Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6239198 | Method for preparing alkaline solutions containing aromatic polymers | Alfred Abacherli | 2001-05-29 |
| 5595628 | Production of pulp by the soda-anthraquinone process (SAP) with recovery of the cooking chemicals | Otto W. Gordon, Eric Plattner | 1997-01-21 |