Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5061343 | Recovery of NaOH and other values from spent liquors and bleach plant effluents | Steven Prahacs | 1991-10-29 |
| 4391671 | Method of producing lime in a rotary kiln | — | 1983-07-05 |