Method and apparatus for cleaning articles
US5242502A · kind A · utility
7Cited by
6References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 2, 1992 |
| Grant date | Sep 7, 1993 |
| Priority date | — |
| Expiry date | Jun 2, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23G5/04
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Disclosed is a method and degreasing apparatus for cleaning articles. The articles are contacted with a chlorinated benzotrifluoride liquid which is subsequently washed from the articles using liquid methylene chloride. The degreaser includes means for applying the liquids to the articles and can also include means for evaporating some of the methylene chloride to render vapors of the chlorinated benzotrifluoride nonflammable.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.