Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4724259 | Azo dyes and liquid-crystalline materials containing these dyes | Karl-Heinz Etzbach, Johannes Dehnert | 1988-02-09 |
| 4380452 | Dyeing and printing of cellulose-containing textile material | Hermann Loeffler, Gunther Lamm | 1983-04-19 |
| 4344880 | Disazo dyestuffs having an acylamino group and an aromatic-oxy group on different terminal moieties | Johannes Dehnert | 1982-08-17 |
| 4305718 | Dyeing and printing of cellulose-containing textile material | Hermann Loffler, Gunther Lamm | 1981-12-15 |
| 4276045 | Dyeing and printing of cellulosic textile material | Gunther Lamm, Hermann Loeffler | 1981-06-30 |
| 4231746 | Dyeing of cellulose-containing textile material and novel dyes for use therein | Johannes Dehnert | 1980-11-04 |
| 4206113 | Azo dyes having an oxdiazolyl-1,2,4 group | Peter Dimroth, Walter Kurtz, Volker Radtke | 1980-06-03 |