Patent ID: 8778278

Claim:
A device comprising: a substrate; and a copolymer comprising: a plurality of Structure (I) groups: wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 and R 9 are independently at each occurance a C1-C10 aliphatic radical, a C3-C20 cycloaliphatic radical, or C6-C20 aromatic radical; and X 1 , X 3 are independently at each occurance a sulphur, nitrogen, oxygen, or carbon, and X 2 is independently at each occurance a sulphur, nitrogen, or oxygen; at least one cross linker comprising a derivative of an acrylate; and at least one monomer of an acrylate or its derivative, wherein the material is provided on at least a portion of the substrate, and has an exposed surface that is non-bioadhesive.