Issued Patents 1989
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885385 | Sulfonyl containing compounds suitable as precurors for water-soluble fiber-reactive triphendioxazine compounds | Walter Helmling, Gunther Schwaiger | 1989-12-05 |
| 4873320 | Water-soluble monoazo and disazo dyes containing a fiber-reactive 2-chloro-4-(nitrophenylamino-alkylamino)-s-triazin-6-ylamino grouping with a fiber-reactive group of the vinylsulfone series as a substituent in the nitrophenyl moiety | Manfred Kuhn, Holger M. Buch | 1989-10-10 |
| 4861344 | Reactive water-soluble azo dyes containing carboxy- or carbamoyl-pydridinium groups for dyeing textiles | Ludwig Schlafer, Reinhard Hahnle | 1989-08-29 |
| 4851527 | Water-soluble triphendioxazine compounds | Gunther Schwaiger, Walter Helmling | 1989-07-25 |
| 4851542 | N.sub.1 -substituted 1H-benzytriazole hydroxyethyl sulfone compounds, a process for their preparation and their use for the preparation of dyestudds | Gunther Schwaiger | 1989-07-25 |
| 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 | Ludwig Schlafer, Reinhard Hahnle | 1989-07-04 |
| 4816574 | Water-soluble triphendioxazine compounds | Gunther Schwaiger, Walter Helmling | 1989-03-28 |
| 4808193 | Process for dyeing hydroxy-containing fiber material with water-soluble dis-azo reactive dye compound | Ludwig Schlafer, Michael Kunze | 1989-02-28 |
| 4806127 | Water-soluble disazo compounds, containing triazinyl pyridinium group processes for their preparation and their use for dyeing cellulose | Ludwig Schlafer, Reinhard Hahnle | 1989-02-21 |