Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5599354 | Azo dye mixtures and their use | Peter Werner Sutter, Francine Casi | 1997-02-04 |
| 5554738 | Acyl-aryl disazo having a 6-ureido-1-hydroxy-naphthalene-3-sulfonic acid coupling component | Adolf K aser | 1996-09-10 |
| 5541301 | Fiber-reactive monoazo dyes containing a phenylamino-substituted triazinyl group | Guido Jordine | 1996-07-30 |
| 5493036 | Fibre-reactive anthraquinone dyes, their preparation and the use thereof | — | 1996-02-20 |
| 5486608 | Cationic compounds, their preparation and the use thereof for the photochemical stabilisation of basic dyeable polyamide fibre materials | — | 1996-01-23 |
| 5424405 | Fiber-reactive monoazo dyes having A2-vinylsulfonyl-5-haloacryloylaniline diazo component or the like | Guido Jordine | 1995-06-13 |
| 5399183 | Process for trichromatic dyeing or printing | — | 1995-03-21 |
| 5356440 | Process for the dyeing of synthetic polyamide fibre materials | Pierre Galafassi | 1994-10-18 |
| 5352247 | Anthraquinone dyes, their preparation and their use | — | 1994-10-04 |
| 5302704 | Azodyes containing a sulfoacetoacetic acid anilide coupling component | Thomas Eichenberger | 1994-04-12 |
| 5212312 | Vattable and non-vattable quinoid dyes | Athanassios Tzikas | 1993-05-18 |
| 5196520 | Azo dyes, their preparation and the use thereof | Jurgen Schaetzer | 1993-03-23 |
| 5049161 | Mixtures of dicyanobenzanthrone compounds | — | 1991-09-17 |
| 5028709 | Anthraquinone vat dyes | — | 1991-07-02 |
| 4992569 | Dicyanobenzanthrone compounds | — | 1991-02-12 |
| 4957847 | Heat-sensitive cyclic diazo compound containing recording material with benzotriazine compound and coupling component | Hans-Peter Baumann | 1990-09-18 |
| 4894447 | Surflonated azo dyes containing a diazo component consisting of a two ring heterocycle with an aminophenylene group | — | 1990-01-16 |
| 4880916 | Cationic azo dyes containing 2(p-aminophenyl)oxazolo [4,5-b]pyridines and similar compounds as diazo components | — | 1989-11-14 |
| 4845209 | Cationic phthalocyanine compounds | — | 1989-07-04 |
| 4785096 | Process for the preparation of 1,4-diamino-2,3-dicyanoanthraquinones | — | 1988-11-15 |
| 4738800 | Process for the preparation of 1,4-diamino-2,3-dicyanoanthraquinones | — | 1988-04-19 |
| 4736021 | 4-Benzothiazolyl phenyl azo dyes | Pierre Galafassi | 1988-04-05 |
| 4695406 | Anthraquinone compounds and the production and use thereof | Roger Lacroix, Janos Vincze | 1987-09-22 |
| 4693727 | Process for dyeing synthetic polyamide materials with fibre-reactive anthraquinone dyes | James B. Bowles, Marshall S. White, Alois Puentener, Peter Loew | 1987-09-15 |
| 4667057 | Halogen substituted amidoglycolic acids | Arthur Buhler | 1987-05-19 |