Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Phosphorus containing other than solely as part of an...
Reexamination Certificate
2007-08-07
2007-08-07
Berch, Mark L. (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Phosphorus containing other than solely as part of an...
C514S260100, C514S263300, C514S263400, C514S263100, C514S301000, C514S302000, C514S303000, C514S367000, C514S375000, C514S394000, C544S255000, C544S244000, C544S276000, C544S265000, C544S264000, C544S277000, C546S021000, C546S118000, C546S114000, C546S115000, C548S112000, C548S303100, C548S153000, C548S152000, C548S218000, C548S224000
Reexamination Certificate
active
10495844
ABSTRACT:
The invention relates to compounds of the following formula (I) or their salts:in which R1represents OR4or others, in which R4is an alkyl group having 1-8 carbon atoms which may have a substituent or the like; R2is halogen, nitro, cyano, carboxyl, or the like; R3is hydrogen, halogen, hydroxyl, amino, carboxyl, or the like; X is NR11, oxygen, or sulfur, in which R11is hydrogen, or an alkyl group having 1-8 carbon atom which may have a substituent; and each of Y and Z is CR12or nitrogen, in which R12has the same meaning as R3above, and a xanthine oxidase inhibitor containing the compound as an active ingredient.
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Kobayashi Kunio
Mochiduki Nobutaka
Shinohara Yoriko
Tendo Atsushi
Yamakawa Tomio
Berch Mark L.
Moore Susanna
Nippon Chemiphar Co., Ltd.
Reed Smth LLP
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