Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2005-10-04
2005-10-04
Tsang, Cecilia J. (Department: 1625)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C514S313000, C514S314000, C514S456000, C546S153000, C546S155000, C546S156000, C546S157000, C546S159000, C546S164000, C549S466000, C549S467000, C549S468000
Reexamination Certificate
active
06951870
ABSTRACT:
Compounds of formula I′wherein the two —OH substituents in the phenyl moiety are in a position ortho to one another and R1in a position ortho to one of the hydroxy groups; and X, R1to R6are as defined in disclosure. The compounds exhibit COMT enzyme inhibiting activity, so are useful as COMT inhibitors.
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Lotta Timo
Ovaska Martti
Pystynen Jarmo
Vidgren Jukka
Yliperttula-Ikonen Marjo
Covington Raymond
Finnegan Henderson Farabow Garrett & Dunner LLP
Orion Corporation
Tsang Cecilia J.
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