolute value of the complex viscosity in oscillatory shear (&eegr;*)at 100 rad/sec at 190° C.Type: ApplicationFiled: August 23, 2001Publication date: April 25, 2002Inventors: Cesar A. Garcia-Franco, David J. Lohse, Robert A. Mendelson, Lewis J. Fetters, Scott T. Milner, Nikos Hadjichristidis, David W. Mead
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Patent number: 6355757Abstract: The invention is directed to essentially saturated hydrocarbon polymer composition comprising essentially saturated hydrocarbon polymers having A) a backbone chain, B) a plurality of essentially hydrocarbyl sidechains connected to A), said sidechains each having a number-average molecular weight of from 2500 Daltons to 125,000 Daltons and a MWD by SEC of 1.0-3.5; and having A) a Newtonian limiting viscosity (&eegr;0) at 190° C. at least 50% greater than that of a linear olefinic polymer of the same chemical composition and weight average molecular weight, preferably at least twice as great as that of said linear polymer, B) a ratio of the rubbery plateau modulus at 190° C. to that of a linear polymer of the same chemical composition less than 0.5, preferably <0.3, C) a ratio of the Newtonian limiting viscosity (&eegr;0) to the absolute value of the complex viscosity in oscillatory shear (&eegr;*)at 100 rad/sec at 190° C.Type: GrantFiled: February 6, 1998Date of Patent: March 12, 2002Assignee: ExxonMobil Chemical Patents, Inc.Inventors: Cesar A. Garcia-Franco, David J. Lohse, Robert A. Mendelson, Lewis J. Fetters, Scott T. Milner, Nikos Hadjichristidis, David W. Mead
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Publication number: 20020028896Abstract: The invention is directed to essentially saturated hydrocarbon polymer composition comprising essentially saturated hydrocarbon polymers having A) a backbone chain; B) a plurality of essentially hydrocarbyl sidechains connected to A), said sidechains each having a number-average molecular weight of from 2500 Daltons to 125,000 Daltons and a MWD by SEC of 1.0-3.5; and having A) a Newtonian kimiting viscosity (&eegr;0) at 190° C. at least 50% greater than that of a linear olefinic polymer of the same chemical composition and weight average molecular weight, preferably at least twice as great as that of said linear polymer, B) a ratio of the rubbery plateau modulus at 190° C. to that of a linear polymer of the same chemical composition less than 0.5, preferably <0.3, C) a ratio of the Newtonian limiting viscosity (&eegr;0) to the absolute value of the complex viscosity in oscillatory shear (&eegr;*)at 100 rad/sec at 190° C.Type: ApplicationFiled: August 30, 2001Publication date: March 7, 2002Inventors: Cesar A. Garcia-Franco, David J. Lohse, Robert A. Mendelson, Lewis J. Fetters, Scott T. Milner, Nikos Hadjichristidis, David W. Mead
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Publication number: 20020010278Abstract: The invention is directed to essentially saturated hydrocarbon polymer composition comprising essentially saturated hydrocarbon polymers having A) a backbone chain; B) a plurality of essentially hydrocarbyl sidechains connected to A), said sidechains each having a number-average molecular weight of from 2500 Daltons to 125,000 Daltons and a MWD by SEC of 1.0-3.5; and having A) a Newtonian limiting viscosity (&eegr;0) at 190° C. at least 50% greater than that of a linear olefinic polymer of the same chemical composition and weight average molecular weight, preferably at least twice as great as that of said linear polymer, B) a ratio of the rubbery plateau modulus at 190° C. to that of a linear polymer of the same chemical composition less than 0.5, preferably <0.3, C) a ratio of the Newtonian limiting viscosity (&eegr;0) to the absolute value of the complex viscosity in oscillatory shear (&eegr;*)at 100 rad/sec at 190° C.Type: ApplicationFiled: February 6, 1998Publication date: January 24, 2002Inventors: CESAR A. GARCIA-FRANCO, DAVID J. LOHSE, ROBERT A. MENDELSON, LEWIS J. FETTERS, SCOTT T. MILNER, NIKOS HADJICHRISTIDIS, DAVID W. MEAD