Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6387239 | Recovery of metals from ore | Willem P. C. Duyvesteyn, Julia R. Budden | 2002-05-14 |
| 5571308 | Method for recovering nickel from high magnesium-containing Ni-Fe-Mg lateritic ore | Willem P. C. Duyvesteyn, Houyuan Liu | 1996-11-05 |
| 5441712 | Hydrometallurgical process for producing zinc oxide | Willem P. C. Duyvesteyn, Teun Bakker | 1995-08-15 |
| 5236491 | Boron recovery from geothermal brines | Willem P. C. Duyvesteyn, Houyuan Liu | 1993-08-17 |