Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2006-03-07
2006-03-07
Shameem, Golam M. M. (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C546S329000, C546S334000, C514S277000
Reexamination Certificate
active
07008955
ABSTRACT:
The present invention relates to substances of the general formula (I)in whichX is selected from the group consisting of NH, NR4, O and S,R1is selected from the group consisting of hydrogen, linear and branched, substituted and unsubstituted C1–C10-alkyl groups, substituted and unsubstituted C5–C10-aryl groups, substituted and unsubstituted C4–C10-heteroaryl groups, acyl groups, thioacyl groups, carbonylcarboxy groups, N-organyl-substituted carbamoyl groups and organosulfonyl groups,R2, R3are selected, independently of one another, from the group consisting of C1–C10-alkyl groups, C5–C12-aryl groups and C4–C12-heteroaryl groups, these groups being unsubstituted or having one or more substituents which are selected, independently of one another, from the group consisting of halogens, alkoxy groups, aryloxy groups, nitro groups, C1–C5-alkoxycarbonyl groups, optionally fluorine-substituted alkyl or acyl groups and cyano groups,R4is selected from the group consisting of hydrogen, linear and branched, substituted and unsubstituted C1–C10-alkyl groups, substituted and unsubstituted C5–C10-aryl groups, substituted and unsubstituted C4–C10-heteroaryl groups, aryl groups, thioacryl group, carbonylcarboxy groups, N-organyl-substituted carbamoyl groups and organosulfonyl groups,or a physiologically acceptable salt thereof.
REFERENCES:
patent: 5817679 (1998-10-01), Shen et al.
patent: 6117889 (2000-09-01), Shen et al.
patent: 0978280 (2000-02-01), None
patent: WO 9205172 (1992-04-01), None
patent: WO 0023424 (2000-04-01), None
Leibrock Joachim
Schiemann Kai
Merck Patent GmbH
Millen White Zelano & Branigan P.C.
Shameem Golam M. M.
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