Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292871 | Water-soluble compounds having a fiber-reactive group of the vinyl sulfone monoazo series bonded to an alkanoylamino of benzoylamino grouping, suitable as dyestuffs | Werner Russ | 1994-03-08 |
| 5250670 | Water-soluble monoazo compounds containing fiber-reactive groups of vinyl sulfone series as well as triazinyl radical, and process for dyeing with same | Werner Russ | 1993-10-05 |
| 5175263 | Water-soluble azo compounds, having a fiber-reactive group of the vinylsulfone series in the diazo component and having a phenoxy- or aralkyloxy-substituted chloro-s-triazinylamino-naphthol sulfonic acid coupling component, suitable as dyestuffs | — | 1992-12-29 |
| 5102993 | Water-soluble disazo compounds, having a fiber-reactive group of the vinylsulfone series, suitable as dyestuffs | Hartmut Springer | 1992-04-07 |
| 5070189 | Water-soluble azo compounds containing a sulfo-naphthol as a coupling component and having fiber-reactive groups of the vinylsulfone series, suitable as dyestuffs | Werner Russ | 1991-12-03 |
| 5055565 | Water-soluble disazo compounds, containing a vinylsulfonyl or .beta.-chloroethylsulfonyl grouping bonded directly or via a methylene group or a lower alkyl amino group to a benzoylamino group, suitable as dyestuffs | Hartmut Springer, Manfred Kuhn, Werner Russ | 1991-10-08 |
| 5003053 | Water-soluble monoazo compounds containing a p-aminophenylamino- and chloro- or fluoro-substituted triazinylamino group and a fiber-reactive group selected from the vinylsulfone series, suitable as dyestuffs | Hartmut Springer, Walter Helmling, Werner Russ | 1991-03-26 |
| 4975539 | Water-soluble monoazo compounds having fiber-reactive groups of the vinylsulfone series and a sulfo-substituted benzoylamino naphthol coupling component, suitable as dyestuffs | Werner Russ | 1990-12-04 |
| 4963661 | Water soluble naphthylazopyrazolone dyestuffs having fiber-reactive groups of the vinylsulfone series | Horst Tappe, Dieter Oehme, Werner Russ | 1990-10-16 |
| 4960872 | Water-soluble monoazopyrazolone dyestuffs having fiber reactive groups of the vinylsulfone series | Gunther Schwaiger, Werner Russ | 1990-10-02 |
| 4898933 | Water-soluble fiber-reactive aminotriazine and vinylsulfone containing azo dyestuffs having carboxy- or carbamoyl pyridinium groups | Hartmut Springer, Reinhard Hahnle | 1990-02-06 |
| 4861344 | Reactive water-soluble azo dyes containing carboxy- or carbamoyl-pydridinium groups for dyeing textiles | Hartmut Springer, Reinhard Hahnle | 1989-08-29 |
| 4845202 | Water-soluble disazo compounds containing 3-carboxy or 3-carbamoylpyridium-s-triazinyl groups and fiber-reactive groups of the vinyl sulfone series suitable as dyestuffs | Hartmut Springer, Reinhard Hahnle | 1989-07-04 |
| 4818814 | Water-soluble disazo compounds containing the 1-amino-8-hydroxy-3,6-disulfo-naphthalene moiety as a bivalent coupling component and an aniline or naphthylamine compound having a fiber-reactive group, and a 2-sulfo-5-acylamino-aniline | — | 1989-04-04 |
| 4808193 | Process for dyeing hydroxy-containing fiber material with water-soluble dis-azo reactive dye compound | Hartmut Springer, Michael Kunze | 1989-02-28 |
| 4806127 | Water-soluble disazo compounds, containing triazinyl pyridinium group processes for their preparation and their use for dyeing cellulose | Hartmut Springer, Reinhard Hahnle | 1989-02-21 |
| 4762916 | Water-soluble dis-, tris- and tetra-azo compounds containing fiber-reactive chloro-and fluro-triazinyl groups and vinylsulfone groups or derivatives thereof, suitable as dyestuffs | Hartmut Springer, Michael Kunze | 1988-08-09 |
| 4719053 | Beta-chloroethylsulfonylmethyl-benzoic halides as intermediates | Reinhard Hahnle | 1988-01-12 |
| 4707545 | Process for the preparation of lithium salts of anionic dyes by reacting the calcium salts with lithium sulfate or lithium hydrogen sulfate | Fritz Meininger | 1987-11-17 |
| 4703112 | Water-soluble benzothiazole-azo- and phenyl-azo-compounds containing a 2-sulfo-5-acylamino-aniline coupling component, suitable as fibre-reactive dyestuffs | Peter Mischke | 1987-10-27 |
| 4564672 | Water-soluble monoazo and disazo compounds containing a fibre-reactive 2-alkoxy-5-chloro-aniline diazo component and copper complexes thereof, useful as dyestuffs | — | 1986-01-14 |
| 4473498 | Water-soluble, fiber-reactive organic dyestuffs containing a .beta.-chloro-ethylsulfonyl-methyl-benzoic acid amide group | Reinhard Hahnle | 1984-09-25 |
| 4415333 | Solid compositions of water-soluble fiber-reactive dyestuffs and dialkylnaphthalene sulfonic acid and formaldehye condensate | Heinz Uhrig | 1983-11-15 |