Patents by Inventor Monika Cordes

Monika Cordes 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).

  • Polyaspartic acid concentration determination by fluorometry
    Patent number: 6989274
    Abstract: The present invention relates to a method of performing concentration determinations of aqueous solutions of polyaspartic acid and/or salts thereof.
    Type: Grant
    Filed: August 24, 2001
    Date of Patent: January 24, 2006
    Inventors: Thomas Klein, Thomas Klausa, Andreas Elschner, Ralf-Johann Moritz, Monika Cordes
  • Modified polyaspartic acid
    Publication number: 20020198357
    Abstract: The present invention relates to a novel process for preparing modified polyaspartic acids starting from C4 carboxylic acids and nitrogen donor compounds and also aminobenzoic acids, and to the use of these modified polyaspartic acids as optical brighteners.
    Type: Application
    Filed: March 25, 2002
    Publication date: December 26, 2002
    Inventors: Thomas Klein, Holger Schmidt, Monika Cordes, Manfred Klutsch
  • Polyaspartic acid concentration determination by fluorometry
    Publication number: 20020077262
    Abstract: The present invention relates to a method of performing concentration determinations of aqueous solutions of polyaspartic acid and/or salts thereof.
    Type: Application
    Filed: August 24, 2001
    Publication date: June 20, 2002
    Inventors: Thomas Klein, Thomas Klausa, Andreas Elschner, Ralf-Johann Moritz, Monika Cordes