Process for the extraction of crude oil
US5630474A · kind A · utility
6Cited by
10References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1995 |
| Grant date | May 20, 1997 |
| Priority date | — |
| Expiry date | Sep 25, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/32
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
In the process of the present invention, crude oil is extracted from crude oil-containing deposits with the aid of an emulsion containing the components (A) 100 parts by weight of organopolysiloxane (B) 10 to 100 parts by weight of surfactant and (C) water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.