Patents by Inventor Clyde Eugene Stauffer

Clyde Eugene Stauffer 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 N-acyl-L-methionine
    Patent number: 3963573
    Abstract: A process for producing optically pure N-acyl-L-methionine comprising (1) subjecting an N-acyl-D,L-methionine ester to the action of a proteolytic enzyme selected from the group consisting of sulfhydryl proteinases and microbially derived serine proteinases; and (2) separating the resulting N-acyl-L-methionine. The N-acyl group can be chemically removed to provide L-methionine.
    Type: Grant
    Filed: March 3, 1975
    Date of Patent: June 15, 1976
    Assignee: The Procter & Gamble Company
    Inventor: Clyde Eugene Stauffer