Stefanie Andes

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Maintal, DE

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Patents Grantslast 30 patents

Information Patent Grant
Plate-like titanium dioxide reduction pigment
- Patent number 5,985,020
- Issue date Nov 16, 1999
- Merck Patent Gesellschaft mit beschrankter Haftung
- Stefanie Andes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Titanate-containing pearlescent pigments
- Patent number 5,972,098
- Issue date Oct 26, 1999
- Merck Patent GmbH
- Stefanie Andes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Platelet-shaped titanium dioxide pigment
- Patent number 5,858,078
- Issue date Jan 12, 1999
- Merck Patent Gesellschaft mit beschrankter Haftung
- Stefanie Andes
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE