Patents by Inventor Helmut Nies

Helmut Nies 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).

  • Copolymers of unsaturated carboxylic acids and use thereof
    Patent number: 4963629
    Abstract: Copolymers of unsaturated carboxylic acids with alkaline solutions of monosaccharides or disaccharides capable of forming enolates provide polycarboxylates which are excellently suitable as sequestrants, complexing agents and co-builders in washing and cleaning agents.
    Type: Grant
    Filed: August 10, 1989
    Date of Patent: October 16, 1990
    Assignee: Grillo-Werke AG
    Inventors: Klaus Driemel, Klaus Bunthoff, Helmut Nies, Dieter Rohe