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Matthias Kocher
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Overath, DE
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last 30 patents
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Patent Grant
Modified polyester resins, a process for their preparation and tone...
Patent number
5,368,968
Issue date
Nov 29, 1994
Bayer Aktiengesellschaft
Rolf Wehrmann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
New naphthalimides, toners containing these and the use of the new...
Patent number
5,292,881
Issue date
Mar 8, 1994
Bayer Aktiengesellschaft
Horst Berneth
C07 - ORGANIC CHEMISTRY