Biodegradable dry cleaning solvent
US5888250A · kind A · utility
88Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1997 |
| Grant date | Mar 30, 1999 |
| Priority date | — |
| Expiry date | Apr 4, 2017 |
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 them with an azeotropic solvent of propylene glycol tertiary-butyl ether and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.