Novel injectable chitosan mixtures forming hydrogels

Details Novel injectable chitosan mixtures forming hydrogels Novel injectable chitosan mixtures forming hydrogels

A - Human Necessities

61

K

A61K 47/36 (2006.01) A61K 9/06 (2006.01)

Patent

CA 2672495

A chitosan composition comprising at least one type of chitosan having a degree of acetylation in the range of from about 30% to about 60%, and at least one type of chitosan having a degree of deacetylation of at least about 70%, wherein the composition undergoes pH- and temperature-dependant gelation to form a hydrogel; and methods of preparation and uses thereof.

Composition de chitosans comprenant au moins un type de chitosan ayant un degré d'acétylation compris entre 30 % et 60 % environ et au moins un type de chitosan ayant un degré de désacétylation d'au moins 70 % environ, caractérisée en ce que la composition subit une gélification dépendante du pH et de la température pour former un hydrogel; et procédés de préparation et utilisations de celle-ci.

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