Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820794 | Process for preparing polyketone in the presence of perfluoroalkyl sulfonic acid and oxide of phosphorus | Winston J. Jackson, Jr. | 1989-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820794 | Process for preparing polyketone in the presence of perfluoroalkyl sulfonic acid and oxide of phosphorus | Winston J. Jackson, Jr. | 1989-04-11 |