|
|
|
|
|
Legal status
Patent not validated
| (51) | INT.CL. | C09K 8/584 | |
| C09K 8/594 | |||
| C08G 65/26 | |||
| E21B 43/16 |
| (11) | Number of the document | 2758485 |
| (13) | Kind of document | T |
| (96) | European patent application number | 12769568.2 |
| Date of filing the European patent application | 2012-09-20 | |
| (97) | Date of publication of the European application | 2014-07-30 |
| (45) | Date of publication and mention of the grant of the patent | 2016-03-02 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/US2012/056279 |
| Date | 2012-09-20 |
| (87) | Number | WO 2013/043838 |
| Date | 2013-03-28 |
| (30) | Number | Date | Country code |
| 201161538477 P | 2011-09-23 | US |
| (72) |
ABBAS, Sayeed, US
SANDERS, Aaron W., US
CHAKRABORTY, Debashis, US
|
| (73) |
Dow Global Technologies LLC,
2040 Dow Center, Midland, MI 48674,
US
|
| (54) | USE OF CARBON DIOXIDE SOLUBLE NONIONIC SURFACTANTS FOR ENHANCED CRUDE OIL RECOVERY |
| USE OF CARBON DIOXIDE SOLUBLE NONIONIC SURFACTANTS FOR ENHANCED CRUDE OIL RECOVERY |