Patents by Inventor Michael C. Gribnau

Michael C. Gribnau 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).

  • Adjuncts dissolved in molecular solid solutions
    Patent number: 5480575
    Abstract: A method of protecting sensitive or reactive adjuncts, preferably of the type incorporated in detergent compositions, by dissolving said adjunct in a biopolymer, thereby forming a stable particulate adjunct product comprising a molecular solid solution of adjunct in a biopolymer. Preferred adjuncts to be protected include bleach catalysts, bleach catalyst precursors, bleach precursors, enzymes, fluorescers, germicides, perfumes, anti-dye transfer and anti-dye damage agents and effervescent agents. The protected adjunct is especially useful for incorporation in non-aqueous liquid detergent compositions.
    Type: Grant
    Filed: December 1, 1993
    Date of Patent: January 2, 1996
    Assignee: Lever Brothers, Division of Conopco, Inc.
    Inventors: Paul A. Altieri, James Eden, Michael C. Gribnau, Leendert Hoogendijk, Lambertus B. Krijnen, Daniel B. Solarek, Ton Swarthoff
  • Nonaqueous liquid cleaning products containing solubilized biopolymer
    Patent number: 5433884
    Abstract: Non-aqueous liquid cleaning product comprising a liquid phase and dry particulate solubilized biopolymer material, that improves dispersibility, a method for preparing the biopolymer material and a method for preparing non-aqueous liquids comprising the biopolymer material.
    Type: Grant
    Filed: December 1, 1993
    Date of Patent: July 18, 1995
    Assignee: Lever Brothers Company, Division of Conopco, Inc.
    Inventors: Paul A. Altieri, James Eden, Michael C. Gribnau, Philippus C. Van Der Hoeven, Leendert Hoogendijk, Helena M. De Roo, Daniel B. Solarek