Tunable surfactants for oil recovery applications
US7871963B2 · kind B2 · utility
3Cited by
12References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2007 |
| Grant date | Jan 18, 2011 |
| Priority date | — |
| Expiry date | Sep 6, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249953
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The systems and methods described herein provide for modified lignins and other compositions that may be useful as surfactants. These compositions have particular utility for energy-related applications. In embodiments, they may be useful for enhanced oil recovery. In embodiments, they may be useful for extracting bitumen from oil sands. In embodiments, they may be useful for environmental remediation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.