Cleaning composition for removal of PCBs
US4921628A · kind A · utility
3Cited by
7References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 1, 1988 |
| Grant date | May 1, 1990 |
| Priority date | — |
| Expiry date | Dec 1, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/32
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Removal and/or clean-up of polychlorinated biphenyls (PCBs) from contaminated surfaces with novel compositions of petroleum distillate and wetting agent mixtures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.