Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6494949 | Process for the preparation of beta-phase quinacridone | Edward Sung, Kathleen Marie Kozak, George H. Robertson | 2002-12-17 |
| 6476222 | Preparation of heat stable pigment violet 23 | Norman W. Smith, Barbara N. Berg, George McLaren, Russell Schwartz | 2002-11-05 |
| 6388093 | Syntheses for preparing 1,4-diketopyrrolo [3,4-c]pyrroles | Craig Thornley | 2002-05-14 |
| 6372910 | Process for the manufacture of 1,8-naphthalimide | Donald T. DeRussy | 2002-04-16 |