Martin Knapp

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Dieburg, DE

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Patents Grantslast 30 patents

Information Patent Grant
Inorganic spherical absorption pigments
- Patent number 6,866,710
- Issue date Mar 15, 2005
- Merck Patent GmbH
- Lilia Heider
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Highly light-scattering pigment mixture
- Patent number 6,648,958
- Issue date Nov 18, 2003
- Merck Patent Gesellschaft
- Ralf Anselmann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Coated spherical SiO.sub.2 particles
- Patent number 5,846,310
- Issue date Dec 8, 1998
- Merck Patent Gesellschaft mit beschrankter Haftung
- Tamio Noguchi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dispersions of spherical inorganic particles
- Patent number 5,277,888
- Issue date Jan 11, 1994
- Merck Patent Gesellschaft Beschrankter Haftung
- Wilfried Baron
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Inorganic spherical absorption pigments
- Publication number 20040177789
- Publication date Sep 16, 2004
- Lilia Heider
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Highly light-scattering pigment mixture
- Publication number 20030082123
- Publication date May 1, 2003
- Merck Patent GmbH
- Ralf Anselmann
- C01 - INORGANIC CHEMISTRY