Process for preparing new tiotropium salts, new tiotropium salts as such and pharmaceutical compositions thereof

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The Boehringer Ingelheim International Gmbh patent solves the following problem:

Tiotropium bromide is known from European Patent Application EP 418 716 A1 and the following chemical structure:

Our analysis of this patent is as follows:

Boehringer Ingelheim International Gmbh’s patent US 8686148 B2 deals with Process for preparing new tiotropium salts, new tiotropium salts as such and pharmaceutical compositions thereof.
The invention relates to a process for preparing new tiotropium salts, these new tiotropium salts, pharmaceutical formulations containing them and their use in the preparation of a medication for the treatment of respiratory complaints, especially for the treatment of COPD (chronic obstructive pulmonary disease) and asthma.

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