HYALURONIC ACID COMPOSITION

WIPO Patent Application WO/2014/091980

A1

The purpose of the present invention is to provide a hyaluronic acid composition which contains a component having health risks as little as possible. The hyaluronic acid composition according to the present invention is a hyaluronic acid composition containing hyaluronic acid (A), fulfills the requirement represented by item (1) mentioned below, and has a ratio of the weight of a hyaluronic acid synthase (B) to the weight of the hyaluronic acid (A) (hyaluronic acid synthase (B)/hyaluronic acid (A)) in the hyaluronic acid composition of 1/100 or less: (1) the total amount of N-acetylgalactosamine and galactosamine in constituent monosaccharides that constitute the hyaluronic acid (A) contained in the hyaluronic acid composition is 5 wt% or less relative to the weight of the hyaluronic acid (A).

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JP2011162377	N-OXYL COMPOUND-CARRYING MAGNETIC PARTICLE

YANAGIHARA FUSAMITSU (JP)

PCT/JP2013/082566

June 19, 2014

December 04, 2013

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SANYO CHEMICAL IND LTD (JP)

C08B37/08; C08L5/08; C12P19/26; A61K8/73; A61K31/728; A61K38/43; A61L31/00; A61P17/02; A61P29/00

WO2012169437A1

2012-12-13

JPS6115698A	1986-01-23
JPS62295901A	1987-12-23
JPS62501471A	1987-06-18
JPS6312293A	1988-01-19
JPH01313503A	1989-12-19

CLAUDIO DE LUCA ET AL.: "Enzymatic Synthesis of Hyaluronic Acid with Regeneration of Sugar Nucleotides", J. AM. CHEM. SOC., vol. 117, 1995, pages 5869 - 5870

YASUTOMI & Associates (JP)
Patent business corporation Yasutomi international patent firm (JP)

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