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Generated: June 16, 2019

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Claims for Patent: 6,358,986

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Summary for Patent: 6,358,986
Title: Polymorphs of telmisartan
Abstract:The invention relates to polymorphs of 4'-[2-n-propyl-4-methyl-6-(1-methylbenzimid-azol-2-yl)benzimidazol-1-ylmet hyl]biphenyl-2-carboxylic acid (INN: telmisartan), particularly polymorphic form B, mixtures of the polymorphs, processes for preparing telmisartan containing form B and the use thereof for preparing a pharmaceutical composition.
Inventor(s): Schneider; Heinrich (late of Ingelheim, DE)
Assignee: Boehringer Ingelheim Pharma KG (Ingelheim, DE)
Application Number:09/480,211
Patent Claims: 1. A mixture of two polymorphic crystalline forms of Telmisartan (the compound of formula I) ##STR3##

wherein the first polymorphic crystalline form, designated form A, has an endothermic maximum at C. which occurs during thermal analysis using DSC, and wherein the second polymorphic crystalline form, designated form B, has endothermic maxima at C. and at C which occur during thermal analysis using DSC, and wherein the ratio of form A to form B in said mixture is in the range from 10:90 to 60:40.

2. A pharmaceutical composition comprising the mixture of forms A and B of telmisartan, in accordance with claim 1, and a pharmaceutically acceptable carrier.

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Serving hundreds of leading biopharmaceutical companies globally:

Boehringer Ingelheim
Queensland Health

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