C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 37/08 (2006.01) A61L 17/00 (2006.01) A61L 17/10 (2006.01)
Patent
CA 2264085
The application discloses esters of hyaluronic acid, wherein a first part of the carboxy functions is esterified with an araliphatic alcohol and a second part is esterified with long-chain, straight aliphatic alcohols with between 10 and 22 carbons atoms. The possible remaining non-esterified carboxy functions, if present, are salified. The application further discloses biodegradable threads constituted by the aforesaid esters, and their use in the fields of medicine and surgery.
L'invention concerne des esters de l'acide hyaluronique, dans lesquels une première partie des fonctions carboxy est estérifiée par un alcool araliphatique et une seconde partie par des alcools aliphatiques purs à longue chaîne comportant 10 à 22 atomes de carbone. Les fonctions carboxy restant éventuellement non estérifiées, s'il y en a, sont salifiées. L'invention concerne également des fils biodégradables constitués par lesdits esters, ainsi que leur utilisation dans le domaine de la médecine et de la chirurgie.
Bellini Davide
Callegaro Lanfranco
Fidia Advanced Biopolymers Srl
Ridout & Maybee Llp
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