Issued Patents All Time
Showing 51–69 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4656268 | Benzoquinophthalone quaternary ammonium salt derivatives | — | 1987-04-07 |
| 4652645 | Cationic compounds | Willy Stingelin | 1987-03-24 |
| 4652269 | Process for the continuous trichromatic dyeing of synthetic polyamide materials: including a blue anthraquinone reactive dye | James B. Bowles, Marshall S. White, Alois Puntener, Peter Loew | 1987-03-24 |
| 4645626 | Process for the production of quinizarine derivatives which are disubstituted in the 5- and 8-positions by hydroxyl or chlorine | Peter Bloch | 1987-02-24 |
| 4598155 | 3(5-tetrazolyl)1,4-diaminoanthraquinones | — | 1986-07-01 |
| 4588811 | Dyestuff quinophthalone derivatives | — | 1986-05-13 |
| 4525583 | Quaternary ammonium substituted benzothiazolylphenyl azo pyrimidine dyes | — | 1985-06-25 |
| 4501592 | Anthraquinone dyes, process for their preparation, and use thereof | Peter Bloch | 1985-02-26 |
| 4426328 | Reactive dyes, their preparation and use | Arthur Buhler | 1984-01-17 |
| 4395545 | Basic dioxazine compounds | Pierre Galafassi | 1983-07-26 |
| 4336377 | Basic dioxazine compounds | Pierre Galafassi | 1982-06-22 |
| 4328159 | Anthraquinone compounds and mixtures thereof | — | 1982-05-04 |
| 4309180 | Anthraquinone compounds and the production and use thereof | Roger Lacroix, Janos Vincze | 1982-01-05 |
| 4301080 | 6/7-Halogenoanthraquinone compounds, and the production and use thereof | — | 1981-11-17 |
| 4301082 | Anthraquinone compounds | — | 1981-11-17 |
| 4294768 | Water-soluble anthraquinone dyes | — | 1981-10-13 |
| 4292037 | Process for dyeing cellulose-containing fibre materials | Pierre Galafassi, Peter Loew, Hans Scheidegger | 1981-09-29 |
| 4244691 | Novel water-soluble anthraquinone dyes | — | 1981-01-13 |
| 4224228 | Water-soluble anthraquinone dyes | — | 1980-09-23 |