Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5863459 | Fluorescent yellow azo pigments | Paul A. Merchak, Russell Schwartz, Manuel Z. Gregorio | 1999-01-26 |
| 5145997 | Poly (alkylene oxide) substituted acetoacetanilides | Russell Schwartz, Terence R. Chamberlain | 1992-09-08 |
| 5062894 | Poly (alkylene oxide)-modified diarylide pigment composition | Russell Schwartz, Terence R. Chamberlain | 1991-11-05 |
| 4946509 | Diarylide pigment compositions | Russell Schwartz, Manuel Z. Gregorio | 1990-08-07 |