Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6322690 | Chemical method | Roy Hammer-Olsen, John C. Sokol, Johan Sundqvist | 2001-11-27 |
| 5523072 | Process of producing chlorine dioxide | Helena Falgen, Johan Landfors, Maria Norell, Roy Hammer-Olsen | 1996-06-04 |
| 5487881 | Process of producing chlorine dioxide | Helena Falgen, Johan Landfors, John C. Sokol | 1996-01-30 |
| 5478446 | Electrochemical process | Helena Falgen, Johan Landfors | 1995-12-26 |
| 5423959 | Process and apparatus for the production of sulphuric acid and alkali metal hydroxide | Birgitta Sundblad | 1995-06-13 |
| 4923776 | Toner particles for electrophotographic copying and processes for their preparation | Bertil Hedvall, Gunnar Mattson, Sten Porrvik | 1990-05-08 |
| 4794065 | Toner particles for electrophotographic copying and processes for their preparation | Bertil Hedvall, Gunnar Mattson, Sten Porrvik | 1988-12-27 |