Patents by Inventor Clifford Steven Labaw

Clifford Steven Labaw 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).

  • Imidazolemethylphosphonium salts
    Patent number: 4104472
    Abstract: New imidazolemethylphosphonium salts having a degradable group at the 2-position which are useful intermediates for preparing histamine H.sub.2 antagonists.
    Type: Grant
    Filed: May 24, 1977
    Date of Patent: August 1, 1978
    Assignee: SmithKline Corporation
    Inventors: Clifford Steven Labaw, Robert Lee Webb, George Robert Wellman