Joachim Weitzel

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Savannah, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pigment preparation
- Patent number 6,551,397
- Issue date Apr 22, 2003
- Merck Patent GmbH
- Joachim Weitzel
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Pigment preparation
- Publication number 20020157574
- Publication date Oct 31, 2002
- Merck Patent GmbH
- Joachim Weitzel
- C01 - INORGANIC CHEMISTRY