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http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C231-08
filingDate 1998-07-23-04:00^^<http://www.w3.org/2001/XMLSchema#date>
grantDate 1999-09-07-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3625748f7b7b4464ff7ebeae5f2474a6
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_051f01c027646ca653d81764866fe0af
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publicationDate 1999-09-07-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber US-5948940-A
titleOfInvention Process for iohexol manufacture
abstract The invention provides a process for the production of iohexol comprising reacting 5-acetamido-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodophthalamide with a 2,3-dihydroxypropylating agent, the improvement comprising effecting that said process in the presence of a solvent comprising 2-methoxy-ethanol and, optionally, isopropanol.
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priorityDate 1996-08-29-04:00^^<http://www.w3.org/2001/XMLSchema#date>
type http://data.epo.org/linked-data/def/patent/Publication

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