Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4466861 | Process for the inhibition of the formation of deposits in cellulose pulping and cellulose pulp treating processes | Rolf Nilsson | 1984-08-21 |
| 4311666 | Apparatus for controlling the degree of causticization in the preparation of white liquor from the chemicals recovered from black liquor | Erik Berglund | 1982-01-19 |
| 4236960 | Process for controlling the degree of causticization in the preparation of white liquid from the chemicals recovered from black liquor | Erik Berglund | 1980-12-02 |
| 4218284 | Process for the inhibition of the formation of deposits in cellulose pulping and cellulose pulp treating processes | Rolf Nilsson | 1980-08-19 |
| 4192708 | Method for controlling the addition of active chemical for delignifying and/or bleaching cellulose pulp suspended in a liquor containing chemicals reactive with the delignifying and/or bleaching chemical | John R. Bergstrom, Astrid T. P. Dalborg | 1980-03-11 |