Patents by Inventor Darryl K. Whaley

Darryl K. Whaley 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).

  • Publication number: 20030092858
    Abstract: Silica powders and mixed silica-oxide powders and methods of preparing such powders for use as catalyst supports for polymerization processes.
    Type: Application
    Filed: February 27, 2002
    Publication date: May 15, 2003
    Inventors: Theresa A. Pecoraro, Ignatius Y. Chan, Darryl K. Whaley, Pamela R. Auburn
  • Publication number: 20030060582
    Abstract: Silica powders and mixed silica-oxide powders and methods of preparing such powders for use as catalyst supports for polymerization processes.
    Type: Application
    Filed: February 27, 2002
    Publication date: March 27, 2003
    Inventors: Theresa A. Percoraro, Ignatius Y. Chan, Darryl K. Whaley, Pamela R. Auburn
  • Patent number: 6372685
    Abstract: Silica powders and mixed silica-oxide powders and methods of preparing such powders for use as catalyst supports for polymerization processes.
    Type: Grant
    Filed: April 25, 2000
    Date of Patent: April 16, 2002
    Assignee: Chevron Phillips Chemical Company, LP
    Inventors: Theresa A. Pecoraro, Ignatius Y. Chan, Darryl K. Whaley, Pamela R. Auburn
  • Patent number: 6107236
    Abstract: Silica powders and mixed silica-oxide powders and methods of preparing such powders for use as catalyst supports for polymerization processes.
    Type: Grant
    Filed: April 14, 1998
    Date of Patent: August 22, 2000
    Assignee: Chevron Chemical Company LLC
    Inventors: Theresa A. Pecoraro, Ignatius Y. Chan, Darryl K. Whaley, Pamela R. Auburn