Patent ID: 7754806

Claim:
A biological substance adsorption preventive coating composition comprising: (A) a copolymer obtained by copolymerizing raw material monomers including a monomer A1 shown by the following general formula (1) and an active hydrogen group-containing monomer A2, wherein the amount of monomer A1 in the raw material monomers is from 50 to 99 wt % and the amount of the monomer A2 in the raw material monomer is from 1 to 50 wt % CH 2 ═CR 3 COOR 1 OR 2 (1) wherein R 1 represents an alkylene group having 1 to 4 carbon atoms, R 2 represents an alkyl group having 1 to 4 carbon atoms, and R 3 represents a hydrogen atom or a methyl group; (B) a crosslinking agent reactive with an active hydrogen group; and (C) a solvent.