Patents by Inventor Susanne Birkmann-Rengel

Susanne Birkmann-Rengel 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).

  • Washing active preparation
    Publication number: 20030109414
    Abstract: Disclosed are a detersive composition comprising a water-soluble or water-dispersible block copolymer preparable by controlled free-radical polymerization, a process for preparing such a detersive composition and the use of water-soluble or water-dispersible block copolymers preparable by controlled free-radical polymerization for preparing detersive compositions.
    Type: Application
    Filed: December 16, 2002
    Publication date: June 12, 2003
    Inventors: Roman Benedikt Raether, Sylke Haremza, Susanne Birkmann-Rengel