Patent ID: 7553983

Claim:
A transesterified ionic organosilicon compound selected from the group consisting of: where in each formula: Y is (OCH 2 CH 2 ) n OH radical where n has a value of one through ten, or [OC 3 H 6 ] n OH (propylene glycol) radical where n has a value of one through ten, or [C 3 H 7 O 3 ], (glycerol) radical; R′ is an alkyl radical including one to three carbons, or (OCH 2 CH 2 ) n OH radical where n has a value of one through ten, or [OC 3 H 5 ] n OH (propylene glycol) radical where n has a value of one through ten, or [C 3 H 7 O 3 ] (glycerol) radical, or [O(CH 2 ) m CH 3 ] radical where m has a value of 0, 1, 2 or 3, or (CH 3 OCH 2 CH 2 O) radical, or (CH 3 CH 2 OCH 2 CH 2 O) radical; R″ is an alkyl radical including one to three carbons, or [O(CH 2 ) m CH 3 ] radical where m has value 0, 1, 2 or 3 or (CH 3 OCH 2 CH 2 O) radical, or (CH 3 CH 2 OCH 2 CH 2 O) radical; R′″ is an alkylene group including one to four carbon atoms; R iv , R v and R vi are alkyl groups including one to twenty two carbon atoms wherein at least one such group is larger than eight carbon atoms, —CH 2 C 6 H 5 , —CH 2 CH 2 OH, —CH 2 OH, and=(CH 2 ) x NHC(O)R vii wherein x has a value of from two to ten and R vii is a perfluoroalkyl radical having one to twelve carbon atoms; X is chloride, bromide, fluoride, iodide, acetate or tosylate; and Z is a positively charged aromatic pyridinium ring of formula C 5 H 5 N + .