Details for Patent: 4,092,315
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Summary for Patent: 4,092,315
Title: | Novel crystalline forms of prazosin hydrochloride |
Abstract: | The invention relates to novel and valuable crystalline forms of the hypotensive agent prazosin hydrochloride. The anhydrous .alpha.-form is preferred because it is relatively non-hygroscopic and hence possesses important advantages in handling and formulation. The polyhydrate form of prazosin hydrochloride is preferred because of its low, uniform rate of dissolution. |
Inventor(s): | Bianco; Ernest J. (Niantic, CT) |
Assignee: | Pfizer Inc. (New York, NY) |
Application Number: | 05/662,937 |
Patent Claim Types: see list of patent claims | Compound; Process; |
Drugs Protected by US Patent 4,092,315
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