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Herbert Stark
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Leverkusen, DE
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last 30 patents
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Patent Grant
Color photographic recording material containing color couplers
Patent number
4,529,691
Issue date
Jul 16, 1985
AGFA-Gevaert A.G.
Gunter Renner
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for the production of color photographic images using new w...
Patent number
4,204,867
Issue date
May 27, 1980
AGFA-Gevaert, A.G.
Karl Kuffner
C07 - ORGANIC CHEMISTRY