Patent 6878681 was granted and assigned to Ecolab Inc on April, 2005 by the United States Patent and Trademark Office.
Compositions and methods of the invention include: providing a wet fabric; contacting the wet fabric with a compound of formula (I):where X− is an anion, R, R1 and R2 are independently selected from (C1-C4)alkyl, or (C1-C4)alkoxy, R3 is a polyoxyalkylene chain of formula:where, n is 35-45; or a compound of formula (II):where R is a (C1-C25)alkyl, (C1-C25)alkoxy, (C1-C25)alkenyl, n is 1-50, m is 1-50; and removing water from the wet fabric.