Surfactant-assisted soil remediation
US6090896A · kind A · utility
6Cited by
13References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 8, 1999 |
| Grant date | Jul 18, 2000 |
| Priority date | — |
| Expiry date | Apr 8, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/526
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A surfactant which is the reaction product of a hydrocarbyl-substituted succinic anhydride or a reactive equivalent thereof with at least one water-dispersible amine-terminated poly(oxyalkylene), is effective for use in soil remediation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.