Patents by Inventor Raphael A. Ceulemans

Raphael A. Ceulemans 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).

  • Compact detergent compositions with high activity cellulase
    Patent number: 5520838
    Abstract: The present invention concerns cellulase-containing granular detergent compositions which are in a "compact" form, i.e. they are of a relatively high density and contain a relatively low amount of inorganic filler salt compared to conventional detergent compositions. In the detergent compositions herein the cellulase is defined by the C14CMC method described herein and preferably comprises a specific single-component endoglucanase.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: May 28, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Andre C. Baeck, Raphael A. Ceulemans, Alfred Busch