Issued Patents All Time
Showing 126–150 of 153 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156816 | System for purifying styrene monomer feedstock using ethylbenzene dehydrogenation waste gas | Kevin Kelly | 1992-10-20 |
| 5073653 | Aromatic alkylation processes | — | 1991-12-17 |
| 4956511 | Toluene disproportionation process | J. Randall Curtis | 1990-09-11 |
| 4922053 | Process for ethylbenzene production | James N. Waguespack | 1990-05-01 |
| 4917789 | Catalytic dewaxing process | William P. Licht | 1990-04-17 |
| 4774379 | Aromatic alkylation process | Kevin Menard, J. Randall Curtis | 1988-09-27 |
| 4723050 | Xylene isomerization process | Kevin Menard | 1988-02-02 |
| 4723051 | Xylene isomerization process | Kevin Menard | 1988-02-02 |
| 4665258 | Toluene disproportionation process | Kevin Menard | 1987-05-12 |
| 4623430 | Polymerization inhibitor for vinyl aromatic compounds | Kevin Menard, James M. Watson | 1986-11-18 |
| 4623431 | Polymerization inhibitor for vinyl aromatic compounds | Debra L. Kendall, Kevin Menard | 1986-11-18 |
| 4587371 | Hydrocarbon conversion of sulfur contaminated feed stock | Cleve H. Forward, William P. Licht | 1986-05-06 |
| 4579989 | Conversion of olefins to higher molecular weight hydrocarbons with silicalite catalyst | — | 1986-04-01 |
| 4563517 | Polymer modification system for vinylaromatic monomer production apparatus | James M. Watson, Mark Victor | 1986-01-07 |
| 4538017 | Conversion of paraffins to aromatics | James M. Watson | 1985-08-27 |
| 4520220 | Alkylation of aromatics employing silicalite catalysts | James M. Watson, Cleve H. Forward | 1985-05-28 |
| 4490570 | Method for para selective alkylation employing silicalite catalysts | Cleve H. Forward, James M. Watson, Gary D. Branum | 1984-12-25 |
| 4489214 | Production of ortho-suppressed dialkyl benzenes | Debra L. Kendall, Cleve H. Forward, James M. Watson, Gary D. Branum | 1984-12-18 |
| 4468343 | Polymerization co-inhibitors for vinyl aromatic compounds | James M. Watson, Debra L. Kendall, Karen A. Mikkelson | 1984-08-28 |
| 4466904 | Polymerization co-inhibitors for vinyl aromatic compounds | James M. Watson, Karen A. Mikkelson | 1984-08-21 |
| 4466905 | Polymerization inhibition process for vinyl aromatic compounds | James M. Watson, Debra L. Kendall, Karen A. Mikkelson | 1984-08-21 |
| 4452975 | Polymer modification system for vinylaromatic monomer production apparatus | James M. Watson, Mark Victor | 1984-06-05 |
| 4440650 | Process for enhancing recovery of oil from oil-bearing earth formations | James M. Watson | 1984-04-03 |
| 4417085 | Process for the production of vinyltoluene | James M. Watson, Cleve H. Forward | 1983-11-22 |
| 4400570 | Ethylbenzene production employing tea-silicate catalysts | Cleve H. Forward, Thomas W. Robison | 1983-08-23 |