Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861856 | Process for the preparation of polyketone and poly(ketone-sulfone) polymers | Winston J. Jackson, Jr. | 1989-08-29 |
| 4839459 | Process for the preparation of poly(ether-ketone) polymers | Winston J. Jackson, Jr. | 1989-06-13 |