Patents by Inventor Robert Christopher Napier

Robert Christopher Napier 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).

  • Processing aids for elastomeric compositions
    Patent number: 8283407
    Abstract: The invention provides for processes to produce elastomeric compositions, the processes including contacting at least one elastomer with a processing aid, wherein the processing aid includes the reaction product of at least one functionalized polymer having at least one anhydride group contacted with at least one polyamine, wherein the at least one polyamine includes at least one primary amine. The invention also provides for articles such as innerliners for tires produced from the aforementioned elastomeric compositions.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: October 9, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Walter Harvey Waddell, David Yen-Lung Chung, Robert Christopher Napier, Donald Sheley Tracey
  • Processing aids for elastomeric compositions
    Patent number: 8247496
    Abstract: The invention provides for processes to produce elastomeric compositions, the processes including contacting at least one elastomer with a processing aid, wherein the processing aid comprises at least one functionalized polymer having at least one halogen group. The invention also provides for articles such as innerliners for tires produced from the aforementioned elastomeric compositions.
    Type: Grant
    Filed: December 5, 2005
    Date of Patent: August 21, 2012
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Walter Harvey Waddell, David Yen-Lung Chung, Robert Christopher Napier, Donald Sheley Tracey
  • Processing aids for elastomeric compositions
    Patent number: 7960454
    Abstract: The invention provides for processes to produce elastomeric compositions, the processes including contacting at least one elastomer with a processing aid, wherein the processing aid comprises at least one functionalized polymer having at least one anhydride group. The invention also provides for articles such as innerliners for tires produced from the aforementioned elastomeric compositions.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: June 14, 2011
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Walter Harvey Waddell, David Yen-Lung Chung, Robert Christopher Napier, Donald Sheley Tracey, Dirk Frans Rouckhout
  • Processing Aids for Elastomeric Compositions
    Publication number: 20080319119
    Abstract: The invention provides for processes to produce elastomeric compositions, the processes including contacting at least one elastomer with a processing aid, wherein the processing aid includes the reaction product of at least one functionalized polymer having at least one anhydride group contacted with at least one polyamine, wherein the at least one polyamine includes at least one primary amine. The invention also provides for articles such as innerliners for tires produced from the aforementioned elastomeric compositions.
    Type: Application
    Filed: December 16, 2005
    Publication date: December 25, 2008
    Applicant: EXXONMOBIL CHEMICAL PATENTS INC.
    Inventors: Walter Harvey Waddell, David Yen-Lung Chung, Robert Christopher Napier, Donald Sheley Tracey
  • Processing Aids for Elastomeric Compositions
    Publication number: 20080281021
    Abstract: The invention provides for processes to produce elastomeric compositions, the processes including contacting at least one elastomer with a processing aid, wherein the processing aid comprises at least one functionalized polymer having at least one anhydride group. The invention also provides for articles such as innerliners for tires produced from the aforementioned elastomeric compositions.
    Type: Application
    Filed: December 16, 2005
    Publication date: November 13, 2008
    Applicant: EXXONMOBIL CHEMICAL PATNES INC.
    Inventors: Walter Harvey Waddell, David Yen-Lung Chung, Robert Christopher Napier, Donald Sheley Tracey, Dirk Frans Rouckhout
  • Processing Aids for Elastomeric Compositions
    Publication number: 20080262130
    Abstract: The invention provides for processes to produce elastomeric compositions, the processes including contacting at least one elastomer with a processing aid, wherein the processing aid comprises at least one functionalized polymer having at least one halogen group. The invention also provides for articles such as innerliners for tires produced from the aforementioned elastomeric compositions.
    Type: Application
    Filed: December 5, 2005
    Publication date: October 23, 2008
    Inventors: Walter Harvey Waddell, David Yen-Lung Chung, Robert Christopher Napier, Donald Sheley Tracey