Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859745 | Stratified fibrous fluoropolymer compositions and process for forming such fluoropolymers | William P. Carl, Robert E. Aikman, Jr. | 1989-08-22 |
| 4808440 | Process for the surface treatment of polymer articles to provide for better adherence of paints | — | 1989-02-28 |
| 4800186 | Regeneration of fluorocarbonsulfonic acid catalysts | — | 1989-01-24 |