Claims
- 1. A method of making a compound of formula I in amorphous form substantially free of crystalline compound and not dispersed in an ionic polymer comprising:(a) dissolving a compound of formula I in crystalline form in an organic solvent; and (b) removing the organic solvent.
- 2. The method of claim 1 wherein the organic solvent is selected from the group consisting of ethanol, methanol, acetone, dimethyl sulfoxide, N, N-dimethylacetamide, N, N-dimethylformamide, N-methylpyrrolidone, diethylene glycol ethyl ether, glycofural, propylene carbonate, tetrahydrofuran, polyethylene glycols, and propylene glycols.
- 3. The method of claim 1 wherein the organic solvent is removed by spray drying.
- 4. The method of claim 1 wherein the organic solvent is removed by lyophilization.
Parent Case Info
This application is a divisional of Ser. No. 09/928,635, filed Aug. 13, 2001, now allowed and claims priority to prior provisional application Ser. No. 60/237,563, filed on Oct. 3, 2000 claimed under 35 U.S. §119(e).
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Provisional Applications (1)
|
Number |
Date |
Country |
|
60/237563 |
Oct 2000 |
US |