Patent ID: 7297349
Filing Date: 2007-11-20
Classification: A01N

Abstract:
1. A copper-containing composition comprising: divalent copper, polyphosphate residue(s), and a surfactant; wherein the polyphosphate residue is at least one member selected from the group consisting of a pyrophosphate residue, tripolyphosphate residue, tetrapolyphosphate residue, trimetaphosphate residue, and tetrametaphosphate residue; wherein the amount of the polyphosphate residues per one chemical equivalent of the divalent copper is higher than one chemical equivalent and not more than 4 chemical equivalents; wherein the surfactant is at least one member selected from the group consisting of polyoctyl polyaminoethyl glycine, alkyl polyaminoethyl glycine hydrochlorides, and 2-alkyl-N-carboxymethyl-N-hydroxyethyl imidazolium betaine; or is at least one member selected from the group consisting of C