Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5964900 | Process for dyeing or printing cellulosic fibre materials and novel reactive dyes | Athanassios Tzikas, Herbert Klier | 1999-10-12 |
| 5928387 | Dye mixtures, process for their preparation and their use | Laszlo Fekete | 1999-07-27 |
| 5712376 | Azo reactive dyes, their preparation and use | Laszlo Fekete | 1998-01-27 |
| 5684138 | Asymmetrical reactive dyes containing two triazinyl radicals which are bridged via an aliphatic bridge member | Herbert Klier, Bernhard Muller, Athanassios Tzikas | 1997-11-04 |
| 5552532 | Reactive dyes, processes for their preparation and their use | Herbert Klier, Bernhard M uller, Athanassios Tzikas | 1996-09-03 |
| 4955987 | Process for the preparation of concentrated aqueous, substantially salt-free solutions of aminotriazinyl reactive dyes, aqueous dye solutions produced thereby and process of dyeing | Roger Lacroix | 1990-09-11 |
| 4740597 | Process for the continuous reaction of cyanuric fluoride with sulfo-containing aromatic amines | Karlheinz Franke | 1988-04-26 |
| 4348318 | Azo-dyes, their preparation and use | — | 1982-09-07 |