| 8821754 |
Additive for preserving the fluidity of fluids containing gas hydrates |
Hans Oskarsson |
2014-09-02 |
| 8653009 |
Method for preventing the formation of calcium carboxylate deposits in the dewatering process for crude oil/water streams |
Ingemar Uneback |
2014-02-18 |
| 8375971 |
Use of a zwitterionic surfactant together with an anionic ether-containing surfactant as a drag-reducing agent |
Hans Oskarsson |
2013-02-19 |
| 7987866 |
Zwitterionic surfacant together with an anionic ether-containing surfactant as a drag-reducing agent |
Hans Oskarsson |
2011-08-02 |
| 5979479 |
Use of alkoxylated alkanolamide together with alkoxylated alcohol as a friction-reducing agent |
Ian Harwigsson |
1999-11-09 |
| 5911236 |
Alkoxylated alkanolamide together with an ionic surfactant as friction-reducing agent |
Ian Harwigsson, Carina Brink |
1999-06-15 |
| 5902784 |
Use of a betaine surfactant together with an anionic surfactant as a drag-reducing agent |
Ian Harwigsson |
1999-05-11 |
| 5700766 |
Use of an amphoteric surfactant as a friction-reducing agent |
Ian Harwigsson |
1997-12-23 |
| 5339855 |
Use of alkoxylated alkanolamide as friction-reducing agent |
Ian Harwigsson |
1994-08-23 |
| 5183476 |
Ethanol fuel and its use as a diesel fuel |
Göran Carlsson |
1993-02-02 |
| 4876122 |
Package capable of preventing foam formation, method of manufacturing such a package, and antifoaming agent |
— |
1989-10-24 |
| 4830739 |
Process and composition for the froth flotation beneficiation of iron minerals from iron ores |
Marie Ernstsson, Bo Idstrom |
1989-05-16 |
| 4828687 |
Froth flotation process and collector therefor |
Anders Klingberg |
1989-05-09 |
| 4795578 |
Process and composition for the froth flotation beneficiation of iron minerals from iron ores |
Marie Ernstsson, Bo Idstrom |
1989-01-03 |
| 4732667 |
Process and composition for the froth flotation beneficiation of iron minerals from iron ores |
Marie Ernstsson, Bo Idstrom |
1988-03-22 |