Patents by Inventor Arnold Gruben

Arnold Gruben 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).

  • Shellac/polyalkyleneglycol monomethacrylate graft copolymers
    Patent number: 5268406
    Abstract: Novel graft copolymers of shellac and a polyalkyleneglycol monomethacrylate are prepared. These graft copolymers are useful in preparing water-based flexographic, i.e. packaging laminating inks, comprised of a pigment; the graft copolymer; a binder resin; an alkanol; an alkali, ammonia or an amine; and water.
    Type: Grant
    Filed: April 2, 1992
    Date of Patent: December 7, 1993
    Assignee: Sun Chemical Corporation
    Inventors: Robert J. Catena, Mathew C. Mathew, Arnold Gruben