November 20, 2007

A method for purifying dry cleaning solvents containing laundry soils. The method employs membrane filtration to enhance the separation of the contaminants from the dry cleaning solvent.

16

November 20, 2007

10/876,123

June 24, 2004

210/644   134/10 8/141 8/142

B01D   11/00   (20060101)   B01D   61/00   (20060101)   B08B   7/04   (20060101)  

CROSS REFERENCE TO RELATED APPLICATIONS This application claims the benefit of U.S. Provisional Application Ser. No. 60/483,154 filed on Jun. 27, 2003; U.S. Provisional Application Ser. No. 60/483,290 filed on Jun. 27, 2003; U.S. Provisional Application Ser. No. 60/547,126 filed on Feb. 24, 2004; U.S. Provisional Application Ser. No. 60/547,368 filed on Feb. 24, 2004; and U.S. Provisional Application Ser. No. 60/547,355 filed on Feb. 24, 2004.

210/650   210/651   210/652   210/653   210/654   210/640   210/663   210/670   210/689   210/684   210/500.25   210/644   95/45   95/52   8/142   8/141   134/10   134/13