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Serving leading biopharmaceutical companies globally:

Harvard Business School
Queensland Health
Daiichi Sankyo
Argus Health

Generated: January 21, 2018

DrugPatentWatch Database Preview

Claims for Patent: 5,900,423

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Summary for Patent: 5,900,423
Title: Form of paroxetine hydrochloride anhydrate
Abstract:"Paroxetine hydrochloride (I) anhydrate ##STR1## free of bound propan-2-ol, and various forms thereof, are useful in the treatment of depression and other disorders for which administration of selective serotonin reuptake inhibitors are indicated."
Inventor(s): Ward; Neal (Crowborough, GB), Jacewicz; Victor Witold (Tunbridge Wells, GB)
Assignee: SmithKline Beecham Corporation (Philadelphia, PA)
Application Number:08/922,060
Patent Claims: 1. Paroxetine hydrochloride anhydrate in Form A, which form comprises the following characteristics: a melting point of about C.; IR bands at about 513, 538, 571, 592, 613, 665, 722, 761, 783, 806, 818, 839, 888, 906, 924, 947, 966, 982, 1006, 1034, 1068, 1091, 1134, 1194, 1221, 1248, 1286, 1340, 1387, 1493, 1513, 1562, 1604, 3402, and 3631 cm.sup.-1 ; maximum endotherm, measured at C. per minute, of about C. in an open pan and about C. in a closed pan; characteristic X-ray diffractogram peaks at about 6.6, 8.0, 11.2, and 13.1 degrees 2 theta; characteristic solid state .sup.13 C-NMR spectrum peaks at about 154.3, 149.3, 141.6, and 138.5 ppm.

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Serving leading biopharmaceutical companies globally:

Cantor Fitzgerald
Boehringer Ingelheim

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