Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340910 | Process for preparing 1-cyano-3H-dibenz[f,ij]isoquinoline-2,7-diones and their use as toners for polyesters | Kim S. Chamberlin, Wayne P. Pruett, Max A. Weaver, Samuel D. Hilbert, Donna Rice Quillen | 1994-08-23 |
| 5252699 | Process for preparing 1-cyano-3H-dibenz[f,ij] isoquinoline-2,7-diones and their use as toners for polyesters | Kim S. Chamberlin, Wayne P. Pruett, Max A. Weaver, Samuel D. Hilbert, Donna Rice Quillen | 1993-10-12 |