Process for preventing the redeposition of soil during dry cleaning, and composition for carrying out this process
US4378968A · kind A · utility
7Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1981 |
| Grant date | Apr 5, 1983 |
| Priority date | — |
| Expiry date | Jun 17, 2001 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06L1/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Process for preventing soil redeposition onto textile articles made of natural, synthetic or artificial fibers or a blend thereof, during dry cleaning operations using stabilized perchloroethylene. It is characterized in that a sufficient amount of at least one C.sub.4 to C.sub.6 alcohol, chosen from amongst those having a boiling point of between 95.degree. and 140.degree. C. and those forming, with the perchloroethylene, an azeotrope having a boiling point of between 80.degree. and 130.degree. C., is incorporated into this perchloroethylene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.