Rigobert Otto

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Leverkusen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Color photographic materials containing an antistain agent
- Patent number 4,198,239
- Issue date Apr 15, 1980
- AGFA-Gevaert, A.G.
- Hans-Heinrich Credner
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color photographic material with improved color reproduction
- Patent number 4,156,608
- Issue date May 29, 1979
- AGFA-Gevaert, A.G.
- Hans Vetter
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY