Patents by Inventor Manfred Eitel

Manfred Eitel 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).

  • Compacted carbon black pellets
    Patent number: 6803026
    Abstract: This invention relates to carbon black pellets obtained by compaction of carbon black powder in the presence of auxiliary substances, which pellets, despite the compaction, surprisingly exhibit greater color intensity than the powders on which they are based.
    Type: Grant
    Filed: September 14, 2000
    Date of Patent: October 12, 2004
    Assignee: Bayer Chemicals AG
    Inventors: Günter Linde, Uwe Hempelmann, Manfred Eitel
  • Process for producing briquetted and pressed granular material and use thereof
    Patent number: 6432196
    Abstract: The present invention relates to a process for producing briquetted and pressed granular material and the use thereof for coloring building materials, such as concrete and asphalt, and organic media, such as paint systems, plastics and colored pastes.
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: August 13, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Günter Linde, Olaf Schmidt-Park, Manfred Eitel, Lothar Steiling
  • Process for producing briquetted and pressed granular material and use thereof
    Patent number: 6364223
    Abstract: The present invention relates to a process for producing briquetted and pressed granular material and the use thereof for coloring building materials, such as concrete and asphalt, and organic media, such as paint systems, plastics and colored pastes.
    Type: Grant
    Filed: April 6, 2001
    Date of Patent: April 2, 2002
    Assignee: Bayer Aktiengesellschaft
    Inventors: Günter Linde, Olaf Schmidt-Park, Manfred Eitel, Lothar Steiling
  • Process for producing briquetted and pressed granular material and use thereof
    Publication number: 20010015388
    Abstract: The present invention relates to a process for producing briquetted and pressed granular material and the use thereof for coloring building materials, such as concrete and asphalt, and organic media, such as paint systems, plastics and colored pastes.
    Type: Application
    Filed: April 6, 2001
    Publication date: August 23, 2001
    Applicant: Bayer Aktiengesellschaft, a corporation of Germany
    Inventors: Gunter Linde, Olaf Schmidt-Park, Manfred Eitel, Lothar Steiling
  • Process for producing briquetted and pressed granular material and use thereof
    Patent number: 6241167
    Abstract: The present invention relates to a process for producing briquetted and pressed granular material and the use thereof for coloring building materials, such as concrete and asphalt, and organic media, such as paint systems, plastics and colored pastes.
    Type: Grant
    Filed: February 16, 2000
    Date of Patent: June 5, 2001
    Assignee: Bayer Aktiengesellschaft
    Inventors: Günter Linde, Olaf Schmidt-Park, Manfred Eitel, Lothar Steiling
  • Inorganic pigment pellets for coloring plastics, lacquers and building materials and a process for the production thereof
    Patent number: 6132505
    Abstract: The present invention relates to inorganic pigment pellets for coloring building materials, lacquers and plastics and to a process for the production thereof and to the use thereof inter alia for the production of pastes, suspensions and emulsion paints.
    Type: Grant
    Filed: February 3, 1998
    Date of Patent: October 17, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Linde, Kai Butje, Manfred Eitel
  • Process for producing briquetted and pressed granular material and use thereof
    Patent number: 6079644
    Abstract: The present invention relates to a process for producing briquetted and pressed granular material and the use thereof for coloring building materials, such as concrete and asphalt, and organic media, such as paint systems, plastics and colored pastes.
    Type: Grant
    Filed: April 10, 1997
    Date of Patent: June 27, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Linde, Olaf Schmidt-Park, Manfred Eitel, Lothar Steiling
  • Inorganic pigment granules process for their production and their use
    Patent number: 5961710
    Abstract: The invention relates to granules of inorganic pigments, a process for their production using several auxiliary substances by compacting and their use in many technical fields.
    Type: Grant
    Filed: February 12, 1998
    Date of Patent: October 5, 1999
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Linde, Manfred Eitel, Olaf Schmidt-Park, Kai Butje
  • Process for producing briquetted and pressed granular material and use thereof
    Patent number: 5797988
    Abstract: The present invention relates to a process for producing briquetted and pressed granular material and the use thereof for coloring building materials, such as concrete, and organic media, such as paint systems, plastics and colored pastes.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: August 25, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Gunter Linde, Olaf Schmidt-Park, Manfred Eitel, Lothar Steiling
  • Preparation and use of iron oxide black pigment granules
    Patent number: 5718755
    Abstract: The present invention relates to a process for the preparation of iron oxide black pigment granules which are stable to handling.
    Type: Grant
    Filed: December 10, 1996
    Date of Patent: February 17, 1998
    Assignee: Bayer AG
    Inventors: Berndt-Ullrich Kohler, Manfred Eitel, Gunter Linde, Herbert Kunstmann
  • Process for the coloration of organic media
    Patent number: 5634970
    Abstract: The present invention relates to a process for the colouration of organic media by granulated inorganic pigments.
    Type: Grant
    Filed: October 17, 1994
    Date of Patent: June 3, 1997
    Assignee: Bayer AG
    Inventors: Gunter Linde, Manfred Eitel
  • Process for the colouration of building materials
    Patent number: 5484481
    Abstract: The present invention relates to a process for the coloration of building materials such as concrete or asphalt by granulated inorganic pigments.
    Type: Grant
    Filed: October 17, 1994
    Date of Patent: January 16, 1996
    Assignee: Bayer AG
    Inventors: Gunter Linde, Manfred Eitel
  • 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
  • Process for coloring building materials
    Patent number: 5199986
    Abstract: Colored building materials are produced by incorporating into the building materials inorganic pigments in the form of granulates which are free-flowing and not dust forming wherein the pigments are produced from spray dried granulates by after-granulating.
    Type: Grant
    Filed: January 27, 1992
    Date of Patent: April 6, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Bernd Krockert, Gunter Linde, Manfred Eitel, Kurt Schafer, Klaus Rohbock