Cleaning processes using hydrofluorocarbon and/or hydrochlorofluorocarbon compounds
US6589355B1 · kind B1 · utility
30Cited by
13References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2000 |
| Grant date | Jul 8, 2003 |
| Priority date | — |
| Expiry date | Nov 4, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S134/902
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed are methods of cleaning articles of manufacture using hydrofluorocarbon and hydrochlorofluorocarbon fluids. The methods comprise generally the steps of (a) providing a hydrofluorocarbon and/or hydrochlorofluorocarbon fluid in liquid or supercritical state; (b) contacting an article of manufacture with said fluid; and (c) removing substantially all of said fluid from said article of manufacture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.