Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4839405 | Ultraviolet stabilizer compositions, stabilized organic materials, and methods | David J. Speelman | 1989-06-13 |
| 4721531 | Pigment dispersions exhibiting improved compatibility in polyurethane systems | George F. Wildeman | 1988-01-26 |