Patent ID: 9549987
Date: 2017-01-24
CPC Classifications: A61K,A61P,C08B,C08J,C08L

Claim:
1. A polymer composition comprising a mixture of: a) Phenyl boronic acid (PBA) modified hyaluronic acid (HA) polymer grafted on at least a hydroxyl with a group comprising phenylboronic acid, wherein said group is selected in the group consisting of phenylboronic acid, 3-aminophenylboronic acid, 4-aminophenylboronic acid, 4-(aminoethylcarbamoyl)-3-fluorophenylboronic acid and 4-[(2-aminoethyl) carbamoyl] phenylboronic acid, and b) Cis-diol modified hyaluronic acid (HA) polymer grafted on at least a hydroxyl with a group comprising a cis-diol, wherein said cis-diol is selected in the group consisting of: disaccharides, hexoses, uronic acid derivatives of hexoses, hexosamines, N-acetyl derivatives of hexosamines, glycerol, mannitol and sialic acid.