Patent ID: 8883188

Claim:
A supramolecular material comprising: (a) a polymer comprising at least two 4H-units; and (b) a biologically active compound covalently bonded to one to ten 4H-units that are not the 4H-units of (a); wherein the supramolecular material comprises 50.00-99.99 percent by weight of the polymer and 0.01-50.00 percent by weight of the biologically active compound, based on the total weight of the supramolecular material; and wherein the 4H-units of (a) and (b) have the general formula (3) or formula (4) and tautomers thereof: wherein X is nitrogen atom or a carbon atom bearing a substituent R 8 selected from the group consisting of: (i) hydrogen; (ii) C 1 -C 20 alkyl; (iii) C 6 -C 12 aryl; (iv) C 7 -C 12 alkaryl; (v) C 7 -C 12 alkylaryl; (vi) polyester groups having the formula (5) wherein R 4 and Y are independently selected from the group consisting of hydrogen and C 1 -C 6 linear or branched alkyl, n is 1 to 6, and m is 10 to 100; (vii) C 1 -C 10 alkyl groups substituted with 1-4 ureido groups according to the formula (6) R 5 —NH—C(O)—NH— (6) wherein R 5 is selected from the group consisting of hydrogen and C 1 -C 6 linear or branched alkyl; and (viii) polyether groups having the formula (7) wherein R 6 , Wand Y are independently selected from the group consisting of hydrogen and C 1 -C 6 linear or branched alkyl and o is 10 to 100, wherein the least two 4H-units of (a) are bonded to the backbone of the polymer via R 1 , R 2 and/or R 3 with the other R 1 , R 2 and R 3 groups representing, independently, a side chain according to (i)-(viii), and wherein the 4H-units of (b) are bonded to the biologically active compound via R 1 , with R 2 and R 3 representing, independently, a side chain according to (i)-(viii).