Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358600 | Process for the manufacture of maleic anhydride having improved age molten color | George E. Kuhlmann | 1982-11-09 |
| 4342699 | Process for production of maleic anhydride | David Aaron Palmer | 1982-08-03 |