Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876408 | Alkylation process using a catalyst having an increased selectivity for monoalkylation | John W. Ward | 1989-10-24 |
| 4798816 | Process for increasing the selectivity of an alkylation catalyst for monoalkylation | John W. Ward | 1989-01-17 |