Methyl pyrrolidinone chitosan, production process and uses...

Details Methyl pyrrolidinone chitosan, production process and uses... Methyl pyrrolidinone chitosan, production process and uses...

C - Chemistry, Metallurgy

08

B

C08B 37/08 (2006.01) A61K 8/73 (2006.01) A61K 47/36 (2006.01) A61L 15/28 (2006.01) A61L 26/00 (2006.01) A61L 27/34 (2006.01)

Patent

CA 2074517

2074517 9209635 PCTABS00013 Modified chitins and chitosans with recurring units of formula (I), wherein R denotes -NH2, -NHCOCH3 and R', with R' being present in at least 30 % of the recurring units, characterized in that R' represents a group of formula (II) in a proportion of at least 90 %. Due to their favourable biological properties, these materials are advantageously useful in medical and cosmetical applications.

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