Patent ID: 7927486

Claim:
A polymer modified porous substrate for solid phase extraction or chromatography, comprising a porous substrate and a polymeric monolith formed thereon, wherein the polymeric monolith has the formula wherein A is selected from C 5-10 monocyclic or bicyclic aryl or heteroaryl, optionally substituted with -L-Q p -R q ; q is 0-3; p is 0-5; Q is —NRC(O)—, —C(O)NR—, —OC(O)NR—, —OC(O)R, —NRC(O)O—, —NRC(O)NR—, —NCO, —CHOHCHOH—, CH 2 OCHCH 2 O—, —(CH 2 CH 2 O) s — and —(CH 2 CH 2 CH 2 O) s —, —C(O)—, —C(O)O—, —CH 2 C(O)CH 2 —, —S—, —SS—, —CHOH—, —O—, —SO—, —SO 2 —, —SO 3 —, —OSO 3 , —SO 2 NR—, —NR q —, and —NR q + —, where R is not H, —CN, —NC, —CHOCH—, —NHC(NH)NH—, —NO 2 , —NO, —OPO 3 —, —OH, where s is 1-12; and R is hydrogen, C 5-10 monocyclic or bicyclic aryl or heteroaryl, C 1-12 branched, unbranched, or cyclic hydrocarbyl; P is L is a bond or a C 1-12 branched, unbranched, or cyclic hydrocarbyl; and wherein the order of [—CH 2 —CR-L-A-P] and [—CH 2 —CR-L-A] is random, block or a combination thereof and n and m are positive integers.