Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5556435 | Mixtures fiber-reactive dyes and use thereof for dyeing fiber | Werner Russ, Karl Krieger, Uwe Mrotzeck | 1996-09-17 |
| 5496381 | Mixtures of fiber-reactive dyes and use thereof for dyeing fiber materials | Werner Russ | 1996-03-05 |
| 5445654 | Black dye mixtures of fiber-reactive azo dyes and use thereof for dyeing hydroxy- and/or carboxamido-containing fiber material | Werner Russ, Karl Krieger | 1995-08-29 |
| 5310886 | Azo compounds which contain a 1-sulfo-6-carboxy-2-aminonaphthalene diazo component radical and use thereof as dyes | Hartmut Springer | 1994-05-10 |
| 5268458 | Azo compounds, having a 1-sulfo-6-carboxy-2-naphthyl group as the diazo component and a halogen-substituted heterocyclic fiber-reactive group | Hartmut Springer | 1993-12-07 |
| 5128455 | Water-soluble fiber-reactive dyes, containing an amino-substituted 5-triazine ring with a fiber-reactive group of the vinylsulfone series | Hartmut Springer, Patrick Scheidhauer, Karl-Michael Reichert, Guther Schwaiger | 1992-07-07 |
| 5093483 | Water-soluble azo compounds having a 6-carboxy-2-naphthal as coupling components, suitable as dyestuffs | Hartmut Springer | 1992-03-03 |
| 5047515 | Water-soluble containing a fiber-reactive triazine radical and 6-carboxy-2-naphthol as coupling component, suitable as dyes | Hartmut Springer | 1991-09-10 |
| 5043435 | Fiber-reactive benzotriazolyl-phenyl diazonium compounds suitable as diazo compounds for the preparation of azo dyes, and process for preparing them | Hartmut Springer | 1991-08-27 |
| 4946947 | Water-soluble azo compounds containing a benzotiazol-1-yl phenyl moiety as a diazo component which carry a fiber-reactive group of the vinylsulfone series | Hartmut Springer | 1990-08-07 |