Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886928 | Hydrocarbon dehydrogenation process | Tamotsu Imai | 1989-12-12 |
| 4877919 | Butane isomerization in the presence of C.sub.5 and C.sub.6 hydrocarbons | — | 1989-10-31 |
| 4834866 | Process for converting normal and cyclic paraffins | — | 1989-05-30 |
| 4804803 | Isomerization with once-through hydrogen | Lynn H. Rice, Laurence O. Stine | 1989-02-14 |
| 4795545 | Process for pretreatment of light hydrocarbons to remove sulfur, water, and oxygen-containing compounds | — | 1989-01-03 |