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Roland Zoelper
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Basel, CH
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last 30 patents
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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
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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
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Patent Grant
Vat dye mixtures, processes for their preparation and their use for...
Patent number
5,882,359
Issue date
Mar 16, 1999
Ciba Specialty Chemicals Corporation
Peter Leupin
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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last 30 patents
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Patent Application
Metallocenyl phthalocyanines as optical recording media
Publication number
20050250942
Publication date
Nov 10, 2005
Jurgen Beyrich
G11 - INFORMATION STORAGE
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Patent Application
Metallocenyl phthalocyanines as optical recording media
Publication number
20040132990
Publication date
Jul 8, 2004
Jurgen Beyrich
G11 - INFORMATION STORAGE