	US 7,488,352 B2
	Dry cleaning process
Johannes Maria Evers, Vlaardingen (Netherlands); Machiel Goedhart, Vlaardingen (Netherlands); Freddie Kerpels, Vlaardingen (Netherlands); Cornelis Gerhard Van Kralingen, Vlaardingen (Netherlands); Pieter Everhardus Overdevest, Vlaardingen (Netherlands); Hank Robert Reinhoudt, Vlaardingen (Netherlands); and Karin Vrieswijk, Vlaardingen (Netherlands)
Assigned to Unilever Home & Personal Care USA, division of Conopco, Inc., Greenwich, Conn. (US)
Appl. No. 10/539,001 PCT Filed Dec. 01, 2003, PCT No. PCT/EP03/13573 § 371(c)(1), (2), (4) Date Jun. 15, 2005, PCT Pub. No. WO2004/057093, PCT Pub. Date Jul. 08, 2004.
Claims priority of application No. 02080466 (EP), filed on Dec. 19, 2002.
Prior Publication US 2006/0128583 A1, Jun. 15, 2006
This patent is subject to a terminal disclaimer.
Int. Cl. D06L 1/00 (2006.01)

U.S. Cl. 8—142 [510/276; 510/284; 510/285; 510/291; 510/304; 510/338; 510/371]

6 Claims

1. A dry cleaning process for in-home dry cleaning consisting of a dry cleaning step of contacting a laundry article stained with particulate soil with a low aqueous dry cleaning composition wherein the liquor to cloth ratio (w/w) (LCR) is at most 20,

wherein said composition comprises

a) a non-flammable, non-chlorine containing organic dry cleaning solvent;

b) from 0.05 to 0.9% by weight of an acid surfactant; and a subsequent step of rinsing the articles with only clean dry cleaning solvent comprising

0 to 0.0001 wt. % of a surfactant;

0 wt.% of water;

0 to 50 wt. % of a cosolvent and

a non-flammable, non-chlorine containing organic dry cleaning solvent.