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SHASUN CHEMICALS AND DRUGS LIMITED

SHASUN CHEMICALS AND DRUGS LIMITED Patent applications
Patent application numberTitlePublished
20110144207ARYL ALKYL CARBOXYLIC ACID SALTS, PROCESS FOR PREPARATION AND DOSAGE FORMS - The invention particularly discloses a process for preparing aryl alkyl carboxylic acid salts by preparing aqueous alkali solution, adding aryl alkyl carboxylic acid to said alkali solution at a temperature ranging from 4° to 121° C. for obtaining a clear solution, preferably by heating and/or stirring and concentrating and cooling to obtain aryl alkyl carboxylic acid salt The invention therefore discloses solid oral dosage forms and compositions of aryl alkyl carboxylic acid salts which are free of organic solvent/so. The solid oral dose compositions of aryl alkyl carboxylic acid salts of the invention are prepared in situ from aryl alkyl carboxylic acids and bases to obtain aryl acid alkyl carboxylic acid sails in crystalline/powder form with or without the use of pharmaceutical excipients.06-16-2011
20080234479Novel Process For Preparation of a Pharmaceutically Pure Polymorphic Form I of Olanzapine - The invention is directed to a novel method for making crystalline Form I of Olanzapine, wherein crude olanzapine is dissolved in a water-miscible solvent in which it is freely soluble, from which substantially pure polymorphic Form I of Olanzapine is recovered by precipitation.09-25-2008