Patents by Inventor Stefan Graichen

Stefan Graichen 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).

  • Melamine-polycarboxylic acid amides and their use as anticorrosive agents
    Patent number: 6096244
    Abstract: The present invention relates to a melamine-polycarboxylic acid amide and its use as a corrosion protection agent. Specifically, a melamine-polycarboxylic acid amide having a particular Formula I ##STR1## as well as alkali, ammonium, and amine salts thereof.
    Type: Grant
    Filed: March 13, 1998
    Date of Patent: August 1, 2000
    Assignee: ZTS-Chemie GmbH
    Inventor: Stefan Graichen