Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362874 | Quaternary reactive compounds | Walter Kalk, Manfred Soll | 1982-12-07 |
| 4354968 | Azo reactive dyestuffs having an aryl-triazinyl-aryl diazo component | Erich Kramer, Horst Nickel | 1982-10-19 |
| 4342683 | Azo dyes with carboxyl polyalkyleneoxy chain moiety | Henning Reel, Winfried Kruckenberg | 1982-08-03 |
| 4339380 | Azo dyestuffs | Herbert Hugl, Gerhard Wolfrum, Winfried Mennicke, Jochen Westphal | 1982-07-13 |
| 4338262 | Carboxylic acid derivatives | Otto Schallner, Siegfried Oeckl | 1982-07-06 |
| 4292239 | Benzisothiazole azo dyestuffs containing polyether groups | Winfried Kruckenberg | 1981-09-29 |
| 4281124 | Reactive quaternary compounds, their preparation and their use for increasing the affinity of anionic dyestuffs for fibres which contain nitrogen or hydroxyl groups | Bernd Berger-Lohr, Manfred Soll | 1981-07-28 |
| 4265813 | Azo dyestuffs | Horst Nickel | 1981-05-05 |
| 4249902 | Dyestuff formulations | Winfried Kruckenberg | 1981-02-10 |
| 4234479 | Chromium mixed complex dyestuffs of phenyl-azo-pyrazole components | Winfried Mennicke, Walter Scholl | 1980-11-18 |
| 4222947 | Anthrachinone dyestuffs | Volker Hederich, Winfried Kruckenberg | 1980-09-16 |