Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5071967 | Disazo compounds containing long-chain alkyl ester radicals or alkylamide radicals | Stefan Hari | 1991-12-10 |
| 5013455 | Process for enhancing the filterability of organic pigments | Marius Leimer, Fridolin Babler, Heinz Neuschutz | 1991-05-07 |
| 4997920 | Monoazo compounds containing long-chain alkyl radicals | Stefan Hari, Olof Wallquist | 1991-03-05 |
| 4978768 | Process for the preparation of alkyl esters of tetrachloro-2-cyano-benzoic acid | Gonzague Overney, Peter Dario | 1990-12-18 |
| 4970310 | Isoindoline pigment compounds | — | 1990-11-13 |
| 4966930 | Process for coloring high molecular weight organic material with pigments based on iminoisoindoline | — | 1990-10-30 |
| 4892945 | Isoindoline pigments containing at least one triazolopyrimidone radical | Max Jost, Kurt Burdeska | 1990-01-09 |
| 4892899 | Novel compositions based on tetrachloroisoindolinone pigments | Edward E. Jaffe, Bernhard Medinger | 1990-01-09 |
| 4865650 | Novel compositions based on tetrachloroisoindolinone pigments | Bernhard Medinger, Philippe Bugnon | 1989-09-12 |
| 4764217 | Novel compositions based on isoindoline pigments | Bernhard Medinger, Philippe Bugnon | 1988-08-16 |
| 4427752 | Use of isoindoline pigments for photoelectrophoretic imaging | Werner Sieber | 1984-01-24 |
| 4400507 | Isoindoline pigments | — | 1983-08-23 |
| 4384057 | Composition containing a condensation product of 1,3-diiminoisoindoline and cyanoacetic anilide used to pigment an organic lacquer resin | — | 1983-05-17 |
| 4262120 | Isoindoline pigments | — | 1981-04-14 |
| 4259488 | Bis-isoindoline pigments | — | 1981-03-31 |
| 4237286 | Metal complexes of azomethines | Francois L'Eplattenier, Andre Pugin | 1980-12-02 |
| 4237292 | Metal complexes of azomethines | Francois L'Eplattenier, Andre Pugin | 1980-12-02 |
| 4237293 | Metal complexes of azomethines | Francois L'Eplattenier, Andre Pugin | 1980-12-02 |