Patents by Inventor Maurice D. Cooke

Maurice D. Cooke 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 recovering crude phenol from catalyst-free cumene hydroperoxide cleavage reaction products
    Patent number: 4158611
    Abstract: Crude phenol is recovered from CHP reaction products by continuously feeding to a main column separating in its uppermost section phenol from crude acetone, this fraction being removed overhead, and in the lower section crude phenol from higher boilers, including acetophenone and carbinol, the crude phenol being removed as a sidestream fraction from the main column at a point in the column above the feed-point wherein the total concentration of acetophenone plus carbinol is less than 1,000 ppm and the higher boiling compounds being removed as a base fraction.
    Type: Grant
    Filed: December 15, 1977
    Date of Patent: June 19, 1979
    Assignee: BP Chemicals Limited
    Inventor: Maurice D. Cooke