Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2003-08-22
2009-06-16
Davis, Zinna N (Department: 1625)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C546S296000
Reexamination Certificate
active
07547713
ABSTRACT:
The present invention relates to the o-pyridinequinone disubstituted derivatives, the composition containing the derivatives, the process for preparation of the derivatives and the use of the derivatives. The o-pyridinequinone disubstituted derivatives of the present invention have action of selectivity inhibiting COX-2 and they can be made into pharmaceuticals. The o-pyridinequinone disubstituted derivatives of the present invention have no acute toxicities and are a safe pharmaceutical.
REFERENCES:
patent: 1431242 (2003-07-01), None
patent: WO 00/37426 (2000-06-01), None
Gu Lianquan
Wang Jun
Xiao Guiwu
Davis Zinna N
Frommer & Lawrence & Haug LLP
Santucci Ronald R.
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