Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5416227 | Dye salts of the anthraquinone dye series | Martin Tanner, Paul Lienhard, Robert von Arx | 1995-05-16 |
| 5298036 | Mixture of disazo dyes containing sulfo-substituted 1,4-naphthalene middle components | Urs Lehmann | 1994-03-29 |
| 5131919 | Blue anthraquinone dye mixture for natural and synthetic polyamides | — | 1992-07-21 |
| 5106960 | Azo dyes and the production and use thereof | Rudolf Hurter | 1992-04-21 |
| 5096460 | Red dye mixtures and their use: dyeing natural or synthetic polyamides | — | 1992-03-17 |
| 5094665 | Azo dye mixture and their use for dyeing and printing natural and synthetic polyamides | — | 1992-03-10 |
| 5092906 | Anionic azo dye mixtures and their use for dyeing natural and synthetic polyamides | — | 1992-03-03 |
| 5090964 | Red dye mixtures and their use: dyeing natural or synthetic polyamides | — | 1992-02-25 |
| 4990599 | 2,7-diphenylazo-1-amino-8-hydroxynaphthalene disazo dyes containing two fiber-reactive groups | Peter Loew | 1991-02-05 |
| 4935033 | Process for the aqueous dyeing of natural polyamide fibres using reactive dyes and assistant mixture of quaternary ammonium polyglycol, acid ester of polyglycol and fatty alcohol polyglycol ether | Walter Mosimann | 1990-06-19 |
| 4917705 | Process for dyeing or printing of fibre material from natural or synthetic polyamides with reactive disazo dyes | Peter Loew | 1990-04-17 |
| 4582897 | Azo dyes | Rudolf Hurter, Hansrudolf Schwander | 1986-04-15 |
| 4537598 | Process for trichromatic dyeing or printing of polyamide | Harry Schaetzer, Helmut Raisin | 1985-08-27 |
| 4445905 | Process for trichromatic dyeing or printing of polyamide | Harry Schaetzer, Helmut Raisin | 1984-05-01 |
| 4402704 | Process for trichromatic dyeing or printing | Helmut Raisin, Harry Schaetzer | 1983-09-06 |
| 4396393 | Dye mixtures and their use | Harry Schaetzer, Helmut Raisin | 1983-08-02 |
| 4382890 | Fiber reactive sulfo aryl azo N-substituted pyridone-3-carboxamide dyestuffs | Rene de Montmollin | 1983-05-10 |
| 4283331 | Azo dyes, their preparation and use | Karl Seitz | 1981-08-11 |