IT8423225A1 - Preparati di acido ialuronico insolubili in acqua e procedimento per prepararli - Google Patents
Preparati di acido ialuronico insolubili in acqua e procedimento per prepararliInfo
- Publication number
- IT8423225A1 IT8423225A1 IT1984A23225A IT2322584A IT8423225A1 IT 8423225 A1 IT8423225 A1 IT 8423225A1 IT 1984A23225 A IT1984A23225 A IT 1984A23225A IT 2322584 A IT2322584 A IT 2322584A IT 8423225 A1 IT8423225 A1 IT 8423225A1
- Authority
- IT
- Italy
- Prior art keywords
- preparing
- procedure
- hyaluronic acid
- water insoluble
- acid preparations
- Prior art date
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
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)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US56181883A | 1983-12-15 | 1983-12-15 | |
US59807184A | 1984-04-09 | 1984-04-09 |
Publications (3)
Publication Number | Publication Date |
---|---|
IT8423225A0 IT8423225A0 (it) | 1984-10-18 |
IT8423225A1 true IT8423225A1 (it) | 1986-04-18 |
IT1178588B IT1178588B (it) | 1987-09-09 |
Family
ID=27072762
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT23225/84A IT1178588B (it) | 1983-12-15 | 1984-10-18 | Preparati di acido ialuronico insolubili in acqua e procedimento per prepararli |
Country Status (6)
Country | Link |
---|---|
AU (1) | AU551628B2 (it) |
CA (1) | CA1238043A (it) |
DE (1) | DE3434104A1 (it) |
FR (1) | FR2556728B1 (it) |
GB (1) | GB2151244B (it) |
IT (1) | IT1178588B (it) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4582865A (en) * | 1984-12-06 | 1986-04-15 | Biomatrix, Inc. | Cross-linked gels of hyaluronic acid and products containing such gels |
US4713448A (en) * | 1985-03-12 | 1987-12-15 | Biomatrix, Inc. | Chemically modified hyaluronic acid preparation and method of recovery thereof from animal tissues |
US4851521A (en) * | 1985-07-08 | 1989-07-25 | Fidia, S.P.A. | Esters of hyaluronic acid |
US5202431A (en) * | 1985-07-08 | 1993-04-13 | Fidia, S.P.A. | Partial esters of hyaluronic acid |
IT1198449B (it) * | 1986-10-13 | 1988-12-21 | F I D I Farmaceutici Italiani | Esteri di alcoli polivalenti di acido ialuronico |
US5527893A (en) * | 1987-09-18 | 1996-06-18 | Genzyme Corporation | Water insoluble derivatives of polyanionic polysaccharides |
US6174999B1 (en) * | 1987-09-18 | 2001-01-16 | Genzyme Corporation | Water insoluble derivatives of polyanionic polysaccharides |
US6610669B1 (en) | 1987-09-18 | 2003-08-26 | Genzyme Corporation | Water insoluble derivatives of polyanionic polysaccharides |
US4937270A (en) * | 1987-09-18 | 1990-06-26 | Genzyme Corporation | Water insoluble derivatives of hyaluronic acid |
US5017229A (en) * | 1990-06-25 | 1991-05-21 | Genzyme Corporation | Water insoluble derivatives of hyaluronic acid |
AU619760B2 (en) * | 1987-12-10 | 1992-02-06 | Genzyme Biosurgery Corporation | Hylan preparation and method of recovery thereof from animal tissues |
US4888016A (en) * | 1988-02-10 | 1989-12-19 | Langerman David W | "Spare parts" for use in ophthalmic surgical procedures |
WO1990007648A1 (en) * | 1988-12-29 | 1990-07-12 | Chang, Victor, Peter | Diaphragm pump |
IT1260154B (it) * | 1992-07-03 | 1996-03-28 | Lanfranco Callegaro | Acido ialuronico e suoi derivati in polimeri interpenetranti (ipn) |
US5550112A (en) * | 1992-12-30 | 1996-08-27 | Patent Biopharmaceutics, Inc. | Hyaluronic acid-urea pharmaceutical compositions and uses |
US5624915A (en) * | 1993-08-04 | 1997-04-29 | Patent Biopharmaceutics, Inc. | Hyaluronic acid-urea pharmaceutical compositions and uses |
US5531716A (en) * | 1993-09-29 | 1996-07-02 | Hercules Incorporated | Medical devices subject to triggered disintegration |
US6294202B1 (en) | 1994-10-06 | 2001-09-25 | Genzyme Corporation | Compositions containing polyanionic polysaccharides and hydrophobic bioabsorbable polymers |
WO1996039464A1 (en) * | 1995-06-06 | 1996-12-12 | C.R. Bard, Inc. | Process for the preparation of aqueous dispersions of particles of water-soluble polymers and the particles obtained |
US6214331B1 (en) | 1995-06-06 | 2001-04-10 | C. R. Bard, Inc. | Process for the preparation of aqueous dispersions of particles of water-soluble polymers and the particles obtained |
US6060534A (en) | 1996-07-11 | 2000-05-09 | Scimed Life Systems, Inc. | Medical devices comprising ionically and non-ionically crosslinked polymer hydrogels having improved mechanical properties |
US6368356B1 (en) | 1996-07-11 | 2002-04-09 | Scimed Life Systems, Inc. | Medical devices comprising hydrogel polymers having improved mechanical properties |
PT939086E (pt) * | 1998-02-27 | 2004-07-30 | Stichting Hippomedics | Processo para produzir o acido hialuronico reticulado |
GB9902652D0 (en) * | 1999-02-05 | 1999-03-31 | Fermentech Med Ltd | Process |
US6521223B1 (en) * | 2000-02-14 | 2003-02-18 | Genzyme Corporation | Single phase gels for the prevention of adhesions |
US7387836B2 (en) | 2002-04-17 | 2008-06-17 | Genzyme Corporation | Aziridine compounds and their use in medical devices |
US20050222081A1 (en) * | 2002-04-17 | 2005-10-06 | Gianolio Diego A | Cross-linked hyaluronate compounds |
AU2003901834A0 (en) | 2003-04-17 | 2003-05-01 | Clearcoll Pty Ltd | Cross-linked polysaccharide compositions |
GB2408741B (en) * | 2003-12-04 | 2008-06-18 | Ind Tech Res Inst | Hyaluronic acid derivative with urethane linkage |
US8313765B2 (en) | 2003-12-04 | 2012-11-20 | Industrial Technology Research Institute | Biodegradable hyaluronic acid derivative, biodegradable polymeric micelle composition and pharmaceutical or bioactive composition |
EP1742692A4 (en) | 2004-03-17 | 2012-06-27 | Genzyme Corp | ANTI-ADHERENCE SPRAY |
US7858107B2 (en) | 2004-09-10 | 2010-12-28 | Medtronic Xomed, Inc. | Flexible bioresorbable hemostatic packing and stent having a preselectable in-vivo residence time |
GB2423252B (en) * | 2005-02-18 | 2007-10-17 | Engelhard Lyon | Cross-linked polymer of carbohydrate, notably based on polysaccharides, and/or on oligosaccharides and/or on polyols |
FR2882366B1 (fr) | 2005-02-18 | 2008-04-18 | Coletica Sa | Polymere reticule de carbohydrate, notamment a base de polysaccharides et/ou de polyols |
ES2440240T3 (es) | 2005-08-04 | 2014-01-28 | Teijin Limited | Derivado de celulosa |
FR2918377B1 (fr) | 2007-07-05 | 2010-10-08 | Estelle Piron | Gel co-reticule de polysaccharides |
US8691957B2 (en) | 2007-09-28 | 2014-04-08 | Shiseido Company, Ltd. | Swellable crosslinked hyaluronan powder and method for producing the same |
FR2924615B1 (fr) | 2007-12-07 | 2010-01-22 | Vivacy Lab | Hydrogel cohesif biodegradable. |
US10266684B2 (en) | 2012-03-12 | 2019-04-23 | Colorado State University Research Foundation | Glycosaminoglycan and synthetic polymer materials for blood-contacting applications |
ES2856830T3 (es) * | 2012-03-12 | 2021-09-28 | Univ Colorado State Res Found | Glicosaminoglicano y materiales poliméricos sintéticos para aplicaciones en contacto con la sangre |
ITMI20131193A1 (it) * | 2013-07-16 | 2015-01-17 | Ira Srl | Acido ialuronico reticolato, processo per la sua preparazione ed applicazioni in ambito estetico |
ITUA20161822A1 (it) * | 2016-03-18 | 2017-09-18 | Indena Spa | Composizioni utili nella prevenzione e/o nel trattamento di patologie del cavo orale, delle prime vie aeree e dell’esofago |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE361320B (it) * | 1972-03-14 | 1973-10-29 | Exploaterings Ab Tbf | |
US4152170A (en) * | 1975-06-18 | 1979-05-01 | Sumitomo Chemical Company, Ltd. | Cross-linked pullulan |
GB1515963A (en) * | 1975-07-15 | 1978-06-28 | Massachusetts Inst Technology | Crosslinked collagen-mucopolysaccharide composite materials |
-
1984
- 1984-08-07 CA CA000460460A patent/CA1238043A/en not_active Expired
- 1984-08-13 GB GB08420560A patent/GB2151244B/en not_active Expired
- 1984-09-17 DE DE19843434104 patent/DE3434104A1/de active Granted
- 1984-09-21 AU AU33379/84A patent/AU551628B2/en not_active Expired
- 1984-10-18 IT IT23225/84A patent/IT1178588B/it active
- 1984-11-26 FR FR8417956A patent/FR2556728B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3434104A1 (de) | 1985-08-29 |
IT8423225A0 (it) | 1984-10-18 |
AU3337984A (en) | 1985-06-20 |
DE3434104C2 (it) | 1991-06-20 |
IT1178588B (it) | 1987-09-09 |
GB2151244A (en) | 1985-07-17 |
AU551628B2 (en) | 1986-05-08 |
FR2556728A1 (fr) | 1985-06-21 |
FR2556728B1 (fr) | 1987-06-26 |
GB2151244B (en) | 1987-01-07 |
GB8420560D0 (en) | 1984-09-19 |
CA1238043A (en) | 1988-06-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971027 |