Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7193067 | Mono- and bis-hydrazone pigments | Terence R. Chamberlain, Norman W. Smith | 2007-03-20 |
| 7148335 | Mono- and bis-hydrazone pigments | Terence R. Chamberlain, Norman W. Smith | 2006-12-12 |
| 7132518 | Mono- and bis-hydrazone pigments | Terence R. Chamberlain, Norman W. Smith | 2006-11-07 |
| 7105646 | Mono- and bis-hydrazone pigments | Terence R. Chamberlain, Norman W. Smith | 2006-09-12 |
| 6997983 | Perylene pigment composition and process therefor | Terence R. Chamberlain, Michael John Lemmons | 2006-02-14 |
| 6965019 | Mono-and bis-hydrazone pigments | Terence R. Chamberlain, Norman W. Smith | 2005-11-15 |
| 6372910 | Process for the manufacture of 1,8-naphthalimide | Terrence R. Chamberlain | 2002-04-16 |
| 5075496 | Manufacture of 2,6-hydroxynaphthoic acid | Joseph Pugach | 1991-12-24 |