Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2004-04-27
2009-11-10
Wilson, James O (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C544S262000
Reexamination Certificate
active
07615558
ABSTRACT:
Described are 6-arylmethylpyrazolo[3,4-d]pyrimidines of the following formula:processes for their preparation and their use for producing medicaments for improving perception, concentration, learning and/or memory.
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Bärfacker Lars
Erb Christina
Hafner Frank-Thorsten
Heckroth Heike
Hendrix Martin
Boehringer Ingelheim International GmbH
Devlin Mary-Ellen M.
Lebel Edouard G.
Moore Susanna
Morris Michael P.
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