The present invention relates to a polyvalent imprinted polymer useful in medicine and biotechnology and to a process for the preparation thereof. More particularly it relates to the said polymer of formula (1) herein below ##STR1##

wherein R is H, CH₃, C₂H₅, C₆H₅, R₁is H, CH₃, C₂H₅, C₆H₅; R₂ is H, CH₃, C₂H₅, C₆H₅, X is based on 4-Amino Butyric Acid (4-ABa), 6-Amino Caproic Acid (6-ACA), 8-Amino Octanoic Acid (8-AOA), 10-Amino Decanoic Acid (10-ADA), 11-Amino Undecanoic Acid (11-ADA), n is from 3 to 50, L is OH, NH₂, OCH₃, NH—CH—(CH₃)₂, Cl, OCH₂, CHCH₂, O—CHCH₂; and Y is N-Acetyl Glucosamine (NAG), mannose, galactose, sialic acid, fructose, ribulose, erythrolose, xylulose, psicose, sorbose tagaose, glucopyranose, fructofuranose, deoxyribose, galactosamine, sucrose, lactose, isomaltose, maltose, cellobiose, cellulose and amylose; Z is based on chain terminating agent such as Mercapto Ethanol, Mercapto, Mercapto Propanol, Mercaptoethylamine HCl.