Patents by Inventor Alfred John Corraz

Alfred John Corraz 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).

  • Cyclopenta[b]indole-2-carboxylic acids and derivatives thereof
    Patent number: 4009181
    Abstract: 1,2,3,4-Tetrahydrocarbazoles and cyclopenta[b] indoles prepared from the corresponding phenyl hydrazines and corresponding cyclohexanones or cyclopentanones, respectively, are described. The products of the invention are useful anti-inflammatory, analgesic and anti-rheumatic agents.
    Type: Grant
    Filed: December 12, 1974
    Date of Patent: February 22, 1977
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Leo Berger, Alfred John Corraz