The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 14, 1997
Filed:
Mar. 06, 1995
Sharon Harriott Jureller, Haworth, NJ (US);
Judith Lynne Kerschner, Ridgewood, NJ (US);
Myongsuk Bae-Lee, Montville, NJ (US);
Lisa Del Pizzo, Bloomfield, NJ (US);
Rosemarie Harris, Yonkers, NY (US);
Carol Resch, Rutherford, NJ (US);
Cathy Wada, Bergenfield, NJ (US);
Lever Brothers Company, Division of Conopco, Inc., New York, NY (US);
Abstract
A method of dry cleaning fabrics using a dry cleaning system is described. The system comprises densified carbon dioxide and a surfactant in the densified CO.sub.2. The surfactant has a polysiloxane, a branched polyalkylene oxide and a halocarbon group which is a functional CO.sub.2 -philic moiety connected to a CO.sub.2 -phobic functional moiety. The surfactant either exhibits an HLB of less than 15 or has a ratio of siloxyl to substituted siloxyl groups of greater than 0.5:1.