|
|
|
|
|
Teisinis statusas
Patentas neįsigaliojo (pagal EPK)
| (51) | INT.CL. | C09K 8/588 | |
| E21B 43/22 | |||
| C09K 8/584 |
| (11) | Patento numeris | 3174951 |
| (13) | Dokumento rūšis | T |
| (96) | Europos patento paraiškos numeris | 15827301.1 |
| Europos patento paraiškos padavimo data | 2015-07-29 | |
| (97) | Europos patento paraiškos paskelbimo data | 2017-06-07 |
| (45) | Paskelbimo apie Europos patento išdavimą data | 2020-10-28 |
| (46) | Apibrėžties vertimo paskelbimo data |
| (86) | Numeris | PCT/US2015/042715 |
| Data | 2015-07-29 |
| (87) | Numeris | WO 2016/019052 |
| Data | 2016-02-04 |
| (30) | Numeris | Data | Šalis |
| 201414445599 | 2014-07-29 | US |
| (72) |
LI, Xiaojin Harry, US
REED, Peter E., US
ANDREWS, William J., US
|
| (73) |
Ecolab USA Inc.,
1 Ecolab Place, St. Paul, MN 55102,
US
|
| (54) | METHOD FOR ENHANCED RECOVERY OF OIL, USING A POLYMER EMULSION |
| METHOD FOR ENHANCED RECOVERY OF OIL, USING A POLYMER EMULSION |