Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352246 | Dye composition containing a mixture of water-soluble fiber-reactive dyes and method of dyeing with said dye composition | Manfred Hahnke, Werner Russ, Uwe Mrotzeck, Jutta Reiter, Christine Feuchtner | 1994-10-04 |
| 5011917 | Process for preparing a stabilized composition of a lithium azo compound | Konrad Opitz | 1991-04-30 |
| 4939242 | Process for the preparation of the lithium salt of a fiber-reactive azo dyestuff | Konrad Opitz | 1990-07-03 |
| 4902786 | Phenylazonaphthol or naphthylazonaphthol compounds containing a fibre-reactive aminophenylamino-substituted halogen-s-triazinylamino group and a fibre-reactive group of the vinylsulfone series, suitable as dyestuffs | Hartmut Springer, Michael Kunze | 1990-02-20 |
| 4775746 | Water-soluble monoazo compounds containing a fiber-reactive group of the vinylsulfone series and having a sulfonaphthol coupling component with a phenylaminotriazinylamino substituent, suitable as dyestuffs | Hartmut Springer, Michael Kunze, Werner Russ | 1988-10-04 |
| 4757136 | Water-soluble Azo compounds containing fiber-reactive groups and having a sulfo-naphthol coupling component with a triazinylamino substituent suitable as dyestuffs | Hartmut Springer, Michael Kunze, Werner Russ | 1988-07-12 |
| 4740592 | Water-soluble azo compounds containing fiber-reactive groups and having a sulfo-naphthal coupling component with a triazinylamino substituent suitable as dyestuffs | Hartmut Springer, Michael Kunze, Werner Russ | 1988-04-26 |
| 4731441 | Water-soluble azo compounds containing, as fiber-reactive groups, a (nitrophenylamino-phenylamino)-chloro-triazinylamino group and groups of the vinylsulfone series, suitable as dyestuffs | Michael Kunze | 1988-03-15 |
| 4725674 | Water soluble monoazo and disazo compounds containing (diphenylamino)-amino-chlorotriazinylamino group substituted by a nitro group and a fibre-reaction group of the vinylsulfone series, suitable as dyestuffs | Michael Kunze | 1988-02-16 |
| 4705524 | Mixtures of water-soluble fiber-reactive dyes and use thereof for dyeing: dioxazine and disazo dyes | Manfred Hahnke | 1987-11-10 |
| 4703111 | Water-soluble compounds containing one or two (nitrophenylamino)-phenylamino-chlorotriazinylamino groups, the nitrophenylamino being additionally substituted by a fiber-reactive group of the vinylsulfonyl series, suitable as dyestuffs | Michael Kunze | 1987-10-27 |
| 4701523 | Water-soluble disazo compounds containing one or two (nitro-phenylamino)-phenylamino-chlorotriazinylamino groups, the nitro-phenylamino being additionally substituted by a fiber-reactive group of the vinylsulfone series, suitable as dyestuffs | Michael Kunze | 1987-10-20 |
| 4659807 | Water-soluble pyridone monoazo compounds suitable as fiber reactive dyestuffs | — | 1987-04-21 |