Patent ID: 8168806

Claim:
A boron chelate complex of the formula wherein X is either —C(R 1 R 2 )— or —C(R 1 R 2 )—C(═O)—, wherein R 1 and R 2 are independently selected from the group consisting of H, C 1 -C 5 alkyl, aryl, silyl and a polymer, wherein if R 1 or R 2 are alkyl, they may be bonded to a chelatoborate radical, or wherein X is a 1,2-aryl with up to two substituents S in the positions 3 to 6 of the formula in which S 1 and S 2 are independently selected from the group consisting of a C 2 to C 5 alkyl, fluorine and a and polymer; wherein M+ is selected from the group consisting of Li + , Na + , K + , Rb + , Cs + , [(R 3 R 4 R 5 R 6 )N] + and H + , wherein R 3 , R 4 , R 5 , and R 6 are independently H or alkyl, wherein if X is —C(R 1 R 2 )—C(═)—, at least one of R 1 and R 2 are not H.