Dispersant compositions for treating oil slicks
US4830759A · kind A · utility
18Cited by
18References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 1987 |
| Grant date | May 16, 1989 |
| Priority date | — |
| Expiry date | Jul 24, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S516/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compositions for dispersing oil slicks on water comprising a solution of surface-active agents in a mixture of water and hydrocarbon solvent. The surface-active agents are a mixture of emulsifying agents and a lower amount of wetting agent. The mixture of emulsifying agents comprising two blends, A and B, of sorbitan derivatives, blend A having an HLB of about 8.5 to 9.5 and blend B having an HLB of about 8 to 10 wherein the weight ratio of blend A to blend B is between about 0.5:1 and 4:1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.