GR3031973T3 - A process for preparing a hyaluronic acid fraction having a low polydispersion index - Google Patents

A process for preparing a hyaluronic acid fraction having a low polydispersion index

Info

Publication number
GR3031973T3
GR3031973T3 GR990403066T GR990403066T GR3031973T3 GR 3031973 T3 GR3031973 T3 GR 3031973T3 GR 990403066 T GR990403066 T GR 990403066T GR 990403066 T GR990403066 T GR 990403066T GR 3031973 T3 GR3031973 T3 GR 3031973T3
Authority
GR
Greece
Prior art keywords
hyaluronic acid
preparing
pct
acid fraction
polydispersion index
Prior art date
Application number
GR990403066T
Other languages
English (en)
Inventor
Lanfranco Callegaro
Davide Renier
Original Assignee
Fidia Advanced Biopolymers Srl
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 Fidia Advanced Biopolymers Srl filed Critical Fidia Advanced Biopolymers Srl
Publication of GR3031973T3 publication Critical patent/GR3031973T3/el

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/006Heteroglycans, 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
    • C08B37/0063Glycosaminoglycans or mucopolysaccharides, e.g. keratan sulfate; Derivatives thereof, e.g. fucoidan
    • C08B37/0072Hyaluronic acid, i.e. HA or hyaluronan; Derivatives thereof, e.g. crosslinked hyaluronic acid (hylan) or hyaluronates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
GR990403066T 1995-12-20 1999-11-29 A process for preparing a hyaluronic acid fraction having a low polydispersion index GR3031973T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT95PD000244A IT1282219B1 (it) 1995-12-20 1995-12-20 Processo chimico fisico combinato per la preparazione di frazioni di acido ialuronico a basso peso molecolare caratterizzate da bassa
PCT/EP1996/005701 WO1997022629A1 (en) 1995-12-20 1996-12-19 A process for preparing a hyaluronic acid fraction having a low polydispersion index

Publications (1)

Publication Number Publication Date
GR3031973T3 true GR3031973T3 (en) 2000-03-31

Family

ID=11391198

Family Applications (1)

Application Number Title Priority Date Filing Date
GR990403066T GR3031973T3 (en) 1995-12-20 1999-11-29 A process for preparing a hyaluronic acid fraction having a low polydispersion index

Country Status (14)

Country Link
US (2) US6020484A (el)
EP (1) EP0868437B1 (el)
JP (1) JP4094059B2 (el)
AT (1) ATE184024T1 (el)
AU (1) AU703332B2 (el)
CZ (1) CZ291394B6 (el)
DE (1) DE69604087T2 (el)
DK (1) DK0868437T3 (el)
ES (1) ES2139402T3 (el)
GR (1) GR3031973T3 (el)
HU (1) HU226949B1 (el)
IL (1) IL124909A (el)
IT (1) IT1282219B1 (el)
WO (1) WO1997022629A1 (el)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1282219B1 (it) * 1995-12-20 1998-03-16 Fidia Advanced Biopolymers Srl Processo chimico fisico combinato per la preparazione di frazioni di acido ialuronico a basso peso molecolare caratterizzate da bassa
IT1291452B1 (it) 1997-04-14 1999-01-11 Fidia Advanced Biopolymers Srl Rivestimento a base di acido ialuronico e suoi derivati per la protezione di parti elettroniche da agenti esterni
US20020172712A1 (en) * 2001-03-19 2002-11-21 Alan Drizen Antiemetic, anti-motion sustained release drug delivery system
AU2003221078A1 (en) * 2002-04-08 2003-10-20 Denki Kagaku Kogyo Kabushiki Kaisha Therapeutic composition for bone infectious disease
AU2003230321B8 (en) * 2002-05-09 2009-07-30 Medigenes A pharmaceutical composition for treatment of wounds containing blood plasma or serum
JP4879482B2 (ja) * 2002-05-17 2012-02-22 ワイス・エルエルシー 骨原性タンパク質を送達するための注入可能な固体ヒアルロン酸キャリア
WO2004004671A1 (en) * 2002-07-02 2004-01-15 Procyte Corporation Compositions containing peptide copper complexes and soft tissue fillers
US20060183709A1 (en) * 2005-02-15 2006-08-17 Ahmad Alkayali Preparation of low molecular weight hyaluronic acid as a food supplement
JP4576583B2 (ja) 2005-03-22 2010-11-10 キユーピー株式会社 ヒアルロン酸またはその塩、およびその製造方法、ならびにこれを含有する化粧料および食品組成物
US7323184B2 (en) * 2005-08-22 2008-01-29 Healagenics, Inc. Compositions and methods for the treatment of wounds and the reduction of scar formation
WO2007099830A1 (ja) * 2006-02-24 2007-09-07 Q.P. Corporation 新規な低分子ヒアルロン酸および/またはその塩、ならびにこれを用いた化粧料、医薬組成物および食品組成物
JP2009541372A (ja) * 2006-06-28 2009-11-26 ノボザイムス バイオファーマ デーコー アクティーゼルスカブ 複数のヒアルロン酸画分を含む化粧用と医療用の組成物
WO2008003321A2 (en) * 2006-07-07 2008-01-10 Novozymes Biopolymer A/S Compositions with several hyaluronic acid fractions for cosmetic use
JP2009545637A (ja) 2006-08-04 2009-12-24 ノボザイムス バイオファーマ デーコー アクティーゼルスカブ 分岐ヒアルロン酸及びその製造方法
US8529951B1 (en) 2007-02-21 2013-09-10 Anand Ramamurthi Elastogenic cues and methods for using same
AU2008322629B2 (en) * 2007-11-13 2013-05-16 Bio-Technology General (Israel) Ltd. Dilute filtration sterilization process for viscoelastic biopolymers
US20130209531A1 (en) * 2010-06-08 2013-08-15 University Of Utah Research Foundation Applications of partially and fully sulfated hyaluronan
CN113512134B (zh) * 2021-07-30 2022-05-20 梅晔生物医药股份有限公司 一种全分子量分布的透明质酸钠及其制备方法和应用
JP7503278B1 (ja) 2024-02-09 2024-06-20 株式会社ブルー・スターR&D 低分子ヒアルロン酸の製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5166331A (en) * 1983-10-10 1992-11-24 Fidia, S.P.A. Hyaluronics acid fractions, methods for the preparation thereof, and pharmaceutical compositions containing same
DK171029B1 (da) * 1983-10-11 1996-04-22 Fidia Spa Hyaluronsyrefraktion, fremgangsmåde til fremstilling deraf samt ophthalmiske præparater indeholdende hyaluronsyrefraktion
US4851521A (en) * 1985-07-08 1989-07-25 Fidia, S.P.A. Esters of hyaluronic acid
GB8713747D0 (en) * 1987-06-12 1987-07-15 Unilever Plc Skin treatment composition
IT1219587B (it) * 1988-05-13 1990-05-18 Fidia Farmaceutici Polisaccaridi carbossiilici autoreticolati
JPH0675512B2 (ja) * 1989-03-20 1994-09-28 株式会社紀文食品 低重合度ヒアルロン酸アルカリ塩の製造方法
IT1247175B (it) * 1991-04-19 1994-12-12 Fidia Spa Procedimento per la purificazione di acido ialuronico e frazione di acido ialuronico puro per uso oftalmico.
IT1260148B (it) * 1992-04-17 1996-03-28 Fidia Spa Impiego di preparazioni di acido ialuronico per la formazione di tessuto osseo
IT1268954B1 (it) * 1994-03-11 1997-03-18 Fidia Advanced Biopolymers Srl Processo per la preparazione di acido ialuronico mediante sintesienzimatica e relative composizioni farmaceutiche
ITPD940054A1 (it) * 1994-03-23 1995-09-23 Fidia Advanced Biopolymers Srl Polisaccaridi solfatati
IT1282219B1 (it) * 1995-12-20 1998-03-16 Fidia Advanced Biopolymers Srl Processo chimico fisico combinato per la preparazione di frazioni di acido ialuronico a basso peso molecolare caratterizzate da bassa

Also Published As

Publication number Publication date
WO1997022629A1 (en) 1997-06-26
ITPD950244A1 (it) 1997-06-20
EP0868437A1 (en) 1998-10-07
JP4094059B2 (ja) 2008-06-04
HUP9903666A3 (en) 2001-03-28
EP0868437B1 (en) 1999-09-01
DE69604087T2 (de) 2000-02-24
DK0868437T3 (da) 2000-03-13
CZ188998A3 (cs) 1998-09-16
CZ291394B6 (cs) 2003-02-12
ES2139402T3 (es) 2000-02-01
ITPD950244A0 (el) 1995-12-20
HU226949B1 (en) 2010-03-29
AU703332B2 (en) 1999-03-25
AU1374997A (en) 1997-07-14
US6232303B1 (en) 2001-05-15
IT1282219B1 (it) 1998-03-16
ATE184024T1 (de) 1999-09-15
IL124909A (en) 2002-09-12
JP2000502141A (ja) 2000-02-22
US6020484A (en) 2000-02-01
HUP9903666A2 (hu) 2000-03-28
IL124909A0 (en) 1999-01-26
DE69604087D1 (de) 1999-10-07

Similar Documents

Publication Publication Date Title
GR3031973T3 (en) A process for preparing a hyaluronic acid fraction having a low polydispersion index
IL117532A0 (en) Production of compositions in the form of a solid solution of an active substance in a polymer matrix
HU9202434D0 (en) Methyl-pyrrholidinone quitosane and method for producing it
MXPA94003094A (es) Polimero en barra rigido, a base de piridobisimidazol.
CA2028553A1 (en) Method employing type ii endoglycosidase
AU3518395A (en) Topical ketoconazole emulsions
AU3111295A (en) Alginate fibre, process for the preparation thereof and use
AU6789496A (en) Use as antifreeze of polymers with recurring succinyl units
IL113450A (en) Process for the preparation of high solubility multicomponent inclusion complexes consisting of an acidic drug a cyclodextrin and a base and the complexes produced thereby
ZA958157B (en) Process for the manufacture of starch break-down products
AU3397795A (en) A method for production of ethyl alcohol
IL122606A (en) (S)-hydroxa-nitrile-lyase
CA2151123A1 (fr) Cellules modifiees au niveau du catabolisme de la betaine, preparation et utilisations, notamment pour la production de metabolites ou d'enzymes
EP0623630A3 (de) Wasser-in-Öl-Polymeremulsionen, Verfahren zu ihrer Herstellung und ihre Verwendung.
MX9801133A (es) Agente endoparasiticida a base de didepsipeptidos, nuevos didepsipeptidos y procedimiento para su produccion.
ZA9915B (en) Use of oxidation promoting chemicals in the oxidation of oxidizable galactose type of alcohol configuration containing polymer.
AU6514796A (en) Method for preparing a cellulose formate solution by impregnating and kneading cellulose slabs
CA2240682A1 (en) A process for preparing a hyaluronic acid fraction having a low polydispersion index
GB9304399D0 (en) Novel process
AU8293191A (en) Producing metal hydroxides with a small specific area
WO1991009885A3 (en) Process for making electro-optically active polymers
DE59702821D1 (en) Dimethyl-substituierte cyclohexandienderivate
AU5269696A (en) Anellated beta-carbolines