Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4396545 | Bis(arylazo)diimides pigments | Robert W. Hill, James E. Owen | 1983-08-02 |
| 4313887 | Bis-quinizarin compounds | Robert W. Hill, J. Gustav Schulz | 1982-02-02 |
| 4218555 | Process for preparation of acetylene end-capped polyimide oligomers | Patricia A. Antonoplos, William J. Heilman | 1980-08-19 |