Patents by Inventor Carl D. Benson

Carl D. Benson 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).

  • Composition for gelling liquids
    Patent number: 5091443
    Abstract: A gelling composition for an aqueous liquid includes ungellated starch which has been reacted with a silane coupling agent. In preferred compositions, the starch is a starch-polyacrylate graft copolymer and the composition includes a polyacrylate gelling agent. A disinfectant may be added to the composition for compositions intended for use with medical waste.
    Type: Grant
    Filed: February 7, 1990
    Date of Patent: February 25, 1992
    Assignee: Becton, Dickinson and Company
    Inventors: Mutlu Karakelle, Carl D. Benson, Robert A. Taller, David E. Spielvogel