Patents by Inventor Charles L. Jarreau, Sr.

Charles L. Jarreau, Sr. 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).

  • Phenol alkylation
    Patent number: 4055605
    Abstract: Monoalkylphenols are made by passing a mixture of phenol and an olefin of 8-18 carbon atoms through a catalyst bed at 250.degree.-350.degree. F. The catalyst is a granular activated clay and the mol ratio of phenol to olefin charged exceeds 2.0.
    Type: Grant
    Filed: January 2, 1973
    Date of Patent: October 25, 1977
    Assignee: Calumet Petrochemicals, Inc.
    Inventor: Charles L. Jarreau, Sr.