Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922172 | Combustion of black liquid and processing of lime sludge in a recovery boiler | Bertil Pettersson, Ingemar Eriksson | 1999-07-13 |
| 5667633 | Method of producing white liquor streams of high and low sulphidity | Bertil Pettersson, Ingemar Eriksson | 1997-09-16 |