Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6767620 | Pigmented porous material | Patrick Verhoustraeten, Henri Dubas, Zhimin Hao, Patrice Bujard | 2004-07-27 |
| 6486332 | Fluorescent pigments | Zhimin Hao, Abul Iqbal | 2002-11-26 |
| 6359122 | Pyrocarbonic acid diesters and the preparation and use thereof | Veronique Hall-Goulle | 2002-03-19 |
| 6271401 | Fluorescent anthraquinoid pigments | Zhimin Hao, Abul Iqbal | 2001-08-07 |
| 6261359 | Fluorescent pigments | Zhimin Hao, Abul Iqbal | 2001-07-17 |
| 6222047 | Pyrocarbonic acid diesters and the preparation and use thereof | Veronique Hall-Goulle | 2001-04-24 |
| 6180315 | Compositions for making structured color images and application thereof | Ulrich Schadeli, Abul Iqbal, Zhimin Hao, Henri Dubas | 2001-01-30 |
| 6127549 | Fluorescent indigo pigments | Zhimin Hao, Abul Iqbal | 2000-10-03 |
| 6040108 | Compositions for making structured color images and application thereof | Ulrich Schadeli, Abul Iqbal, Zhimin Hao, Henri Dubas | 2000-03-21 |
| 6013777 | Process for the preparation of fluorescent pigments | Zhimin Hao, Abul Iqbal | 2000-01-11 |
| 6013776 | Fluorescent azo pigments | Zhimin Hao, Abul Iqbal | 2000-01-11 |
| 5886160 | Fluorescent pigments | Zhimin Hao, Abul Iqbal | 1999-03-23 |
| 5879855 | Compositions for making structured color images and application thereof | Ulrich Schadeli, Abul Iqbal, Zhimin Hao | 1999-03-09 |
| 5874580 | Fluorescent perylene pigments | Zhimin Hao, Abul Iqbal | 1999-02-23 |
| 5840449 | Structured pigment coating and its preparation and use | Manfred Hofmann | 1998-11-24 |
| 5830267 | Coloration of high molecular weight organic materials in the mass with soluble phthalocyanine precursors | Heinz Wolleb | 1998-11-03 |
| 5811543 | Fluorescent carbamate-modified phthalocyanine pigments | Zhimin Hao, Abul Iqbal | 1998-09-22 |
| 5780627 | Fluorescent dioxazine pigments | Zhimin Hao, Abul Iqbal | 1998-07-14 |
| 5755875 | Fluorescent chromophores containing cyanimino groups | Zhimin Hao, Abul Iqbal | 1998-05-26 |
| 5750758 | Pyrocarbonic acid diesters and the preparation and use thereof | Veronique Hall-Goulle | 1998-05-12 |
| 5725651 | Mono-N-alkyl-quinacridone pigments | Jin Mizuguchi | 1998-03-10 |
| 5723626 | Fluorescent isoindoline pigments | Zhimin Hao, Abul Iqbal | 1998-03-03 |
| 5616725 | Pyrrolo[3,4-C]pyrrole synthesis | Zhimin Hao, Abul Iqbal | 1997-04-01 |
| 5561232 | Fluorescent quinacridone pigments | Zhimin Hao, Abul Iqbal | 1996-10-01 |
| 5527922 | Pyrrolo[3,4-c]pyrroles containing cyanimino groups | Zhimin Hao, Abul Iqbal | 1996-06-18 |