C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
C08B 37/08 (2006.01)
Patent
CA 2240682
A process for preparing a hyaluronic acid fraction having an average molecular weight comprised between 5000 and 300,000 and a polydispersion index lower than 1.7, comprising treating the starting high molecular weight hyaluronic acid, contemporaneously with sodium hypochlorite and ultrasounds.
Procédé de préparation d'une fraction d'acide hyaluronique présentant un poids moléculaire moyen compris entre 5 000 et 300 000, et un indice de polydispersité inférieur à 1,7, consistant à traiter l'acide hyaluronique de poids moléculaire élevé de départ avec de l'hypochlorite de sodium et simultanément avec des ultrasons.
Callegaro Lanfranco
Renier Davide
Fidia Advanced Biopolymers Srl
Fidia Farmaceutici S.p.a.
Ridout & Maybee Llp
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