Patents by Inventor Emanuel Silverstein

Emanuel Silverstein 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).

  • Sarcoidosis test
    Patent number: 4108726
    Abstract: Serum angiotensin converting enzyme is elevated in many patients with sarcoidosis. A method involving formation of the fluorescent adduct of o-phthaldialdehyde and the histidyl moiety of the L-histidyl-L-leucine product formed by the action of angiotensin converting enzyme on hippuryl-L-histidyl-L-leucine substrate is applicable to determining angiotensin converting enzyme in untreated serum for the diagnosis of sarcoidosis. This method is simple, rapid and highly sensitive, and requires as little as one ul or less of a serum.
    Type: Grant
    Filed: July 15, 1976
    Date of Patent: August 22, 1978
    Assignee: Research Corporation
    Inventor: Emanuel Silverstein