Dry cleaning solvents containing DPTB and other surfactants
US6673120B2 · kind B2 · utility
6Cited by
20References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 12, 2001 |
| Grant date | Jan 6, 2004 |
| Priority date | — |
| Expiry date | Dec 12, 2021 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/14
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for dry-cleaning garments which comprises treating the garments with a mixture of dipropylene glycol tertiary-butyl ether (DPTB) and water for a period of time sufficient to effect dry-cleaning, wherein the weight ratio of DPTB to water is at least 9:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.