Title:
HYALURONIC ACID AND/OR SALT THEREOF, METHOD FOR PRODUCING SAME, AND FOOD, COSMETIC, AND PHARMACEUTICAL CONTAINING SAID HYALURONIC ACID AND/OR SALT THEREOF
Document Type and Number:
WIPO Patent Application WO/2015/108029
Kind Code:
A1
Abstract:
Hyaluronic acid and/or a salt thereof having an average molecular weight of 3500 or less, a proportion of disaccharide of 1-30 mass%, a chlorine content and sulfur content of 1 mass% or less each, and a bulk density greater than 0.25 g/cm3.
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Inventors:
YAMAZAKI TARO (JP)
KAJIYAMA DAICHI (JP)
KAJIYAMA DAICHI (JP)
Application Number:
PCT/JP2015/050638
Publication Date:
July 23, 2015
Filing Date:
January 13, 2015
Export Citation:
Assignee:
KEWPIE CORP (JP)
International Classes:
C08B37/08; A23L1/30; A61K8/73; A61K31/728
Domestic Patent References:
WO2011070948A1 | 2011-06-16 | |||
WO2008004530A1 | 2008-01-10 |
Foreign References:
JP2012001696A | 2012-01-05 | |||
JPS62289197A | 1987-12-16 | |||
JPH02142801A | 1990-05-31 | |||
JP2009155486A | 2009-07-16 | |||
JP2006265287A | 2006-10-05 | |||
JP2009155486A | 2009-07-16 |
Other References:
TORVARD C LAURENT; MARION RYAN; ADOLPH PIETRUS ZKIEWICZ: "Fractionation of hyaluronic Acid", BIOCHEMINA ET BIOPHYSICA ACTA., vol. 42, 1960, pages 476 - 485, XP023382851, DOI: doi:10.1016/0006-3002(60)90826-X
CHIKAKO YOMOTA: "Evaluation of Molecular Weights of Sodium Hyaluronate Preparations by SEC-MALLS", BULL. NATL. INST. HEALTH SCI., vol. 121, 2003, pages 030 - 033
CHIKAKO YOMOTA: "Evaluation of Molecular Weights of Sodium Hyaluronate Preparations by SEC-MALLS", BULL. NATL. INST. HEALTH SCI., vol. 121, 2003, pages 030 - 033
Attorney, Agent or Firm:
HARUKA PATENT & TRADEMARK ATTORNEYS (JP)
Patent business corporation far international patent firm (JP)
Patent business corporation far international patent firm (JP)
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