Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10385420 | Purification of copper concentrate by removal of arsenic and antimony with concomitant regeneration and recycle of lixiviant | Grenvil Marquis Dunn, Stuart Saich | 2019-08-20 |
| 9587290 | Hydrometallurgical method for the removal of radionuclides from radioactive copper concentrates | Grenvil Marquis Dunn, Stuart Saich | 2017-03-07 |
| 6241933 | Process for the treatment of cellulosic moulded bodies | Berndt Koll, Eduard Mulleder | 2001-06-05 |
| 5958178 | Visual lamination with thermoplastic adhesives | Hans-Josef Mueller | 1999-09-28 |
| 5795522 | Cellulose fibre | Heinrich Firgo, Sigrid Seidl, Berndt Koll, Eduard Mulleder | 1998-08-18 |
| 5637147 | Calendar for producing a sheet having wax-containing dispersion thereon | — | 1997-06-10 |
| 5429025 | Severing apparatus for sheet-laminating machines | Karl Hoch | 1995-07-04 |