Patents by Inventor Gerald Büchner

Gerald Büchner 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).

  • Pigment/auxiliary combination having improved colour properties
    Patent number: 8414698
    Abstract: The present invention relates to a pigment/auxiliary combination having an improved chroma and/or relative color strength, to its production and to its use.
    Type: Grant
    Filed: July 17, 2006
    Date of Patent: April 9, 2013
    Assignee: LANXESS Deutschland GmbH
    Inventors: Holger Friedrich, Jürgen Kischkewitz, Gerald Büchner