Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4632983 | Pyridone dyes containing a oxydiazone substituent | — | 1986-12-30 |
| 4424154 | Azo dye having a 3-cyano- or 3-carbamoyl-2,6-diaminopyridine coupling component | Johannes Dehnert, Hermann Lo/ ffler | 1984-01-03 |
| 4424155 | Aminoazo compounds | Walter Kurtz | 1984-01-03 |
| 4380452 | Dyeing and printing of cellulose-containing textile material | Hermann Loeffler, Werner Juenemann | 1983-04-19 |
| 4354969 | Dye mixtures | Georg Henning, Bertold Honigmann | 1982-10-19 |
| 4305718 | Dyeing and printing of cellulose-containing textile material | Hermann Loffler, Werner Juenemann | 1981-12-15 |
| 4276045 | Dyeing and printing of cellulosic textile material | Werner Juenemann, Hermann Loeffler | 1981-06-30 |
| 4229345 | (2-Chloro-4-cyanophenyl) (4-dialkylaminophenyl)-diazine dye useful for transfer printing | — | 1980-10-21 |
| 4224220 | Azo dyes | — | 1980-09-23 |
| 4210583 | Azo dyes of the 2,6-di(substituted) amino pyridine series | Johannes Dehnert, Walter Kurtz | 1980-07-01 |