Patents by Inventor Larry Allen Divens

Larry Allen Divens 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: 9290520
    Abstract: Diol derived blocked mercaptofunctional silane compositions in which the silanes comprise cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and processes for their preparation are provided. Also provided are rubber compositions comprising the cyclic diol-derived blocked mercaptofunctional silanes, processes for their preparation and articles of manufacture comprising the rubber compositions, in particular, automotive tires and components thereof.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: March 22, 2016
    Assignee: Momentive Performance Materials Inc.
    Inventors: Richard W Cruse, Leda N. Gonzalez, Rodica Himmeldirk, Larry Allen Divens, Melinda Jackson, Eric Raymond Pohl, Antonio Chaves
  • Publication number: 20140076202
    Abstract: Diol derived blocked mercaptofunctional silane compositions in which the silanes comprise cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and processes for their preparation are provided. Also provided are rubber compositions comprising the cyclic diol-derived blocked mercaptofunctional silanes, processes for their preparation and articles of manufacture comprising the rubber compositions, in particular, automotive tires and components thereof.
    Type: Application
    Filed: November 25, 2013
    Publication date: March 20, 2014
    Applicant: Momentive Performance Materials Inc.
    Inventors: Richard W. Cruse, Leda N. Gonzalez, Rodica Himmeldirk, Larry Allen Divens, Melinda Jackson, Eric Raymond Pohl, Antonio Chaves
  • Patent number: 8609877
    Abstract: Diol derived blocked mercaptofunctional silane compositions in which the silanes comprise cyclic and bridged alkoxy groups derived from hydrocarbon-based diols and processes for their preparation are provided. Also provided are rubber compositions comprising the cyclic diol-derived blocked mercaptofunctional silanes, processes for their preparation and articles of manufacture comprising the rubber compositions, in particular, automotive tires and components thereof.
    Type: Grant
    Filed: November 1, 2010
    Date of Patent: December 17, 2013
    Assignee: Momentive Performance Materials, Inc.
    Inventors: Richard W. Cruse, Leda N. Gonzalez, Rodica Himmeldirk, Larry Allen Divens, Melinda Jackson, Eric Raymond Pohl, Antonio Chaves