Polymorphs of acyl sulfonamides

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Ester doai

Reexamination Certificate

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Details

C514S603000, C558S414000, C564S086000

Reexamination Certificate

active

08063103

ABSTRACT:
The application discloses novel polymorphic crystalline forms of 2-[4-Bromo-3-(3-chloro-5-cyano-phenoxy)-2-fluoro-phenyl]-N-(2-chloro-4-propionylsulfamoyl-phenyl)-acetamide, sodium salt (Ib)with improved stability and physical properties which facilitate manufacturing, handling and formulating for treatment or prophylaxis of HIV mediated diseases, AIDS or ARC, in monotherapy or in combination therapy.

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B. Rodriquez-Spong et al. Advanced Drug Delivery Reviews, 2004, 56, pp. 241-274.
Souillac, et al., Characterization of Delivery Systems, Differential Scanning Calorimetry, pp. 217-218 (in Encyclopedia of Controlled Drug Delivery, 1999, John Wiley & Sons, pp. 212-227.
Graham, B.S., “Clinical trials of HIV vaccines.” HIV Molecular Immunology Database 2000. Edited by: Korber BT, Brander C, Haynes BF, Koup R, Kuiken C, Moore JP, Walker BD, and Watkins D. Published by: Theoretical Biology and Biophysics Group, Los Alamos National Laboratory, Los Alamos, NM. pp. I-20-38, 2000.

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