Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10464854 | Process for preparing a fertiliser | Cyrille Paul Allais, Rafael Alberto Garcia Martinez, Charles James Ingoldsby, Jason Trevor O'Brien, Carlos Moreira Tomaz | 2019-11-05 |
| 10221106 | Process for preparing a urea-sulphur fertiliser | Cyrille Paul Allais, Rafael Alberto Garcia Martinez, Charles James Ingoldsby, Carlos Moreira Tomaz, Jason Trevor O'Brien | 2019-03-05 |
| 10202311 | Urea fertilizer having improved hardness | Rafael Alberto Garcia Martinez, Cyrille Paul Allais, Charles James Ingoldsby, Carlos Moreira Tomaz | 2019-02-12 |
| 9598322 | Process for preparing an emulsion of elemental sulphur particles | Cyrille Paul Allais, Rafael Alberto Garcia Martinez | 2017-03-21 |
| 8679219 | Process for preparing an elemental sulphur-containing fertilizer | Rafael Alberto Garcia Martinez | 2014-03-25 |
| 5945000 | Methods of purifying phosphoric acid | Howard J. Skidmore | 1999-08-31 |
| 5312610 | Defluorination of phosphoric acid | — | 1994-05-17 |
| 5230876 | Removal of vanadium from phosphoric acid | David K. Johnson, Gene Kawakami, Gary L. Long | 1993-07-27 |