http://rdf.ncbi.nlm.nih.gov/pubchem/patent/NZ-597920-A

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filingDate 2010-08-06^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c9a215dfd1041e6c6fc1bb571d9ff2fe
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publicationDate 2014-05-30^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber NZ-597920-A
titleOfInvention Anhydrate of tiotropium bromide
abstract The present disclosure relates to a novel form of anhydrous tiotropium bromide, processes for the preparation of anhydrous tiotropium bromide, pharmaceutical compositions comprising anhydrous tiotropium bromide and uses of the compositions. The disclosure further provides a process for the preparation of anhydrous tiotropium bromide, comprising the steps of: providing a solution of scopine di-(2-thienyl)glycolate and a ketone as the first organic solvent; adding a solution of methyl bromide in a second organic solvent to the mixture from step (a) or vice versa; isolating anhydrous tiotropium bromide from the mixture obtained in step (b); and drying the isolated anhydrous tiotropium bromide. The anhydrous tiotropium bromide may be used in the treatment of a respiratory disorder, such as asthma or COPD, wherein the COPD includes chronic bronchitis and emphysema, and my be administered from a dry powder inhaler (DPI), an aqueous nebulizer or a pressurized metered dosage inhaler (pMDI).
priorityDate 2009-08-07^^<http://www.w3.org/2001/XMLSchema#date>
type http://data.epo.org/linked-data/def/patent/Publication

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