IT1401922B1 - PROCESS TO OBTAIN DEFINED MOLECULAR WEIGHT HYALURONIC ACID - Google Patents

PROCESS TO OBTAIN DEFINED MOLECULAR WEIGHT HYALURONIC ACID

Info

Publication number
IT1401922B1
IT1401922B1 ITMI2010A001636A ITMI20101636A IT1401922B1 IT 1401922 B1 IT1401922 B1 IT 1401922B1 IT MI2010A001636 A ITMI2010A001636 A IT MI2010A001636A IT MI20101636 A ITMI20101636 A IT MI20101636A IT 1401922 B1 IT1401922 B1 IT 1401922B1
Authority
IT
Italy
Prior art keywords
molecular weight
hyaluronic acid
weight hyaluronic
defined molecular
obtain defined
Prior art date
Application number
ITMI2010A001636A
Other languages
Italian (it)
Inventor
Gatta Annalisa La
Chiara Schiraldi
Rosa Alfredo De
Agostino Antonella D
Original Assignee
Ibsa Inst Biochimique Sa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ibsa Inst Biochimique Sa filed Critical Ibsa Inst Biochimique Sa
Priority to ITMI2010A001636A priority Critical patent/IT1401922B1/en
Priority to PCT/EP2011/065632 priority patent/WO2012032150A2/en
Publication of ITMI20101636A1 publication Critical patent/ITMI20101636A1/en
Application granted granted Critical
Publication of IT1401922B1 publication Critical patent/IT1401922B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
    • C08B37/0063—Glycosaminoglycans or mucopolysaccharides, e.g. keratan sulfate; Derivatives thereof, e.g. fucoidan
    • C08B37/0072—Hyaluronic acid, i.e. HA or hyaluronan; Derivatives thereof, e.g. crosslinked hyaluronic acid (hylan) or hyaluronates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/70—Carbohydrates; Sugars; Derivatives thereof
    • A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
    • A61K31/726—Glycosaminoglycans, i.e. mucopolysaccharides
    • A61K31/728—Hyaluronic acid
ITMI2010A001636A 2010-09-09 2010-09-09 PROCESS TO OBTAIN DEFINED MOLECULAR WEIGHT HYALURONIC ACID IT1401922B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ITMI2010A001636A IT1401922B1 (en) 2010-09-09 2010-09-09 PROCESS TO OBTAIN DEFINED MOLECULAR WEIGHT HYALURONIC ACID
PCT/EP2011/065632 WO2012032150A2 (en) 2010-09-09 2011-09-09 Process for obtaining hyaluronic acid of defined molecular weight

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2010A001636A IT1401922B1 (en) 2010-09-09 2010-09-09 PROCESS TO OBTAIN DEFINED MOLECULAR WEIGHT HYALURONIC ACID

Publications (2)

Publication Number Publication Date
ITMI20101636A1 ITMI20101636A1 (en) 2012-03-10
IT1401922B1 true IT1401922B1 (en) 2013-08-28

Family

ID=43589544

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI2010A001636A IT1401922B1 (en) 2010-09-09 2010-09-09 PROCESS TO OBTAIN DEFINED MOLECULAR WEIGHT HYALURONIC ACID

Country Status (2)

Country Link
IT (1) IT1401922B1 (en)
WO (1) WO2012032150A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111562231B (en) * 2020-06-22 2023-09-15 华熙生物科技股份有限公司 Method for measuring molecular weight of hyaluronic acid

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6806259B2 (en) * 2001-12-21 2004-10-19 Soft Gel Technologies, Inc. Hyaluronic Acid in soft gel form
US20050196370A1 (en) * 2003-03-18 2005-09-08 Zhi-Jian Yu Stable ophthalmic oil-in-water emulsions with sodium hyaluronate for alleviating dry eye
GB0722507D0 (en) * 2007-11-19 2007-12-27 Zhao Xiaobin Hyaluronic acid personal lubricant

Also Published As

Publication number Publication date
ITMI20101636A1 (en) 2012-03-10
WO2012032150A3 (en) 2012-07-12
WO2012032150A2 (en) 2012-03-15

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