Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4676803 | Reactive azo dyestuffs, free from anionic groups and containing a basic group and halogenotriazinyl radical and useful for dyeing cellulose/polyester | Wolfgang Harms, Klaus Wunderlich | 1987-06-30 |
| 4544372 | Process for improving the light fastness of polyamide dyeings | Klaus-Peter Heise, Karl Neufang, Hellmuth Pantke, Karlfried Wedemeyer | 1985-10-01 |
| 4502863 | Solid dyestuff formulations containing ethylenically unsaturated acid, ester and acrylonitrile copolymer | Wolfgang Bornatsch, Hermann Perrey | 1985-03-05 |
| 4503224 | Halogenotriazinyl dyestuffs | Wolfgang Harms, Klaus Wunderlich | 1985-03-05 |
| 4294579 | Process for the one-bath, single-stage dyeing or printing of cellulose fibres with fibre-reactive disperse dyestuffs | Udo-Winifred Hendricks, Dietrich Hildebrand | 1981-10-13 |
| 4290768 | Process for dyeing and printing cellulose fibres | Rutger Neeff, Werner Kuhnel, Wilhelm Gohrbandt | 1981-09-22 |
| 4278434 | Transfer printing process and printing inks and temporary supports for carrying out this process | Friedrich W. Krock, Rutger Neeff | 1981-07-14 |
| 4277245 | Process for dyeing and printing cellulose fibres | Manfred Groll, Werner Kuhnel | 1981-07-07 |
| 4268266 | Process for dyeing and printing cellulose fibres with reactive dyestuffs | Udo-Winfried Hendricks, Dietrich Hildebrand | 1981-05-19 |
| 4256460 | Process for dyeing and printing cellulose fibres | Gunter Gehrke, Werner Kuhnel | 1981-03-17 |
| 4255151 | Process for dyeing and printing cellulose fibres | Volker Hederich, Gunter Gehrke, Werner Kuhnel | 1981-03-10 |
| 4249275 | Process for dyeing and printing cellulose fibres | Herbert Hugl, Gerhard Wolfrum, Henning Reel, Werner Kunnel, Wilhelm Gohrbandt | 1981-02-10 |