Low interfacial tension surfactants for petroleum applications
US8389456B2 · kind B2 · utility
1Cited by
14References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2009 |
| Grant date | Mar 5, 2013 |
| Priority date | — |
| Expiry date | Aug 22, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2305/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a class of novel surfactants that have utility in the recovery and/or extraction of oil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.