Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822871 | Polymerization process | — | 1989-04-18 |
| 4536537 | Rubberless high impact polypropylene | Richard O. Whitehead, Thair L. Higgins | 1985-08-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822871 | Polymerization process | — | 1989-04-18 |
| 4536537 | Rubberless high impact polypropylene | Richard O. Whitehead, Thair L. Higgins | 1985-08-20 |