Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4906760 | Purification of anhydrides | Werner H. Mueller | 1990-03-06 |
| 4877653 | Process for insolublizing solvent soluble polyimide compositions | Rohitkumar H. Vora, Dinesh N. Khanna | 1989-10-31 |