IP Library › Granted Patent US 8,183,367
Granted Patent B2
US 8,183,367 · App. 12/369,104 · Granted May 22, 2012

Methods of preparing polymorphic form A of bazedoxifene acetate

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Quick Facts
Patent No.
US 8,183,367
App. No.
12/369,104
Granted
May 22, 2012
Kind
B2
Abstract

The present invention relates to methods of preparing polymorphic Form A of bazedoxifene acetate and polymorphic Form A prepared by such methods.

Claims (3)

1. A method of enhancing the stability of polymorphic Form A of bazedoxifene acetate, the method comprising (a) keeping said polymorphic Form A of bazedoxifene acetate in dry form and preventing the dry form from contacting with a solvent; or (b) keeping said polymorphic Form A of bazedoxifene acetate in dry form and preventing the dry form from contacting with the vapor of a solvent.

2. The method of claim 1 , wherein said solvent can totally or partially dissolve said polymorphic Form A of bazedoxifene acetate.

3. The method of claim 1 , further comprising keeping said polymorphic Form A of bazedoxifene acetate at a temperature below 25° C. or lower.

Assignments (2)
ASSIGNEE ADDRESS CORRECTION Recorded Mar 27, 2023
From: WYETH LLC
To: WYETH LLC
Reel/Frame 063165/0455 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 15, 2011
From: BARRECA, GIUSEPPE; TASINATO, FRANCESCO; VERZINI, MASSIMO; BASSAN, FABIO; CANNATA, VINCENZO; SORIATO, GIORGIO; BRESCELLO, ROBERTO; ALLEGRINI, PIETRO; COTARCA, LIVIUS
To: WYETH LLC
Reel/Frame 026134/0322 →