Biodegradable ether dry cleaning solvent
US6350287B1 · kind B1 · utility
10Cited by
14References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 5, 2001 |
| Grant date | Feb 26, 2002 |
| Priority date | — |
| Expiry date | Jun 5, 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.