Chelating monomers and polymers

Claim 1

A POLYMER HAVING A PLURALITY OF REPEATING UNITS OF THE FORMULA -CH2-CH(-(AR-O-K''-C(-)(-R)-C(-)(-R)2)(-OH)(-AM))WHEREIN R'' IS A RADICAL SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND METHYL RADICALS; R IS A RADICAL FROM THE CLASS CONSISTING OF HYDROGEN AND ALKYL RADICALS OF NO MORE THAN 6 CARBON ATOMS; AR REPRESENTS A DIVALENT AROMATIC RADICAL SELECTED FROM THE CLASS CONSISTING OF DIVALENT AROMATIC HYDROCARBON RADICALS AND THE CHLORO, AND FLUORO DERIVATIVES THEREOF; K'' IS A DIVALENT ALKYLENE RADICALS OF AT LEAST 1 AND NO MORE THAN 8 CARBON ATOMS IN THE LINEAR CHAIN BETWEEN SAID VALENCIES; AND AM REPRESENTS AN AMINOACID RADICAL SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC AMINOACIDS, THE METAL AND AMMONIUM SALTS AND LOWER ALKYL AND LOWER ARYL ESTERS THEREOF, SAID AM RADICAL HAVING THE VALENCE BOND OF SAID FORMULA ATTACHED TO AN AMINO NITROGEN IN SAID RADICAL, HAVING NO MORE THAN ABOUT 20 CARBON ATOMS THEREIN AND HAVING AN AMINO GROUP NO FARTHER THAN 2 CARBON ATOMS AWAY FROM A CARBOXYLIC GROUP.