Patents Examined by R. Deans
  • 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