Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7901466 | Method for preparing a suspension containing phosphate | Eija Saarikko, Juhani Poukari, Paula Ylinen | 2011-03-08 |
| 6821311 | Method for treating fertilizer process solutions | Janne Karonen | 2004-11-23 |
| 6814949 | Process for production of phosphoric acid by crystallization of phosphoric acid hemihydrate | Jarmo Aaltonen, Sakari Riihimäki, Paula Ylinen | 2004-11-09 |
| 5482529 | Fertilizing preparation improving the extraction of phosphorus for plants | Thomas Ahlnäs, Stephan Vermeulen | 1996-01-09 |
| 4775463 | Process for the flotation of phosphate mineral and an agent to be used in the flotation | Aija- R. Halinen | 1988-10-04 |
| 4755285 | Process for the froth-flotation of a phosphate mineral, and a reagent intended for use in the process | Esko T. Kari, Jarmo Aaltonen | 1988-07-05 |