Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7638636 | Phosphonium and imidazolium salts and methods of their preparation | Yuehui Zhou, Allan J. Robertson, Douglas Baumann | 2009-12-29 |
| 6563005 | Preparation of mono- and di-arylphosphines | William Andrew Rickleton | 2003-05-13 |
| 5550295 | Preparation of arylalkyl phosphines, phosphine oxides or phosphine sulfides | — | 1996-08-27 |