Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-03-10
2010-10-12
Saeed, Kamal A (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
07812177
ABSTRACT:
The object of the present invention is to provide a potassium channel opener having benzofuroindole skeleton representing the following formula (I) wherein, R1is hydrogen, R2is CF3, R3is COOH, R4is hydrogen, R5is hydrogen or chloride and R6is hydrogen or chloride.
REFERENCES:
patent: 6391902 (2002-05-01), Antane et al.
Ha Tal-Soo
Kim Yong-Chul
Park Chul-Seung
Anygen Co., Ltd.
Kenyon & Kenyon LLP
Saeed Kamal A
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