Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886927 | Process for isomerization of alkylaromatics | R. Joe Lawson, Susan L. Lambert | 1989-12-12 |
| 4874731 | Catalyst for the isomerization of aromatics | R. Joe Lawson | 1989-10-17 |
| 4873387 | Process for the isomerization of aromatics | R. Joe Lawson | 1989-10-10 |
| 4861740 | Magnesium-exchanged zeolitic catalyst for isomerization of alkylaromatics | R. Joe Lawson | 1989-08-29 |
| 4795550 | Removal of trace olefins from aromatic hydrocarbons | Paul T. Barger | 1989-01-03 |