Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5536445 | Surfactant and dispersible or emulsifiable compositions employing surfactant | Frederick Campbell, John D. Schofield | 1996-07-16 |
| 5380465 | Emulsifiers for polymerization process | Stephen J. Butterworth, Jheeta K. Ravinder | 1995-01-10 |
| 5300255 | Surfactant products of poly(hydroxyalkanecarboxylic acid) phosphate esters | Frederick Campbell, John D. Schofield | 1994-04-05 |
| 4822433 | Emulsion explosive composition | John Cooper | 1989-04-18 |
| 4786681 | Polymerization process | Stephen J. Butterworth, Ravinder Jheeta | 1988-11-22 |
| 4776966 | Fluid compositions | — | 1988-10-11 |
| 4509950 | Emulsifying agents | — | 1985-04-09 |
| 4504275 | Emulsifying agents | — | 1985-03-12 |
| 4504276 | Emulsifying agents | — | 1985-03-12 |
| 4256605 | Surfactant composition, and concentrate and emulsion including same | — | 1981-03-17 |
| 4216114 | Demulsification process | — | 1980-08-05 |
| 4203877 | Block or graft copolymers and their use as surfactants | — | 1980-05-20 |