Patents by Inventor Derek W. Thurman

Derek W. Thurman 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).

  • Patent number: 12157821
    Abstract: Described herein are tires comprising a rubber composition based on at least an elastomer and a hydrocarbon resin, wherein the hydrocarbon resin is based on a cyclic monomer selected from the group consisting of a distillation cut from a petroleum refinery stream, and/or C4, C5 or C6 cyclic olefins and mixtures thereof, and wherein the hydrocarbon resin has a number average molecular weight (Mn) of between 150 and 800 g/mol, and a content of aromatic protons (H Ar, expressed in mol %), a glass transition temperature (Tg, expressed in ° C.), and a number average molecular weight (Mn, expressed in g/mol) that are represented by (1) H Ar?6 mol %, (2) Tg?95?2.2*(H Ar), (3) Tg?125?(0.08*Mn).
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: December 3, 2024
    Assignee: COMPAGNIE GENERALE DES ETABLILSSEMENTS MICHELIN
    Inventors: Fabien Bonnette, Laurent Copey, Benoit De Gaudemaris, Olivier J. F. Georjon, Derek W. Thurman, Ranjan Tripathy, Alain Hut
  • Patent number: 11629209
    Abstract: This invention relates to a catalyst system including the reaction product of a support (such as a fluorided silica support that preferably has not been calcined at a temperature of 400° C. or more), an activator and at least two different transition metal catalyst compounds; methods of making such catalyst systems, polymerization processes using such catalyst systems and polymers made therefrom.
    Type: Grant
    Filed: May 18, 2022
    Date of Patent: April 18, 2023
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Rohan A. Hule, Antonios K. Doufas, Derek W. Thurman, Crisita Carmen H. Atienza, Matthew W. Holtcamp, David F. Sanders, Matthew S. Bedoya
  • Publication number: 20220289883
    Abstract: This invention relates to a catalyst system including the reaction product of a support (such as a fluorided silica support that preferably has not been calcined at a temperature of 400° C. or more), an activator and at least two different transition metal catalyst compounds; methods of making such catalyst systems, polymerization processes using such catalyst systems and polymers made therefrom.
    Type: Application
    Filed: May 18, 2022
    Publication date: September 15, 2022
    Inventors: Rohan A. HULE, Antonios K. DOUFAS, Derek W. THURMAN, Crisita Carmen H. ATIENZA, Matthew W. HOLTCAMP, David F. SANDERS, Matthew S. BEDOYA
  • Publication number: 20220267489
    Abstract: Described herein are hydrocarbon polymer modifiers for use in various applications. The hydrocarbon polymer modifier comprises a cyclic component, and has a glass transition temperature and Mn defined by the following two equations: (1) Tg?95?2.2*(% H Ar); and (2) Tg??53+(0.265*Mn) and an aromaticity content of greater than 6 mole %, wherein Tg is glass transition temperature as expressed in ° C. of the modifier, the % H Ar represents the content of aromatic protons in the hydrocarbon polymer modifier, and Mn represents the number average molecular weight of the hydrocarbon polymer modifier, and the cyclic component is selected from the group of a distillation cut from a petroleum refinery stream, and/or C4 C5 or C6 cyclic olefins and mixtures thereof. The hydrocarbon modifiers are particularly useful in high Tg applications where low molecular weight resin is desirable.
    Type: Application
    Filed: July 10, 2020
    Publication date: August 25, 2022
    Inventors: Ranjan Tripathy, Rajesh P. Raja, Derek W. Thurman, Olivier Jean Francois Georjon, Alexandra K. Valdez, Benoit de Gaudemaris, Laurent Copey, Fabien Bonnette
  • Publication number: 20220259415
    Abstract: Described herein are tires comprising a rubber composition based on at least an elastomer matrix comprising from 50 to 100 phr of one or more copolymers of butadiene and of vinylaromatic monomer, having a content of vinylaromatic units of between 0 and 5% by weight and a Tg within a range extending from ?110° C. to ?70° C.; and a hydrocarbon resin, wherein the hydrocarbon resin is based on a cyclic monomer selected from the group consisting of a distillation cut from a petroleum refinery stream, and/or C4, C5 or C6 cyclic olefins and mixtures thereof, and wherein the hydrocarbon resin has a content of aromatic protons (H Ar, expressed in mol %), a glass transition temperature (Tg, expressed in ° C.), and a number average molecular weight (Mn, expressed in g/mol) that are represented by (1) H Ar>6 mol %, (2) Tg?95?2.2*(H Ar), and (3) Tg??53+(0.265*Mn).
    Type: Application
    Filed: July 10, 2020
    Publication date: August 18, 2022
    Inventors: FABIEN BONNETTE, LAURENT COPEY, BENOIT DE GAUDEMARIS, OLIVIER J. F. GEORJON, DEREK W. THURMAN, RANJAN TRIPATHY, ALAIN HUT
  • Publication number: 20220251270
    Abstract: Described herein are hydrocarbon polymer modifiers for use in various applications. The hydrocarbon polymer modifier comprises a cyclic component, and has a glass transition temperature and Mn defined by the following two equations: (1) Tg?95-2.2*(% H Ar); and (2) Tg?125?(0.08*Mn) and an aromaticity content of less than or equal to 6 mole %, wherein Tg is glass transition temperature as expressed in ° C. of the modifier, the % H Ar represents the content of aromatic protons in the hydrocarbon polymer modifier, and Mn represents the number average molecular weight of the hydrocarbon polymer modifier, and the cyclic component is selected from the group of a distillation cut from a petroleum refinery stream, and/or C4 C5 or C6 cyclic olefins and mixtures thereof, and wherein the hydrocarbon polymer modifier has number average molecular weight (Mn) of between 150 and 800 g/mol.
    Type: Application
    Filed: July 10, 2020
    Publication date: August 11, 2022
    Inventors: Ranjan Tripathy, Rajesh P. Raja, Derek W. Thurman, Olivier Jean Francois Georjon, Alexandra K. Vaidez, Benoit de Gaudemaris, Laurent Copey, Fabien Bonnette
  • Publication number: 20220251349
    Abstract: Described herein are tires comprising a rubber composition based on at least an elastomer matrix comprising from 50 to 100 phr of one or more copolymers of butadiene and of vinylaromatic monomer, having a content of vinylaromatic units of between 0 and 5% by weight and a Tg within a range extending from ?110° C. to ?70° C.; and a hydrocarbon resin, wherein the hydrocarbon resin is based on a cyclic monomer selected from the group consisting of a distillation cut from a petroleum refinery stream, and/or C4, C5 or C6 cyclic olefins and mixtures thereof, and wherein the hydrocarbon resin has a content of aromatic protons (H Ar, expressed in mol %), a glass transition temperature (Tg, expressed in ° C.), and a number average molecular weight (Mn, expressed in g/mol) that are represented by (1) H Ar?6 mol %, (2) Tg?95?2.2*(H Ar), (3) Tg?125?(0.08*Mn).
    Type: Application
    Filed: July 10, 2020
    Publication date: August 11, 2022
    Inventors: FABIEN BONNETTE, LAURENT COPEY, BENOIT DE GAUDEMARIS, OLIVIER J. F. GEORJON, DEREK W. THURMAN, RANJAN TRIPATHY, ALAIN HUT
  • Publication number: 20220251350
    Abstract: Described herein are tires comprising a rubber composition based on at least an elastomer and a hydrocarbon resin, wherein [[said]]the hydrocarbon resin is based on a cyclic monomer selected from the group consisting of a distillation cut from a petroleum refinery stream, and/or C4, C5 or C6 cyclic olefins and mixtures thereof, and wherein the hydrocarbon resin has a number average molecular weight (Mn) of between 150 and 800 g/mol, and a content of aromatic protons (H Ar, expressed in mol %), a glass transition temperature (Tg, expressed in ° C.), and a number average molecular weight (Mn, expressed in g/mol) that are represented by (1) H Ar<6 mol %, (2) Tg?95?2.2*(H Ar), (3) Tg?125?(0.08*Mn).
    Type: Application
    Filed: July 10, 2020
    Publication date: August 11, 2022
    Inventors: FABIEN BONNETTE, LAURENT COPEY, BENOIT DE GAUDEMARIS, OLIVIER J. F. GEORJON, DEREK W. THURMAN, RANJAN TRIPATHY, ALAIN HUT
  • Publication number: 20220227975
    Abstract: Described herein are tires comprising a rubber composition based on at least an elastomer and a hydrocarbon resin, wherein the hydrocarbon resin is based on a cyclic monomer selected from the group consisting of a distillation cut from a petroleum refinery stream, and/or C4, C5 or C6 cyclic olefins and mixtures thereof, and wherein the hydrocarbon resin has a content of aromatic protons (H Ar, expressed in mol %), a glass transition temperature (Tg, expressed in ° C.), and a number average molecular weight (Mn, expressed in g/mol) that are represented by (1) H Ar>6 mol %, (2) Tg?95?2.2*(H Ar), and (3) Tg??53+(0.265*Mn).
    Type: Application
    Filed: July 10, 2020
    Publication date: July 21, 2022
    Inventors: FABIEN BONNETTE, LAURENT COPEY, BENOIT DE GAUDEMARIS, OLIVIER J. F. GEORJON, DEREK W. THURMAN, RANJAN TRIPATHY, ALAIN HUT
  • Patent number: 11370860
    Abstract: This invention relates to a catalyst system including the reaction product of a support (such as a fluorided silica support that preferably has not been calcined at a temperature of 400° C. or more), an activator and at least two different transition metal catalyst compounds; methods of making such catalyst systems, polymerization processes using such catalyst systems and polymers made therefrom.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: June 28, 2022
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Rohan A. Hule, Antonios K. Doufas, Derek W. Thurman, Crisita Carmen H. Atienza, Matthew W. Holtcamp, David F. Sanders, Matthew S. Bedoya
  • Patent number: 10590212
    Abstract: This invention relates to new multimodal and/or broad molecular weight high density polyethylene polymers. The polymers may be made in a single reactor, preferably a gas phase reactor using a dual catalyst system comprising a pyridyldiamido transition metal compound, a metallocene compound, a support, and optionally an activator.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: March 17, 2020
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Antonios K. Doufas, David F. Sanders, Alexander I. Norman, Matthew W. Holtcamp, Keith R. Green, Rohan A. Hule, Derek W. Thurman
  • Publication number: 20200048383
    Abstract: This invention relates to a catalyst system including the reaction product of a support (such as a fluorided silica support that preferably has not been calcined at a temperature of 400° C. or more), an activator and at least two different transition metal catalyst compounds; methods of making such catalyst systems, polymerization processes using such catalyst systems and polymers made therefrom.
    Type: Application
    Filed: October 4, 2017
    Publication date: February 13, 2020
    Inventors: Rohan A. Hule, Antonios K. Doufas, Derek W. Thurman, Crlsita Carmen H. Atienza, Matthew W. Hoitcamp, David F. Sanders, Matthew S. Bedoya
  • Patent number: 10100183
    Abstract: This invention relates in one aspect to propylene polymers comprising propylene, said polymers having a melt flow rate (MFR, ASTM 1238, 230° C., 2.16 kg) of 10 dg/min to 25 dg/min; a Dimensionless Stress Ratio/Loss Tangent Index R2 at 190° C. from 1.5 to 28; an average meso run length determined by 13C NMR of at least 70 or higher; and an MFR MFR Ratio of at least 1.0 and optionally, a Loss Tangent, tan ?, at an angular frequency of 0.1 rad/s at 190° C. from 14 to 100. The inventive propylene polymer compositions are useful in in molded articles and non-woven fibers and fabrics.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: October 16, 2018
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Jeanne M. MacDonald, Antonios Doufas, Jerome Sarrazin, William M. Ferry, Charles J. Ruff, Rahul R. Kulkarni, Derek W. Thurman, Cynthia A. Mitchell
  • Publication number: 20180079845
    Abstract: This invention relates to new multimodal and/or broad molecular weight high density polyethylene polymers. The polymers may be made in a single reactor, preferably a gas phase reactor using a dual catalyst system comprising a pyridyldiamido transition metal compound, a metallocene compound, a support, and optionally an activator.
    Type: Application
    Filed: April 20, 2016
    Publication date: March 22, 2018
    Inventors: Antonios K. Doufas, David F. Sanders, Alexander I. Norman, Matthew W. Holtcamp, Keith R. Green, Rohan A. Hule, Derek W. Thurman
  • Patent number: 9303341
    Abstract: Disclosed herein is a nonwoven fabric comprising within the range of from 1 to 49 wt %, by weight of the fabric, of a reactor grade propylene-?-olefin copolymer possessing; within the range of from 5 to 35 wt %, by weight of the copolymer, of units derived from one or more of ethylene and/or C4 to C12 ?-olefins; a melt flow rate (230° C./2.16 kg) within the range of from 600 to 7500 g/10 min; and a weight average molecular weight of less than 200,000; and a second polypropylene having a melting point, Tm, of greater than 110° C. and a melt flow rate (230° C./2.16 kg) within the range of from 20 to 7500 g/10 min; wherein the fabric has a Handle value of less than 60% (measuring the fabric of 35 g/m2 basis weight). The fabric can be used in structures comprising one or more layers of the fabric described herein, and can include any number of other fabric layers made from other materials.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: April 5, 2016
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Sudhin Datta, Derek W. Thurman, Chia Y. Cheng, Kuangyao B. Peng
  • Patent number: 9303158
    Abstract: Disclosed herein is a nonwoven fabric comprising within the range of from 50 to 99 wt %, by weight of the composition, of a reactor grade propylene-?-olefin copolymer possessing within the range of from 5 to 35 wt %, by weight of the copolymer, of units derived from one or more of ethylene and/or C4 to C12 ?-olefins; a melt flow rate (230° C./2.16 kg) within the range of from 500 to 7500 g/10 min; and a weight average molecular weight of less than 200,000; and a second polypropylene having a melting point, Tm, of greater than 110° C. and a melt flow rate (230° C./2.16 kg) within the range of from 20 to 7500 g/10 min; wherein the fabric has a CD Elongation value of greater than 50% (measuring the fabric of 35 g/m2 basis weight). The fabric described herein can be used in structures comprising one or more layers of the fabric described herein, and can include any number of other fabric layers made from other materials.
    Type: Grant
    Filed: September 12, 2014
    Date of Patent: April 5, 2016
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Sudhin Datta, Derek W. Thurman, Chia Y. Cheng, Kuangyao B. Peng
  • Publication number: 20150274907
    Abstract: This invention relates in one aspect to propylene polymers comprising propylene, said polymers having a melt flow rate (MFR, ASTM 1238, 230° C., 2.16 kg) of 10 dg/min to 25 dg/min; a Dimensionless Stress Ratio/Loss Tangent Index R2 at 190° C. from 1.5 to 28; an average meso run length determined by 13C NMR of at least 70 or higher; and an MFR MFR Ratio of at least 1.0 and optionally, a Loss Tangent, tan ?, at an angular frequency of 0.1 rad/s at 190° C. from 14 to 100. The inventive propylene polymer compositions are useful in in molded articles and non-woven fibers and fabrics.
    Type: Application
    Filed: November 25, 2013
    Publication date: October 1, 2015
    Inventors: Jeanne M. MacDonald, Antonios Doufas, Jerome Sarrazin, William M. Ferry, Charles J. Ruff, Rahul R. Kulkarni, Derek W. Thurman, Cynthia A. Mitchell
  • Publication number: 20140374968
    Abstract: Disclosed herein is a nonwoven fabric comprising within the range of from 50 to 99 wt %, by weight of the composition, of a reactor grade propylene-?-olefin copolymer possessing within the range of from 5 to 35 wt %, by weight of the copolymer, of units derived from one or more of ethylene and/or C4 to C12 ?-olefins; a melt flow rate (230° C./2.16 kg) within the range of from 500 to 7500 g/10 min; and a weight average molecular weight of less than 200,000; and a second polypropylene having a melting point, Tm, of greater than 110° C. and a melt flow rate (230° C./2.16 kg) within the range of from 20 to 7500 g/10 min; wherein the fabric has a CD Elongation value of greater than 50% (measuring the fabric of 35 g/m2 basis weight). The fabric described herein can be used in structures comprising one or more layers of the fabric described herein, and can include any number of other fabric layers made from other materials.
    Type: Application
    Filed: September 12, 2014
    Publication date: December 25, 2014
    Inventors: Sudhin Datta, Derek W. Thurman, Chia Y. Cheng, Kuangyao B. Peng
  • Publication number: 20140374967
    Abstract: Disclosed herein is a nonwoven fabric comprising within the range of from 1 to 49 wt %, by weight of the fabric, of a reactor grade propylene-?-olefin copolymer possessing; within the range of from 5 to 35 wt %, by weight of the copolymer, of units derived from one or more of ethylene and/or C4 to C12 ?-olefins; a melt flow rate (230° C./2.16 kg) within the range of from 600 to 7500 g/10 min; and a weight average molecular weight of less than 200,000; and a second polypropylene having a melting point, Tm, of greater than 110° C. and a melt flow rate (230° C./2.16 kg) within the range of from 20 to 7500 g/10 min; wherein the fabric has a Handle value of less than 60% (measuring the fabric of 35 g/m2 basis weight). The fabric can be used in structures comprising one or more layers of the fabric described herein, and can include any number of other fabric layers made from other materials.
    Type: Application
    Filed: September 12, 2014
    Publication date: December 25, 2014
    Inventors: Sudhin Datta, Derek W. Thurman, Chia Y. Cheng, Kuangyao B. Peng
  • Patent number: 8815436
    Abstract: Embodiments of the present invention generally relate to microporous membrane, methods for making microporous membrane, and the use of microporous membrane as battery separator film. More particularly, the invention relates to a microporous polymeric membrane including a paraxylylene polymer or copolymer, particularly in combination with a polymeric microporous membrane. The paraxylylene polymer or copolymer can be formed on or laminated to the microporous polymeric membrane.
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: August 26, 2014
    Assignee: Toray Battery Separator Film Co., Ltd.
    Inventors: Patrick Brant, Derek W. Thurman, Daniel P. Cherney