Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5789353 | Dispersants | — | 1998-08-04 |
| 5587432 | Dispersants for lubricating oil | — | 1996-12-24 |
| 5505868 | Modified dispersant compositions | Helen T. Ryan, Mark Rees | 1996-04-09 |
| 5210261 | Production of phosphorothioate salts | Barrie D. James | 1993-05-11 |