Cleaning compositions and methods comprising a hydrofluoro-olefin or hydrochlorofluoro-olefin solvent
US8637443B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 17, 2009 |
| Grant date | Jan 28, 2014 |
| Priority date | — |
| Expiry date | Dec 17, 2029 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06M2200/01
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides solvent and cleaning compositions comprising an ionic surfactant, which preferably has a fluorinated portion thereof, and a solvent selected from hydrofluoro- and/or hydrochlorofluoro-olefins. Additionally, the invention provides drying, dry cleaning, and soil repellency compositions containing a hydrofluoro- or hydrochlorofluoro-olefin and said surfactant. Additionally, the invention provides drying compositions containing a hydrofluoro-olefin or hydrochlorofluoro-olefin and an alcohol such as methanol, ethanol or isopropanol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.