Jurgen Beyrich

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Huttingen, DE

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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
Information Patent Grant
Conditioning of organic pigments
- Patent number 6,890,380
- Issue date May 10, 2005
- Ciba Specialty Chemicals Corporation
- Gerhard Giger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the preparation of 1-amine-2-naphthol-4-sulfonic acid
- Patent number 4,929,752
- Issue date May 29, 1990
- Ciba-Geigy Corporation
- Bernhard Albrecht
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of chloronitroanilines and chloronitrop...
- Patent number 4,879,415
- Issue date Nov 7, 1989
- Ciba-Geigy Corporation
- Bernhard Albrecht
- C07 - ORGANIC CHEMISTRY

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
Information Patent Application
Conditioning of organic pigments
- Publication number 20040050298
- Publication date Mar 18, 2004
- Gerhard Giger
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...