Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7998342 | Separation of tailings that include asphaltenes | Julian Kift | 2011-08-16 |
| 7988847 | Nozzle reactor and method of use | Gordon R. Wicker | 2011-08-02 |
| 7985333 | System and method of separating bitumen from tar sands | — | 2011-07-26 |
| 7927565 | Nozzle reactor and method of use | Jose Armando Salazar | 2011-04-19 |
| 7909989 | Method for obtaining bitumen from tar sands | Raymond L. Morley, James S. Hanson | 2011-03-22 |
| 7824453 | Biodiesel production and use in oil sands processing | — | 2010-11-02 |
| 7811444 | Oxidation of asphaltenes | Raymond L. Morley | 2010-10-12 |
| 7618597 | Nozzle reactor and method of use | Gordon R. Wicker | 2009-11-17 |
| 7585407 | Processing asphaltene-containing tailings | Julian Kift, Raymond L. Morley | 2009-09-08 |
| 6548039 | Processing aqueous titanium solutions to titanium dioxide pigment | Timothy Spitler, Bruce J. Sabacky, Andrew Vince, Jan Prochazka | 2003-04-15 |
| 6440383 | Processing aqueous titanium chloride solutions to ultrafine titanium dioxide | Timothy Spitler, Bruce J. Sabacky, Jan Prochazka | 2002-08-27 |
| 6395061 | Process for organic acid bioleaching of ore | Houyuan Liu | 2002-05-28 |
| 6387239 | Recovery of metals from ore | Julia R. Budden, Manuel R. Lastra | 2002-05-14 |
| 6375923 | Processing titaniferous ore to titanium dioxide pigment | Bruce J. Sabacky, Dirk Verhulst, Paul George West-Sells, Timothy Spitler, Andrew Vince +2 more | 2002-04-23 |
| 6350420 | Resin-in-pulp method for recovery of nickel and cobalt | David Neudorf, Erik M. Weenink | 2002-02-26 |
| 6340423 | Hydrometallurgical processing of lead materials using fluotitanate | — | 2002-01-22 |
| 6312500 | Heap leaching of nickel containing ore | Houyuan Liu, Michael J. Davis | 2001-11-06 |
| 6074558 | Biochemical treatment of bitumen froth tailings | Julia R. Budden, Bernardus Josephus Paulus Maria Huls | 2000-06-13 |
| 5968349 | Extraction of bitumen from bitumen froth and biotreatment of bitumen froth tailings generated from tar sands | Julia R. Budden, Merijn Picavet | 1999-10-19 |
| 5626648 | Recovery of nickel from bioleach solution | Matt Omofoma | 1997-05-06 |
| 5571308 | Method for recovering nickel from high magnesium-containing Ni-Fe-Mg lateritic ore | Manuel R. Lastra, Houyuan Liu | 1996-11-05 |
| 5441712 | Hydrometallurgical process for producing zinc oxide | Teun Bakker, Manuel R. Lastra | 1995-08-15 |
| 5328035 | Lithium metatungstate | Houyuan Liu, Nicholas L. Labao, Purusotam L. Shrestha | 1994-07-12 |
| 5292490 | Recovery platinum group metals from oxides ores | Houyuan Liu, Saskia Duyvesteyn | 1994-03-08 |
| 5236491 | Boron recovery from geothermal brines | Manuel R. Lastra, Houyuan Liu | 1993-08-17 |