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Karl H. Mayer
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Leverkusen, DE
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last 30 patents
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Patent Grant
Photographic material containing a stabilizer, a process for its pr...
Patent number
4,366,231
Issue date
Dec 28, 1982
Agfa-Gevaert Aktiengesellschaft
Karl H. Mayer
C07 - ORGANIC CHEMISTRY
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Patent Grant
Benzodiazepine-diones, a process for their production and their use...
Patent number
4,187,306
Issue date
Feb 5, 1980
Bayer Aktiengesellschaft
Karl H. Mayer
C07 - ORGANIC CHEMISTRY