Cellulose derivative

C - Chemistry – Metallurgy – 08 – B

Patent

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C08B 15/05 (2006.01) A61L 31/00 (2006.01)

Patent

CA 2618253

A cellulose derivative comprising a repeating unit represented by the formula (1) and having a molecular weight of 5 ~ 103 to 5 ~ 106: (1) wherein R1, R2 and R3 are independently selected from the group consisting of the residues represented by the formulae (a), (b), (c) and (d) at a specified ratio: -H (a) -CH2-COOH (b) -CH2-COOX (c) [Chemical formula] (d)

La présente invention concerne un dérivé de cellulose comprenant un motif répétitif représenté par la formule (1) et ayant un poids moléculaire de 5 × 103 à 5 × 106 : (1) où R1, R2 et R3 sont sélectionnés indépendamment du groupe comprenant les résidus représentés par les formules (a), (b), (c) et (d) à un taux spécifique : -H (a) -CH2-COOH (b) -CH2-COOX (c) [formule chimique] (d)

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