Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5518539 | Process for the preparation of synergistic pigment mixtures | Zhimin Hao, Abul Igbal, Bernhard Medinger | 1996-05-21 |
| 5484943 | Pyrrolo[3,4-c]pyrroles | Zhimin Hao, Abul Iqbal | 1996-01-16 |
| 5464697 | Substituted tetracyanoquinodimethanes, processes for their preparation and their use | — | 1995-11-07 |
| 5426232 | Substituted tetracyanoquinodimethanes, processes for their preparation and their use | — | 1995-06-20 |
| 5349062 | Substituted naphtho[1,8-de:5,4-d'e']bis[1,3]thiazines, process for their preparation and the use thereof | — | 1994-09-20 |
| 5281730 | Substituted tetracyanoquinodimethanes, processes for their preparation and their use | — | 1994-01-25 |
| 5084567 | Substituted tetrachalcogenofulvalenes and a process for their preparation | Carl W. Mayer | 1992-01-28 |