Modified hyaluronic acid, method for making same and uses thereof

The present invention generally relates to a modified hyaluronic acid (HA) and to a method for making same, more specifically to a (poly)glycerol-modified HA derivative prepared by grafting glycidol to HA. The present invention also relates to the use of the HA derivative for preparing a dermal fill...

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Bibliographische Detailangaben
Hauptverfasser:	Krause, Andreas, Villain, Franck, Linko, Alexander
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS, ORSURGICAL ARTICLES CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS DERIVATIVES THEREOF DISINFECTION, STERILISATION, OR DEODORISATION OF AIR GENERAL PROCESSES OF COMPOUNDING HUMAN NECESSITIES HYGIENE MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS, OR SURGICALARTICLES MEDICAL OR VETERINARY SCIENCE METALLURGY METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS INGENERAL ORGANIC MACROMOLECULAR COMPOUNDS POLYSACCHARIDES PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention generally relates to a modified hyaluronic acid (HA) and to a method for making same, more specifically to a (poly)glycerol-modified HA derivative prepared by grafting glycidol to HA. The present invention also relates to the use of the HA derivative for preparing a dermal filler composition, a hydrogel comprising cross-linked HA and the (poly)glycerol-modified HA derivative, and a method for preparing said hydrogel. Furthermore, the present invention relates to the use of the hydrogel as a cosmetic and/or aesthetic product, in particular as a dermal filler for tissue filling, replacing and/or augmenting.