Gerald Buchner

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Krefeld, DE

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Patents Grantslast 30 patents

Information Patent Grant
Pigment/auxiliary combination having improved colour properties
- Patent number 8,414,698
- Issue date Apr 9, 2013
- LANXESS Deutschland GmbH
- Holger Friedrich
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Black pigment/auxiliary combination having improved colour strength
- Patent number 7,931,745
- Issue date Apr 26, 2011
- LANXESS Deutschland GmbH
- Holger Friedrich
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
BLACK PIGMENT/AUXILIARY COMBINATION HAVING IMPROVED COLOUR STRENGTH
- Publication number 20090064904
- Publication date Mar 12, 2009
- Lanxess Deutschland GmbH
- Holger Friedrich
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Pigment/auxiliary combination having improved colour properties
- Publication number 20070022914
- Publication date Feb 1, 2007
- LANXESS Deutschland GmbH
- Holger Friedrich
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES