Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4783568 | Xylene producing process having staged catalytic conversion of ethylbenzene | — | 1988-11-08 |
| 4783575 | Isomerization with cyclic hydrocarbon conversion | Laurence O. Stine | 1988-11-08 |
| 4697039 | Xylene producing process having staged catalytic conversion of ethylbenzene | — | 1987-09-29 |
| 4665273 | Isomerization of high sulfur content naphthas | James A. Johnson | 1987-05-12 |
| 4642406 | High severity process for xylene production employing a transalkylation zone for xylene isomerization | — | 1987-02-10 |
| 4484013 | Process for coproduction of isopropanol and tertiary butyl alcohol | — | 1984-11-20 |
| 4469903 | Process for the production of isopropyl alcohol | — | 1984-09-04 |
| 4393256 | Hydration of olefins | — | 1983-07-12 |
| 4384148 | Hydration of olefins | — | 1983-05-17 |
| 4374286 | Hydration of olefins | — | 1983-02-15 |
| 4339617 | Hydration of olefins in the presence of a corrosion inhibitor | Tamotsu Imai | 1982-07-13 |
| 4267397 | Hydration of olefinic compounds with dilute sulfuric acid and cobalt sulfate | Tamotsu Imai | 1981-05-12 |