Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5713999 | Incorporation of pigment derivatives in quinacridone processes | Ibraheem T. Badejo, Michael J. Greene, Daphne J. Rice | 1998-02-03 |
| 5711800 | Organic pigment compositions | Ibraheem T. Badejo, John Britanak, Daphne J. Rice, Niran Nugara | 1998-01-27 |
| 5496405 | Process for the preparation of organic pigments | Guenter Franke, Michael J. Greene | 1996-03-05 |
| 5491235 | Process for the preparation of organic pigments | Dirk Pfuetzenreuter, Guenter Franke, Michael J. Greene | 1996-02-13 |