Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1007465 | Speaker with camera | Felix Binder | 2023-12-12 |
| 10543493 | Synthesis of new anionic surfactants and their use as collectors in froth flotation of non-sulphidic ores | Natalija Smolko-Schvarzmayr | 2020-01-28 |
| 10376901 | Use of branched alcohols and alkoxylates thereof as secondary collectors | Natalija Smolko-Schvarzmayr, Elisabeth Henriksson, Henrik Nordberg | 2019-08-13 |
| 10100146 | Polyester polyquaternary ammonium compound collectors for reverse froth flotation of silicates from nonsulfidic ores | Natalija Smolko-Schvarzmayr | 2018-10-16 |
| 8936159 | Use of quaternary ammonium compounds as collectors in froth flotation processes | Natalija Gorochovceva | 2015-01-20 |
| 8492572 | Liquid fatty amine carboxylate salt composition | Magnus Svensson | 2013-07-23 |
| 8353405 | Reverse froth flotation of calcite ore | Elisabeth Henriksson | 2013-01-15 |
| 7954643 | Use of a derivative of aspartic acid as a collector in froth flotation processes | Ludwig Eisenhuth, Elisabeth Henriksson | 2011-06-07 |
| 7311206 | Quaternary ammonium compounds for froth flotation of silicates from an iron ore | Magnus Svensson, Jan Olof Gustafsson | 2007-12-25 |
| 6076682 | Process for froth flotation of silicate-containing iron ore | Jan Olof Gustafsson | 2000-06-20 |
| 5720873 | Method of floating calcium carbonate ore and flotation reagent therefor | Lisbeth Olsson | 1998-02-24 |
| 4828687 | Froth flotation process and collector therefor | Martin Hellsten | 1989-05-09 |
| 4430238 | Esterified dicarboxylic acid and its use | Karl M. E. Hellsten | 1984-02-07 |
| 4358368 | Process for the froth flotation of calcium phosphate-containing minerals and flotation agents therefor | Karl M. E. Hellsten | 1982-11-09 |