Patent ID: 7348424

Claim:
A polysaccharide having a phosphorylcholine group represented by one of the following general formulas (2)-(10): wherein, in general formulas (2)-(7), n denotes an integer 1-22; in general formulas 3 and 4 m denotes an integer 1-22; in general formulas (2)-(7), SUGAR denotes a polysaccharide; in general (10), R1, R2, and R5 denote O, NH, or a tertiary amine; R3 and R4 are straight chain or branched alkylenes having 1-22 carbon atoms, or ethylene oxide having 1-20 repeat units; R6 denotes a hydrocarbon including aromatic hydrocarbons or a perfluoroalkylene group having 1-22 carbon atoms; K denotes an integer 0-6; in formulas (8),(9) and (10), n, m and q denote positive integers, and “sugar” denotes a polysachharide.