Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4937389 | Separation of 3,3'4,4'- and 2,3,3',4'-tetramethyldiphenyl ether | John M. Weis, Mark W. Meszaros | 1990-06-26 |
| 4736062 | Process for preparing methacrylic acid | Gary P. Hagen | 1988-04-05 |
| 4501518 | Automatic pneumatic feeder | — | 1985-02-26 |
| 4464423 | Method for forming dual gloss coating | Michael H. LaBianca | 1984-08-07 |