Patents by Inventor Phillip E. Langley

Phillip E. Langley 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 the production of phenol and acetone
    Patent number: 4310712
    Abstract: Cumene hydroperoxide is decomposed to phenol and acetone by mixing it with acetone and a catalyst, flowing it without substantial back mixing through a reactor and controlling the reaction temperature by evaporating acetone and thus reducing the acetone concentration of the mixture in the course of the reaction.
    Type: Grant
    Filed: April 15, 1980
    Date of Patent: January 12, 1982
    Assignee: Imperial Chemical Industries Limited
    Inventor: Phillip E. Langley