Patent ID: 7189685

Claim:
A method for removing soil from a textile, comprising: providing a penetrant composition; the penetrant composition consisting of: about 45 to about 55 wt-% alkyl amine oxide, the alkyl amine oxide being decyl dimethyl amine oxide, lauryl dimethyl amine oxide, myristyl dimethyl amine oxide, cetyl dimethyl amine oxide, or mixtures thereof; about 45 to about 55 wt-% alkyl ethoxylated quaternary ammonium compound comprising an alkyl group having about 6 to about 22 carbon atoms and a degree of ethoxylation between about 2 and about 20; optionally, wetting agent, hydrotrope, defoamer, solvent, dye, odorant, or mixture thereof; and diluting the penetrant composition to about 50 to about 2000 ppm in water in a laundry machine; contacting the soiled textile in the laundry machine with the diluted penetrant composition during flushing or during fill for sudsing and without contacting the laundry with a sudsing or bleaching composition; washing the penetrant treated textile with a textile cleaning composition; and removing soil from the textile.