Patent ID: 7915323

Claim:
A monomer mix useful for forming a medical device wherein the monomer mix comprises at least one monomer selected from the group consisting of the monomers having the following formula (I): wherein X is the residue of a ring opening agent, L is the same or different and is a linker group or a bond and V is an ethylenically unsaturated polymerizable group, R 1 , R 2 , R 3 , R 4 , R 5 , R 6 are independently H, alkyl, halo alkyl, cyclo alkyl, heterocyclo alkyl, alkenyl, halo alkenyl, or aromatic, R 7 and R 8 are independently H or alkyl wherein at least one of R 7 or R 8 is hydrogen, y is 2-7 and n is 1-100 and when polymerized forms a medical device.