Patents by Inventor Gerald Buchner

Gerald Buchner 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
  • Black pigment/auxiliary combination having improved colour strength
    Patent number: 7931745
    Abstract: The present invention relates to a black pigment/auxiliary combination having an improved relative color strength of greater than or equal to 110%, the preparation thereof and the use thereof.
    Type: Grant
    Filed: January 22, 2007
    Date of Patent: April 26, 2011
    Assignee: LANXESS Deutschland GmbH
    Inventors: Holger Friedrich, Jurgen Kischkewitz, Gerald Buchner
  • BLACK PIGMENT/AUXILIARY COMBINATION HAVING IMPROVED COLOUR STRENGTH
    Publication number: 20090064904
    Abstract: The present invention relates to a black pigment/auxiliary combination having an improved relative colour strength of greater than or equal to 110%, the preparation thereof and the use thereof.
    Type: Application
    Filed: January 22, 2007
    Publication date: March 12, 2009
    Applicant: LANXESS DEUTSCHLAND GMBH
    Inventors: Holger Friedrich, Jurgen Kischkewitz, Gerald Buchner
  • Pigment/auxiliary combination having improved colour properties
    Publication number: 20070022914
    Abstract: The present invention relates to a pigment/auxiliary combination having an improved chroma and/or relative colour strength, to its production and to its use.
    Type: Application
    Filed: July 17, 2006
    Publication date: February 1, 2007
    Inventors: Holger Friedrich, Jurgen Kischkewitz, Gerald Buchner
  • Process for dyeing asphalt
    Patent number: 5389137
    Abstract: This invention relates to a process for dyeing asphalt and/or bitumen with inorganic granulated pigments, which is characterized in that inorganic pigments, to which have been added oils which possess a kinematic viscosity at 40.degree. C. (DIN 51 561) of 1.6 to 1,500 mm.sup.2 /s, and/or waxes, polyols, polyethers and paraffins with dropping points (DIN 51 801, ASTM D 566) of between 50.degree. and 180.degree. C. as binding agents, are granulated and mixed with the asphalt and/or bitumen.
    Type: Grant
    Filed: April 19, 1993
    Date of Patent: February 14, 1995
    Assignee: Bayer AG
    Inventors: Gunter Linde, Manfred Eitel, Gerald Buchner, Peter Kresse, Gunther Teichmann