Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-11-29
2010-12-28
Coleman, Brenda L (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C540S575000
Reexamination Certificate
active
07858615
ABSTRACT:
The present invention is directed to (S)-(−)-1-(4-fluoroisoquinolin-5-yl)sulfonyl-2-methyl-1,4-homopiperazine hydrochloride dihydrate, to a method producing the dihydrate, and to a drug composition containing the dihydrate. The compound of the present invention has less hygroscopicity as compared with (S)-(−)-1-(4-fluoroisoquinolin-5-yl)sulfonyl-2-methyl-1,4-homopiperazine hydrochloride anhydrous crystals and thus, exhibits excellent chemical stability.
REFERENCES:
patent: 6153608 (2000-11-01), Hidaka et al.
patent: 9 12573 (1997-01-01), None
patent: 97 02260 (1997-01-01), None
patent: 99 20620 (1999-04-01), None
patent: WO 99/20620 (1999-04-01), None
Hidaka Hiroyoshi
Oda Toshiaki
Ohshima Takeshi
Onogi Kazuhiro
Shiratsuchi Masami
Coleman Brenda L
D. Western Therapeutics Institute, Inc.
Kowa Co. Ltd.
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
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