Patents by Inventor Mark H. Levner

Mark H. Levner 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 enhancing the production of enterotoxin by Vibrio cholerae
    Patent number: 4076590
    Abstract: A process for increasing the production of enterotoxin by Vibrio cholerae, and enterotoxigenic strains of Escherichia coli, is disclosed. This process produces enhanced amounts of enterotoxin activity compared to amounts obtainable by practice of standard procedures.
    Type: Grant
    Filed: May 14, 1976
    Date of Patent: February 28, 1978
    Assignee: American Home Products Corporation
    Inventor: Mark H. Levner
  • Process for enhancing the production of enterotoxin by Escherichia coli and vibrio cholerae
    Patent number: 3984285
    Abstract: A process for increasing the production of enterotoxin by Vibrio cholerae, and enterotoxigenic strains of Escherichia coli, is disclosed. This process produces enhanced amounts of enterotoxin activity compared to amounts obtainable by practice of standard procedures.
    Type: Grant
    Filed: August 25, 1975
    Date of Patent: October 5, 1976
    Assignee: American Home Products Corporation
    Inventor: Mark H. Levner