Christian Stern

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Wadenswil, CH

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Patents Grantslast 30 patents

Information Patent Grant
Metallocenyl phthalocyanines as optical recording media
- Patent number 7,378,221
- Issue date May 27, 2008
- Ciba Specialty Chemicals Corporation
- Jürgen Beyrich
- G11 - INFORMATION STORAGE
Information Patent Grant
Metallocenyl phthalocyanines as optical recording media
- Patent number 7,034,148
- Issue date Apr 25, 2006
- Ciba Specialty Chemicals Corporation
- Jürgen Beyrich
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Metallocenyl phthalocyanines as optical recording media
- Publication number 20050250942
- Publication date Nov 10, 2005
- Jurgen Beyrich
- G11 - INFORMATION STORAGE
Information Patent Application
Metallocenyl phthalocyanines as optical recording media
- Publication number 20040132990
- Publication date Jul 8, 2004
- Jurgen Beyrich
- G11 - INFORMATION STORAGE