IL124909A - The process involving ultrasound and sodium hypochlorite in the preparation of a fraction of hyaluronic acid with a low polydispersity index - Google Patents
The process involving ultrasound and sodium hypochlorite in the preparation of a fraction of hyaluronic acid with a low polydispersity indexInfo
- Publication number
- IL124909A IL124909A IL12490996A IL12490996A IL124909A IL 124909 A IL124909 A IL 124909A IL 12490996 A IL12490996 A IL 12490996A IL 12490996 A IL12490996 A IL 12490996A IL 124909 A IL124909 A IL 124909A
- Authority
- IL
- Israel
- Prior art keywords
- hyaluronic acid
- molecular weight
- process according
- weight ranging
- average molecular
- Prior art date
Links
- KIUKXJAPPMFGSW-DNGZLQJQSA-N (2S,3S,4S,5R,6R)-6-[(2S,3R,4R,5S,6R)-3-Acetamido-2-[(2S,3S,4R,5R,6R)-6-[(2R,3R,4R,5S,6R)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1[C@H](O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H]([C@@H](O[C@H]3[C@@H]([C@@H](O)[C@H](O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)[C@@H](C(O)=O)O1 KIUKXJAPPMFGSW-DNGZLQJQSA-N 0.000 title claims abstract description 92
- 229920002674 hyaluronan Polymers 0.000 title claims abstract description 86
- 229960003160 hyaluronic acid Drugs 0.000 title claims abstract description 86
- 238000002604 ultrasonography Methods 0.000 title claims abstract description 31
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000005708 Sodium hypochlorite Substances 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims description 56
- 230000008569 process Effects 0.000 title claims description 34
- 239000000061 acid fraction Substances 0.000 title claims description 22
- 150000003839 salts Chemical class 0.000 claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 230000033115 angiogenesis Effects 0.000 claims abstract description 4
- 230000011164 ossification Effects 0.000 claims abstract description 4
- 230000017423 tissue regeneration Effects 0.000 claims abstract description 4
- 239000000243 solution Substances 0.000 claims description 23
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 12
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 241000561734 Celosia cristata Species 0.000 claims description 3
- 210000001520 comb Anatomy 0.000 claims description 3
- 239000008194 pharmaceutical composition Substances 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000000855 fermentation Methods 0.000 claims description 2
- 230000004151 fermentation Effects 0.000 claims description 2
- 238000000338 in vitro Methods 0.000 claims description 2
- 238000003786 synthesis reaction Methods 0.000 claims description 2
- 239000004480 active ingredient Substances 0.000 claims 1
- 238000006731 degradation reaction Methods 0.000 description 14
- 230000015556 catabolic process Effects 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 8
- 238000011282 treatment Methods 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical class Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- KIUKXJAPPMFGSW-YXBJCWEESA-N (2s,4s,5r,6s)-6-[(2s,3r,5s,6r)-3-acetamido-2-[(3s,4r,5r,6r)-6-[(3r,4r,5s,6r)-3-acetamido-2,5-dihydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-2-carboxy-4,5-dihydroxyoxan-3-yl]oxy-5-hydroxy-6-(hydroxymethyl)oxan-4-yl]oxy-3,4,5-trihydroxyoxane-2-carboxylic acid Chemical compound CC(=O)N[C@H]1C(O)O[C@H](CO)[C@@H](O)[C@@H]1O[C@H]1[C@H](O)[C@@H](O)[C@H](O[C@H]2[C@@H](C(O[C@@H]3[C@@H]([C@@H](O)C(O)[C@H](O3)C(O)=O)O)[C@H](O)[C@@H](CO)O2)NC(C)=O)C(C(O)=O)O1 KIUKXJAPPMFGSW-YXBJCWEESA-N 0.000 description 3
- GZSUIHUAFPHZSU-UHFFFAOYSA-N 9-ethyl-2,3-dihydro-1h-carbazol-4-one Chemical compound C12=CC=CC=C2N(CC)C2=C1C(=O)CCC2 GZSUIHUAFPHZSU-UHFFFAOYSA-N 0.000 description 3
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 3
- IAJILQKETJEXLJ-UHFFFAOYSA-N Galacturonsaeure Natural products O=CC(O)C(O)C(O)C(O)C(O)=O IAJILQKETJEXLJ-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 3
- AEMOLEFTQBMNLQ-WAXACMCWSA-N alpha-D-glucuronic acid Chemical compound O[C@H]1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@H]1O AEMOLEFTQBMNLQ-WAXACMCWSA-N 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 150000004676 glycans Chemical class 0.000 description 3
- 229920001282 polysaccharide Polymers 0.000 description 3
- 239000005017 polysaccharide Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 108010003272 Hyaluronate lyase Proteins 0.000 description 2
- 102000001974 Hyaluronidases Human genes 0.000 description 2
- 229960005070 ascorbic acid Drugs 0.000 description 2
- 235000010323 ascorbic acid Nutrition 0.000 description 2
- 239000011668 ascorbic acid Substances 0.000 description 2
- 238000004587 chromatography analysis Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 229930182470 glycoside Natural products 0.000 description 2
- 229960002773 hyaluronidase Drugs 0.000 description 2
- 230000004054 inflammatory process Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- NIQQIJXGUZVEBB-UHFFFAOYSA-N methanol;propan-2-one Chemical compound OC.CC(C)=O NIQQIJXGUZVEBB-UHFFFAOYSA-N 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 238000009210 therapy by ultrasound Methods 0.000 description 2
- NJNFCDQQEIAOIF-UHFFFAOYSA-N 2-(3,4-dimethoxy-2-methylsulfanylphenyl)ethanamine Chemical compound COC1=CC=C(CCN)C(SC)=C1OC NJNFCDQQEIAOIF-UHFFFAOYSA-N 0.000 description 1
- MSWZFWKMSRAUBD-IVMDWMLBSA-N 2-amino-2-deoxy-D-glucopyranose Chemical compound N[C@H]1C(O)O[C@H](CO)[C@@H](O)[C@@H]1O MSWZFWKMSRAUBD-IVMDWMLBSA-N 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 229910019093 NaOCl Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003444 anaesthetic effect Effects 0.000 description 1
- 230000002491 angiogenic effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000003110 anti-inflammatory effect Effects 0.000 description 1
- 230000000840 anti-viral effect Effects 0.000 description 1
- 239000003443 antiviral agent Substances 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- MSWZFWKMSRAUBD-UHFFFAOYSA-N beta-D-galactosamine Natural products NC1C(O)OC(CO)C(O)C1O MSWZFWKMSRAUBD-UHFFFAOYSA-N 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 230000001851 biosynthetic effect Effects 0.000 description 1
- 230000024245 cell differentiation Effects 0.000 description 1
- 230000008614 cellular interaction Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000012691 depolymerization reaction Methods 0.000 description 1
- 125000000600 disaccharide group Chemical group 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006911 enzymatic reaction Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002270 exclusion chromatography Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 229960002442 glucosamine Drugs 0.000 description 1
- 238000001631 haemodialysis Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000003902 lesion Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007620 mathematical function Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000569 multi-angle light scattering Methods 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- IOVGROKTTNBUGK-SJCJKPOMSA-N ritodrine Chemical compound N([C@@H](C)[C@H](O)C=1C=CC(O)=CC=1)CCC1=CC=C(O)C=C1 IOVGROKTTNBUGK-SJCJKPOMSA-N 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000007928 solubilization Effects 0.000 description 1
- 238000005063 solubilization Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 210000001179 synovial fluid Anatomy 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 210000003954 umbilical cord Anatomy 0.000 description 1
- 239000005526 vasoconstrictor agent Substances 0.000 description 1
- 230000029663 wound healing Effects 0.000 description 1
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
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IL14123096A IL141230A (en) | 1995-12-20 | 1996-12-19 | Hyaluronic acid derivatives obtained from hyaluronic acid fraction having a low polydispersion index and pharmaceutical compositions and healthcare products containing them |
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 (2)
| Publication Number | Publication Date |
|---|---|
| IL124909A0 IL124909A0 (en) | 1999-01-26 |
| IL124909A true IL124909A (en) | 2002-09-12 |
Family
ID=11391198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IL12490996A IL124909A (en) | 1995-12-20 | 1996-12-19 | The process involving ultrasound and sodium hypochlorite in the preparation of a fraction of hyaluronic acid with a low polydispersity index |
Country Status (14)
| Country | Link |
|---|---|
| US (2) | US6020484A (es) |
| EP (1) | EP0868437B1 (es) |
| JP (1) | JP4094059B2 (es) |
| AT (1) | ATE184024T1 (es) |
| AU (1) | AU703332B2 (es) |
| CZ (1) | CZ291394B6 (es) |
| DE (1) | DE69604087T2 (es) |
| DK (1) | DK0868437T3 (es) |
| ES (1) | ES2139402T3 (es) |
| GR (1) | GR3031973T3 (es) |
| HU (1) | HU226949B1 (es) |
| IL (1) | IL124909A (es) |
| IT (1) | IT1282219B1 (es) |
| WO (1) | WO1997022629A1 (es) |
Families Citing this family (19)
| 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 |
| US20060153893A1 (en) * | 2002-04-08 | 2006-07-13 | Denki Kagaku Kogyo Kabushiki Kaisha | Therapeutic composition for bone infectious disease |
| US20050142208A1 (en) * | 2002-05-09 | 2005-06-30 | Won Min Yoo | Pharmceutical composition for treatment of wounds conntaining blood plasma or serum |
| MXPA04011337A (es) * | 2002-05-17 | 2005-07-01 | Wyeth Corp | Portadores de acido hialuronico solidos y susceptibles de ser inyectados para la liberacion de proteinas osteogenicas. |
| AU2003247816A1 (en) * | 2002-07-02 | 2004-01-23 | 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 |
| US8367818B2 (en) | 2006-02-24 | 2013-02-05 | Q.P. Corporation | Low molecular weight hyaluronic acid and/or salt thereof, and cosmetic preparation, pharmaceutical composition, and food composition each using same |
| WO2008000260A1 (en) * | 2006-06-28 | 2008-01-03 | Novozymes Biopolymer A/S | Compositions with several hyaluronic acid fractions for cosmetic and medical uses |
| 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 |
| WO2009063291A1 (en) * | 2007-11-13 | 2009-05-22 | 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)
| 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 |
| IN163192B (es) * | 1983-10-11 | 1988-08-20 | Fidia Spa | |
| 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 |
-
1995
- 1995-12-20 IT IT95PD000244A patent/IT1282219B1/it active IP Right Grant
-
1996
- 1996-12-19 CZ CZ19981889A patent/CZ291394B6/cs not_active IP Right Cessation
- 1996-12-19 EP EP96944007A patent/EP0868437B1/en not_active Expired - Lifetime
- 1996-12-19 HU HU9903666A patent/HU226949B1/hu not_active IP Right Cessation
- 1996-12-19 AT AT96944007T patent/ATE184024T1/de active
- 1996-12-19 WO PCT/EP1996/005701 patent/WO1997022629A1/en active IP Right Grant
- 1996-12-19 JP JP52251197A patent/JP4094059B2/ja not_active Expired - Fee Related
- 1996-12-19 IL IL12490996A patent/IL124909A/en not_active IP Right Cessation
- 1996-12-19 DK DK96944007T patent/DK0868437T3/da active
- 1996-12-19 DE DE69604087T patent/DE69604087T2/de not_active Expired - Lifetime
- 1996-12-19 ES ES96944007T patent/ES2139402T3/es not_active Expired - Lifetime
- 1996-12-19 US US09/096,646 patent/US6020484A/en not_active Expired - Lifetime
- 1996-12-19 AU AU13749/97A patent/AU703332B2/en not_active Ceased
-
1999
- 1999-10-26 US US09/426,536 patent/US6232303B1/en not_active Expired - Lifetime
- 1999-11-29 GR GR990403066T patent/GR3031973T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US6020484A (en) | 2000-02-01 |
| CZ291394B6 (cs) | 2003-02-12 |
| EP0868437B1 (en) | 1999-09-01 |
| ES2139402T3 (es) | 2000-02-01 |
| EP0868437A1 (en) | 1998-10-07 |
| ITPD950244A0 (es) | 1995-12-20 |
| AU1374997A (en) | 1997-07-14 |
| GR3031973T3 (en) | 2000-03-31 |
| WO1997022629A1 (en) | 1997-06-26 |
| IT1282219B1 (it) | 1998-03-16 |
| DE69604087D1 (de) | 1999-10-07 |
| HUP9903666A3 (en) | 2001-03-28 |
| HUP9903666A2 (hu) | 2000-03-28 |
| IL124909A0 (en) | 1999-01-26 |
| US6232303B1 (en) | 2001-05-15 |
| ITPD950244A1 (it) | 1997-06-20 |
| ATE184024T1 (de) | 1999-09-15 |
| AU703332B2 (en) | 1999-03-25 |
| DK0868437T3 (da) | 2000-03-13 |
| JP4094059B2 (ja) | 2008-06-04 |
| CZ188998A3 (cs) | 1998-09-16 |
| JP2000502141A (ja) | 2000-02-22 |
| DE69604087T2 (de) | 2000-02-24 |
| HU226949B1 (en) | 2010-03-29 |
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