Issued Patents All Time
Showing 26–46 of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4783195 | Process for the preparation of a concentrated aqueous reactive dyestuff solution: triphenyl-dioxazine dyes, lithium salts | Werner Steinbeck | 1988-11-08 |
| 4773914 | Process for trichromatic dyeing polyamide fibres | Hans Otten | 1988-09-27 |
| 4676803 | Reactive azo dyestuffs, free from anionic groups and containing a basic group and halogenotriazinyl radical and useful for dyeing cellulose/polyester | Robert Kuth, Klaus Wunderlich | 1987-06-30 |
| 4665179 | Triphendioxazine dyestuffs | Klaus Wunderlich, Karl-Josef Herd, Horst Jager | 1987-05-12 |
| 4641932 | Protective lens cover for optical means | — | 1987-02-10 |
| 4622396 | Triphendioxazine dyestuffs | Klaus Wunderlich, Horst Jager | 1986-11-11 |
| 4588810 | Basic triphendioxazine dyestuffs | Gunter Franke, Klaus Wunderlich | 1986-05-13 |
| 4577015 | Triphendioxazine vinyl sulphone dyestuffs | Horst Jager, Karl-Josef Herd | 1986-03-18 |
| 4568742 | Basic triphendioxazine dyestuffs | Gunter Franke, Edgar Siegel | 1986-02-04 |
| 4503224 | Halogenotriazinyl dyestuffs | Robert Kuth, Klaus Wunderlich | 1985-03-05 |
| 4474697 | Fluorotriazine-group-containing azo dyestuffs | Klaus Wunderlich | 1984-10-02 |
| 4400504 | Dioxazine reactive dyestuffs | Klaus Wunderlich | 1983-08-23 |
| 4377688 | Anthraquinone reactive dyestuffs, their preparation and their use for dyeing materials containing OH groups or amide groups | Klaus Wunderlich, Klaus von Oertzen | 1983-03-22 |
| 4355163 | Anthraquinone reactive dyestuffs | Klaus von Oertzen, Klaus Wunderlich | 1982-10-19 |
| 4332938 | Anthaquinone reactive dyestuffs, their preparation and their use for dyeing materials containing OH groups or amide groups | Klaus Wunderlich, Klaus von Oertzen | 1982-06-01 |
| 4325705 | Anthraquinone reactive dyestuffs | Klaus Wunderlish, Klaus von Oertzen | 1982-04-20 |
| 4273553 | Anthraquinone reactive dyestuffs | Horst Jager, Klaus von Oertzen, Klaus Wunderlich | 1981-06-16 |
| 4255325 | Reactive dyestuffs | Klaus Wunderlich, Klaus van Oertzen | 1981-03-10 |
| 4242259 | Anthraquinone-azo reactive dyestuffs | Klaus von Oertzen, Klaus Wunderlich | 1980-12-30 |
| 4217209 | Process for removing heavy metal sulphides from aqueous systems | Guido Steffan, Ernst Borgmann, Peter A. Buchel, deceased | 1980-08-12 |
| 4214082 | Anthraquinone reactive dyestuffs | Klaus Wunderlich, Klaus von Oertzen | 1980-07-22 |