Cleaning compositions for solid surfaces – auxiliary compositions – Cleaning compositions or processes of preparing – For cleaning a specific substrate or removing a specific...
Patent
1995-03-06
1997-11-04
Lieberman, Paul
Cleaning compositions for solid surfaces, auxiliary compositions
Cleaning compositions or processes of preparing
For cleaning a specific substrate or removing a specific...
510285, 510291, 510466, 8137, 8142, C11D 182, C11D 339, C11D 343
Patent
active
056839774
ABSTRACT:
A system for dry cleaning soils from fabrics comprising 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.
REFERENCES:
patent: 5467492 (1995-11-01), Chao et al.
Bae-Lee Myongsuk
Del Pizzo Lisa
Harris Rosemarie
Jureller Sharon Harriott
Kerschner Judith Lynne
Delcotto Gregory R.
Huffman A. Kate
Lever Brothers Company Division of Conopco, Inc.
Lieberman Paul
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