Method for cleaning deposits from a tank using a surfactant composition
US6000412A · kind A · utility
19Cited by
22References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 1998 |
| Grant date | Dec 14, 1999 |
| Priority date | — |
| Expiry date | Feb 13, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for removing deposits of heavy hydrocarbonaceous materials and finely divided inorganic particulate matter from a tank using a composition containing an alkyl polyglycoside, an ethoxylated alcohol, a caustic and an alkyl alcohol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.