Patents by Inventor David E. Cockrill

David E. Cockrill 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).

  • Methods for preparing primary alkyl bromides
    Publication number: 20030083531
    Abstract: Methods of converting methyl chloride to methyl bromide include the steps of providing a composition comprising a bromide salt and a liquid; contacting the composition with gaseous methyl chloride and/or methyl chloride dissolved in a water-immiscible solvent; and recovering methyl bromide.
    Type: Application
    Filed: October 25, 2001
    Publication date: May 1, 2003
    Inventors: David T. Erdman, Jonathan D. Spicher, Mary F. Lamar, David E. Cockrill
  • Methods for preparing primary alkyl bromides
    Patent number: 6489525
    Abstract: Methods of converting methyl chloride to methyl bromide include the steps of providing a composition comprising a bromide salt and water; contacting the composition with a primary alkyl chloride; and recovering methyl bromide.
    Type: Grant
    Filed: October 5, 2001
    Date of Patent: December 3, 2002
    Assignee: Bayer Corporation
    Inventors: David T. Erdman, Jonathan D. Spicher, Mary F. Lamar, David E. Cockrill