Patents by Inventor William Stivers

William Stivers 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).

  • Galactomannan compositions and methods for making and using same
    Publication number: 20050164892
    Abstract: The present invention relates to a method for depolymerizing galactomannan and derivatives thereof. The present invention relates to compositions comprising galactomannan and derivatives thereof prepared according to the methods of this invention and uses for the compositions. The present invention also relates to compositions comprising hydroxypropylgalactomannan having a specific polydispersity index, weight average molecular weight and viscosity in solution.
    Type: Application
    Filed: March 22, 2005
    Publication date: July 28, 2005
    Inventors: Jesse Magallanes, Sylvain Diguet, William Stivers
  • Galactomannan compositions and methods for making and using same
    Patent number: 6884884
    Abstract: The present invention relates to a method for depolymerizing galactomannan and derivatives thereof. The present invention relates to compositions comprising galactomannan and derivatives thereof prepared according to the methods of this invention and uses for the compositions. The present invention also relates to compositions comprising hydroxypropylgalactomannan having a specific polydispersity index, weight average molecular weight and viscosity in solution.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: April 26, 2005
    Assignee: Rhodia, Inc.
    Inventors: Jesse Magallanes, Sylvain Diguet, William Stivers
  • Galactomannan compositions and methods for making and using same
    Publication number: 20030045708
    Abstract: The present invention relates to a method for depolymerizing galactomannan and derivatives thereof. The present invention relates to compositions comprising galactomannan and derivatives thereof prepared according to the methods of this invention and uses for the compositions. The present invention also relates to compositions comprising hydroxypropylgalactomannan having a specific polydispersity index, weight average molecular weight and viscosity in solution.
    Type: Application
    Filed: June 10, 2002
    Publication date: March 6, 2003
    Inventors: Jesse Magallanes, Sylvain Diguet, William Stivers