C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 5/08 (2006.01) A61L 15/28 (2006.01) A61L 15/64 (2006.01) A61L 31/04 (2006.01) C08J 3/075 (2006.01) C08L 1/26 (2006.01)
Patent
CA 2371833
A hyaluronic acid gel composition comprising hyaluronic acid and a polymer, which is substantially unmodified with a chemical cross-linking agent or a chemical modifying agent and which has a percentage dissolution of hyaluronic acid of 50% or lower in 12 hours in a neutral aqueous solution of 37°C.
L'invention concerne une composition gélifiée à base d'acide hyaluronique caractérisée en ce qu'elle contient de l'acide hyaluronique et un polymère, en ce qu'elle n'a subi sensiblement aucune modification à l'aide d'un agent de réticulation chimique ou d'un agent de modification chimique et en ce qu'elle présente un pourcentage de dissolution d'acide hyaluronique d'au moins 50% lorsqu'elle est immergée dans une solution aqueuse neutre à 37 DEG C pendant 12 heures.
Arai Kazuhiko
Hashimoto Masamichi
Himeda Yasukazu
Miyata Yoshiaki
Umeda Toshihiko
Denki Kagaku Kogyo Kabushiki Kaisha
Smart & Biggar
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