Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348204 | Aqueous dyestuff formulation, a process for its preparation and its use for dyeing and printing | Wolfgang Bauer, Konstantin Morgenroth, Kuno Reh, Joachim Ribka | 1982-09-07 |
| 4302582 | Process for the preparation of a condensation product from phenothiazine and p-nitrosophenol | Gert Nagl, Joachim Ribka, Ulrich Gotsmann | 1981-11-24 |
| 4252533 | Sulphur dyestuffs which are ready for dyeing, and processes for dyeing and printing with sulphur dyestuffs | Christian Heid, Konrad Mix, Erwin Krusche | 1981-02-24 |
| 4218219 | Condensation product from phenothiazine and p-nitrosophenol, process for the production of the condensation product, process for the production of sulfur dyestuffs using the condensation product and the sulfur dyestuffs prepared therewith | Gert Nagl, Joachim Ribka, Ulrich Gotsmann | 1980-08-19 |