Process for preparing ondansetron hydrochloride dihydrate having a defined particle size
The invention provides a process for preparing ondansetron hydrochloride dihydrate particles in which at least about 70% of the particles have a particle size of less than 250 mum, comprising the steps of: (a) preparing a solution comprising ondansetron hydrochloride and water; and (b) adding the so...
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creator | GUTMAN DANIELLA CYJON ROSA |
description | The invention provides a process for preparing ondansetron hydrochloride dihydrate particles in which at least about 70% of the particles have a particle size of less than 250 mum, comprising the steps of: (a) preparing a solution comprising ondansetron hydrochloride and water; and (b) adding the solution into a precipitation medium which comprises a water-miscible nonsolvent for ondansetron hydrochloride, while maintaining the resulting mixture at a temperature of about 40° C. or less. |
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and (b) adding the solution into a precipitation medium which comprises a water-miscible nonsolvent for ondansetron hydrochloride, while maintaining the resulting mixture at a temperature of about 40° C. or less.</description><language>eng</language><subject>CHEMISTRY ; HETEROCYCLIC COMPOUNDS ; HUMAN NECESSITIES ; HYGIENE ; MEDICAL OR VETERINARY SCIENCE ; METALLURGY ; ORGANIC CHEMISTRY ; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES</subject><creationdate>2007</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20071030&DB=EPODOC&CC=US&NR=7288660B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25562,76317</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20071030&DB=EPODOC&CC=US&NR=7288660B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>GUTMAN DANIELLA</creatorcontrib><creatorcontrib>CYJON ROSA</creatorcontrib><title>Process for preparing ondansetron hydrochloride dihydrate having a defined particle size</title><description>The invention provides a process for preparing ondansetron hydrochloride dihydrate particles in which at least about 70% of the particles have a particle size of less than 250 mum, comprising the steps of: (a) preparing a solution comprising ondansetron hydrochloride and water; 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subjects | CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES |
title | Process for preparing ondansetron hydrochloride dihydrate having a defined particle size |
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