Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4452975 | Polymer modification system for vinylaromatic monomer production apparatus | James R. Butler, Mark Victor | 1984-06-05 |
| 4443643 | Reaction of benzene with ethylene oxide to produce styrene | Cleve H. Forward | 1984-04-17 |
| 4440650 | Process for enhancing recovery of oil from oil-bearing earth formations | James R. Butler | 1984-04-03 |
| 4421640 | Methods for separating hydrocarbons by liquid extraction | Jacques Grootjans, Luc Delorme | 1983-12-20 |
| 4417085 | Process for the production of vinyltoluene | Cleve H. Forward, James R. Butler | 1983-11-22 |
| 4396462 | Method for inhibiting the formation of polymerized vinylaromatic compounds during distillative purification of vinylaromatic monomer | William J. I. Bracke | 1983-08-02 |
| 4387260 | Alkylation of aromatic compounds with silicalite catalysts in the presence of steam | James R. Butler, Cleve H. Forward | 1983-06-07 |
| 4379736 | Method and apparatus for inhibiting the formation of polymerized vinylaromatic compounds during distillative purification of vinylaromatic monomer | Debra L. Kendall, Danny P. Wright | 1983-04-12 |
| 4341600 | Polymerization inhibitor for vinyltoluene | — | 1982-07-27 |
| 4306105 | Process for the production of polyisobutenes | Marshall W. Abernathy, Georges E. M. J. De Clippeleir, Raymond M. Cahen | 1981-12-15 |
| 4272344 | Polymerization inhibitor for vinyl aromatic compounds | — | 1981-06-09 |
| 4252615 | Polymerization inhibitor for vinyl aromatic compounds | — | 1981-02-24 |
| 4197198 | Treatment of nitrated phenol containing effluent streams | Deirdre G. Bradway, Philippe J. A. Camerman | 1980-04-08 |
| 4191614 | Distillation apparatus | Michael E. Johnson | 1980-03-04 |
| 4185019 | Process for preparing 4-phenyl-1,3-dioxane | Alan Chepregi | 1980-01-22 |
| 4182658 | Emergency polymerization inhibitor system for vinyl aromatic compounds | — | 1980-01-08 |