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http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C08B37-08
filingDate 1997-03-27-04:00^^<http://www.w3.org/2001/XMLSchema#date>
inventor http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d4ebb8b54d4680a71a8bee0d3d8996f7
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cd80e44deccab7a7092897b08f31b033
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publicationDate 1997-12-16-04:00^^<http://www.w3.org/2001/XMLSchema#date>
publicationNumber JP-H09324001-A
titleOfInvention Purification method of sodium hyaluronate
abstract (57) Abstract: A purification method for easily obtaining high-purity sodium hyaluronate having a low content of pyrogenic substances, and sodium hyaluronate obtained by the purification method are provided. SOLUTION: A salt and a water-soluble organic solvent are added to a sodium hyaluronate solution containing sodium hyaluronate, or a solution obtained by passing the solution through a positively charged filter to precipitate and precipitate sodium hyaluronate, and a supernatant is obtained. Disclosed is a method for purifying sodium hyaluronate, which comprises removing a pyrogen by extracting a liquid, and sodium hyaluronate obtained by the purification method.
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