Patents by Inventor Larry Divins

Larry Divins 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).

  • PROCESS FOR PRODUCING ORGANOALKOXYSILANES FROM ORGANIC ACIDS OR CYANATES AND HALOALKYLALKOXYSILANES
    Publication number: 20070032673
    Abstract: A process for the preparation of organoalkoxysilanes containing one or more organic functional groups derived from organic acids or hydrogen cyanates, by a continuous or batch process utilizing a solid guanidinium salt as a phase transfer catalyst for the reaction between a liquid phase haloalkylalkoxysilane and a solid phase alkali or alkaline earth metal salt or ammonium salt of an organic acid or a metal cyanate.
    Type: Application
    Filed: September 29, 2005
    Publication date: February 8, 2007
    Inventors: Robert Sheridan, Larry Divins, Michael Powell
  • Cyclic diol-derived blocked mercaptofunctional silane compositions
    Publication number: 20060041063
    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: August 19, 2005
    Publication date: February 23, 2006
    Inventors: Richard Cruse, Leda Gonzalez, Rodica Himmeldirk, Larry Divins, Melinda Jackson, Eric Pohl, Antonio Chaves
  • Cyclic diol-derived blocked mercaptofunctional silane compositions
    Publication number: 20050245753
    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: August 20, 2004
    Publication date: November 3, 2005
    Inventors: Richard Cruse, Leda Gonzalez, Rodica Himmeldirk, Larry Divins, Melinda Jackson