Patents by Inventor Peter E. Burke

Peter E. Burke 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).

  • Production of hydrolyzed polymaleic anhydride
    Patent number: 4670514
    Abstract: The invention provides a process for the production of hydrolyzed polymaleic anhydride which comprises heating a reaction mixture comprising (a) maleic anhydride, (b) a reactive aromatic solvent, (c) an alcohol or glycol having up to 4 carbon atoms or esters of such an alcohol or glycol with maleic acid, and (d) di-tertiary butyl peroxide, and then hydrolyzing the resulting polymer.
    Type: Grant
    Filed: January 21, 1986
    Date of Patent: June 2, 1987
    Assignee: Ciba-Geigy Corporation
    Inventor: Peter E. Burke