Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-10-31
2006-10-31
Habte, Kahsay (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C544S182000, C544S215000, C544S224000, C544S238000, C514S247000, C514S248000, C514S249000, C514S252020, C514S252030, C514S252040, C514S252050, C206S570000
Reexamination Certificate
active
07129241
ABSTRACT:
Pyridazine derivatives of the formula (I) act as phosphodiesterase IV inhibitors and can be employed for the treatment of osteoporosis, tumours, cachexia, atherosclerosis, rheumatoid arthritis, multiple sclerosis, diabetes mellitus, inflammatory processes, allergies, asthma, autoimmune diseases, myocardial diseases and AIDS
REFERENCES:
patent: 6417188 (2002-07-01), Jonas et al.
patent: 6479494 (2002-11-01), Rochus et al.
patent: WO 9806704 (1998-02-01), None
patent: WO 9965880 (1999-12-01), None
patent: WO 0157025 (2001-08-01), None
Eggenweiler Hans-Michael
Wolf Michael
Habte Kahsay
Merck Patent Gesellschaft
Millen White Zelano & Branigan P.C.
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