Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Reexamination Certificate
2006-07-11
2006-07-11
Raymond, Richard L. (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
C544S301000, C544S302000, C544S303000, C544S304000, C544S305000, C514S274000
Reexamination Certificate
active
07074925
ABSTRACT:
N-substituted derivatives of 5-oximinobarbituric add of the general formulawhere X is sulfur; R1is selected from the group consisting of saturated or unsaturated alkyl, cycloalkyl, aryl and arylalkyl; and R2is selected from the group consisting of hydrogen, saturated or unsaturated alkyl, cycloalkyl, aryl and arylalkyl possessing a biological activity.
REFERENCES:
patent: 5456904 (1995-10-01), Bush
patent: 96 40 856 (1996-12-01), None
Balasubramanian Venkataraman
Raymond Richard L.
Zborovsky I.
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