Patents by Inventor Gerry K. Noren

Gerry K. Noren 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).

  • Oil soluble polymeric flocculants
    Patent number: 4038176
    Abstract: Use of oil soluble cationic polymers as flocculants for the purification of used motor oil. Polymers useful in the process of the instant invention include oil soluble polymers such as fatty acid salts of cationic polymers.
    Type: Grant
    Filed: March 22, 1976
    Date of Patent: July 26, 1977
    Assignee: Calgon Corporation
    Inventors: Gerry K. Noren, Richard C. Diehl