Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9864991 | Method and apparatus for secure transaction management | Garland B. Beasley, Charles Jarrett, Alan Anderson, Jay Leonard Jacobson, Brian Bates | 2018-01-09 |
| D742120 | Foldable toothbrush | — | 2015-11-03 |
| 6277300 | Composition and use of composition for the extraction of metal values | John Lindley Leng | 2001-08-21 |
| 6113804 | Composition and use of the composition for the extraction of metals from aqueous solution | John Lindley Leng | 2000-09-05 |
| 5728853 | Chemical process | John Campbell, Peter M. Quan | 1998-03-17 |
| 5557003 | Alkylphenoxy substituted bis (thio phosphoryl) amines | John Campbell, Peter M. Quan | 1996-09-17 |
| 5502250 | Bis(dialkylthiophosphoryl)amines as metal extractants | John Campbell, Peter M. Quan | 1996-03-26 |
| 5478539 | Process for the recovery of metals | — | 1995-12-26 |
| 5433855 | Process for extracting metal values from aqueous solution | John Campbell, Peter M. Quan | 1995-07-18 |
| 5393431 | Process for extracting metals | John Campbell, Peter M. Quan | 1995-02-28 |
| 5281336 | Composition and use of the composition for the extraction of metals from aqueous solution | John Lindley Leng | 1994-01-25 |
| 5258524 | Bis-bibenzimidazole composition | Peter M. Quan, Derek Thorp | 1993-11-02 |
| 5213777 | Process for the recovery of metals | — | 1993-05-25 |
| 5176843 | Composition and use of the composition for the extraction of metals from aqueous solution | John Lindley Leng | 1993-01-05 |
| 4978788 | Composition and use of the composition for the extraction of metals from aqueous solution | John Lindley Leng | 1990-12-18 |
| 4961856 | Solvent extraction process | Arthur Ernest Burgess | 1990-10-09 |
| 4923686 | Process for the extraction of metal values | Raymond R. Price, Peter M. Quan, David Stewart | 1990-05-08 |
| 4775763 | Metal extractants | Raymond R. Price, Peter M. Quan, David Stewart | 1988-10-04 |
| 4683310 | Pyridine dicarboxylic ester metal extractants | Raymond R. Price, Peter M. Quan, David Stewart | 1987-07-28 |
| 4525330 | Process for the extraction of metal values and novel metal extractants | Raymond R. Price, Peter M. Quan, David Stewart | 1985-06-25 |
| 4336231 | Copper extraction with either salicylaldoximes or benzophenone oximes and alkylphenols | — | 1982-06-22 |
| 4231888 | Composition used for extracting copper from aqueous copper salts | — | 1980-11-04 |