Claims
- 1. A dry cleaning system comprising:(a) a continuous phase solvent selected from a silicone comprising solvent; and (b) a surfactant comprising the formula: wherein each R and T are independently a hydrogen, C5 to C18 hydrocarbon, polysiloxane, CO2 soluble polyalkylene oxide or halocarbon, with the proviso that at least T or one R group is not hydrogen, L is C(R2) or y-(T)t, x is an integer from about 1 to about 6, each y is independently N, P, S, B or O and t is 0 or 1 with the proviso that t is 0 when y is oxygen.
- 2. The dry cleaning system according to claim 1 wherein the dry cleaning system further comprises a polar additive.
- 3. The dry cleaning system according to claim 2 wherein the polar additive is water.
- 4. The dry cleaning system according to claim 1 wherein the hydrocarbon is a C6 to C12 hydrocarbon, the polysiloxane is polydimethylsiloxane with or without propylene oxide substituents and having a weight average molecular weight of about 200 to about 200,000, the polyalkylene oxide is polypropylene oxide having a weight average molecular weight of about 100 to about 100,000, and the halocarbon is a C2 to C8 fluoroalkylene or fluoroalkenylene, x is an integer from about 2 to about 4 and the heteroatom is N.
- 5. The dry cleaning system according to claim 1 wherein R is a C5 to C18 group, y is oxygen and x is 2.
- 6. The dry cleaning system according to claim 1 wherein the silicone comprising solvent is a cyclic or linear siloxane.
- 7. A method for dry cleaning fabric comprising the steps of contacting the fabric with the dry cleaning system of claim 1.
- 8. The method for dry cleaning fabric according to claim 7 wherein the method further comprises a step of contacting the fabric with a polar additive.
- 9. The method for dry cleaning a fabric according to claim 8 wherein the polar additive is water.
- 10. The method for dry cleaning a fabric according to claim 7 wherein the hydrocarbon is a C6 to C12 hydrocarbon, the polysiloxane is a polydimethyl siloxane with or without propylene oxide substituents and having a weight average molecular weight of about 200 to about 200,000, the polyalkylene oxide is polypropylene oxide having a weight average molecular weight of about 100 to about 100,000, and the halocarbon is a C2 to C8 fluoroalkylene or fluoroalkenylene, X is an integer from about 2 to about 4 and the heteroatom is N.
- 11. The method for dry cleaning a fabric according to claim 7 wherein R is a C5 to C18 group, L is oxygen, y is oxygen and x is 2.
- 12. The method for dry cleaning a fabric according to claim 7 wherein the silicone comprising solvent is a cyclic or linear siloxane.
Parent Case Info
This is a Divisional of U.S. Ser. No. 09/930,094, filed Aug. 15, 2001, now, U.S. Pat No. 6,482,784 which is a Continuation of U.S. Ser. No. 09/517,166, filed Mar. 2, 2000, now U.S. Pat. No. 6,313,079 B, issued Nov. 6, 2001.
US Referenced Citations (6)
Number |
Name |
Date |
Kind |
5294644 |
Login et al. |
Mar 1994 |
A |
5683977 |
Jureller et al. |
Nov 1997 |
A |
5746776 |
Smith et al. |
May 1998 |
A |
5888250 |
Hayday et al. |
Mar 1999 |
A |
5942007 |
Berndt et al. |
Aug 1999 |
A |
6313079 |
Murphy |
Nov 2001 |
B1 |
Foreign Referenced Citations (4)
Number |
Date |
Country |
1092803 |
Apr 2001 |
EP |
9716264 |
May 1997 |
WO |
9910585 |
Mar 1999 |
WO |
9910587 |
Mar 1999 |
WO |
Non-Patent Literature Citations (2)
Entry |
European Search Report Application No. EP 01 20 0406 dated Jun. 21, 2001. |
Derwent Publication XP 002170288 & JP 04 057963 A (Kobayashi Seiyaku K). |
Continuations (1)
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Number |
Date |
Country |
Parent |
09/517166 |
Mar 2000 |
US |
Child |
09/930094 |
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US |