Terazosin crystalline polymorph and pharmaceutical compositions

Details Terazosin crystalline polymorph and pharmaceutical compositions Terazosin crystalline polymorph and pharmaceutical compositions

1995-10-24

1996-12-24

Grumbling, Matthew V.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

544291, C07D23984, A61K 31505

Patent

active

055873774

ABSTRACT:
The present invention relates to the discovery of novel polymorph form of an active pharmaceutical agent and the process for its preparation. More specifically, the present invention relates to the preparation of a novel polymorph form of terazosin hydrochloride, a well known anti-hypertensive agent.

REFERENCES:
patent: 4026894 (1977-05-01), Winn et al.
patent: 4112097 (1978-09-01), Winn et al.
patent: 4251532 (1981-02-01), Roteman
patent: 4816455 (1989-03-01), Schickaneder et al.
patent: 5212176 (1993-05-01), Kyncl et al.
patent: 5294615 (1994-03-01), Meyer et al.
patent: 5362730 (1994-11-01), Bauer et al.
patent: 5412095 (1995-05-01), Morley et al.
patent: 5504207 (1996-04-01), Mannino et al.

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