Method and composition using densified carbon dioxide and cleaning adjunct to clean fabrics
US5279615A · kind A · utility
59Cited by
12References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 14, 1991 |
| Grant date | Jan 18, 1994 |
| Priority date | — |
| Expiry date | Jun 14, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/12
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The invention provides a method and composition for the removal of nonpolar stains from a fabric comprising: PA0 contacting said stains with densified carbon dioxide and a cleaning adjunct in mixture with said carbon dioxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.