Patents by Inventor Marita Grothus

Marita Grothus 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).

  • Bleaching system
    Patent number: 6479450
    Abstract: A bleaching composition is presented having a) an enzyme which produces hydrogen peroxide from atmospheric oxygen, b) a substrate for said enzyme, and c) a transition metal compound, where the enzyme is covalently bound to the transition metal compound. The bleaching composition is useful in disinfectants and laundry detergents as a bleaching component and for inhibiting the transfer of dyes.
    Type: Grant
    Filed: February 2, 2000
    Date of Patent: November 12, 2002
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Albrecht Weiss, Ulrich Pegelow, Beatrix Kottwitz, Marita Grothus, Maria Liphard
  • Activators for peroxide compounds in detergents and cleaning agents
    Patent number: 6417151
    Abstract: A detergent or disinfectant composition comprising is presented having 0.5 to 10 percent by weight of an activator compound which under perhydrolysis conditions forms a percarboxylic acid, and releases a leaving group capable of being used as a substrate for enzymes, and up to 50 percent by weight of a peroxygen compound. The composition increases the oxidation of peroxide compounds in oxidation, bleaching, detergent, cleaning and disinfecting solutions, especially at low temperatures.
    Type: Grant
    Filed: October 4, 1999
    Date of Patent: July 9, 2002
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Marita Grothus, Albrecht Weiss, Beatrix Kottwitz, Ulrich Pegelow, Guenter Uphues, Inken Prueser