Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876394 | Process for the production of methyl tert.-alkyl ethers | Robert E. Trubac | 1989-10-24 |
| 4830733 | Integrated process for the removal of sulfur compounds from fluid streams | Ervine S. Holmes | 1989-05-16 |
| 4830734 | Integrated process for the removal of sulfur compounds from fluid streams | Ervine S. Holmes, Jenny L. Pai | 1989-05-16 |