Gerhrad Pfaff

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Munster, DE

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Patents Grantslast 30 patents

Information Patent Grant
Multilayer pearl lustre pigment
- Patent number 6,747,073
- Issue date Jun 8, 2004
- Merck Patent GmbH
- Gerhrad Pfaff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...