Patent ID: 6841635

Claim:
A compound which has the structure: wherein for X is —CHR 7 , oxygen or sulfur; wherein when X represents oxygen, n is the integer 2, 3, 4, or 5; and wherein when X represents sulfur, n is the integer 1, 2, 3, 4 or 5; and R 1 , R 2 , R 3 , R 4 , R 5 , R 6 and R 7 are, independently, unsubstituted and substituted alkyl groups containing 1 to 10 carbon atoms, alkylene groups containing 1 to 10 carbon atoms, substituted aryl groups containing 7 to 12 carbon atoms, or unsubstituted aryl groups; alternatively either of R 3 , R 4 , R 5 , R 6 and R 7 in (I) include hydrogen; alternatively, R 1 and R 2 are part of a second unsubstituted or substituted cyclic borate; R 1 and R 2 alternatively comprise a spiro ring or a spiro-ether ring; alternatively, R 1 or R 2 together with R 3 or R 4 in (I) are linked to form a cycloaliphatic ring; alternatively in (I) R 1 or R 2 together with either R 3 or R 4 comprise a cyclic ether ring; and M is any positively charged species with m being greater than 0.