Acid cleaning of drums with interior linings
US4957566A · kind A · utility
1Cited by
5References
4Claims
0Family size
Inventors
Key dates
| Filing date | Dec 31, 1985 |
| Grant date | Sep 18, 1990 |
| Priority date | — |
| Expiry date | Dec 31, 2005 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B9/0817
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method and means is provided for cleaning of drums with interior linings wherein sulfuric acid is utilized. The process of the present invention is especially suitable for cleaning epoxy, phenolic, epoxy phenolic linings and other linings from steel drums. In certain instances chains may be used in conjunction with the cleaning process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.