Patents by Inventor Benny De Ryck

Benny De Ryck 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 detergent granules with excellent white appearance
    Patent number: 5529710
    Abstract: A high active detergent paste composition which is suitable for making detergent granules which have an excellent white appearance making them suitable for use in consumer products. The paste compositions comprise a dye or optical brightener.
    Type: Grant
    Filed: January 13, 1995
    Date of Patent: June 25, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Paul Van Dijk, Jose L. Vega, Benny De Ryck