Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104415 | Aqueous dye formations: water insoluble dye and ethoxylated sulfated alkyl-phenol or fatty alcohol in water | — | 1992-04-14 |
| 5074887 | Aqueous dye preparations: water-insoluble dye, anionic dispersant, lactate, glycerol or propylene glycol, polymer and betaine | — | 1991-12-24 |
| 4886549 | Vat dye and sulfur dye compositions | — | 1989-12-12 |
| 4648884 | Solutions of anionic dyes with alkylene glycol mono-alkyl ethers | — | 1987-03-10 |
| 4519805 | Vat dye and sulfur dye compositions | — | 1985-05-28 |
| 4514186 | Aqueous formulations of water-insoluble or sparingly water-soluble dyes and hypophosphite/unsaturated acid teldmer | Alain Lauton | 1985-04-30 |
| 4436523 | Process for the preparation of storage stable colorant compositions by ultrafiltration and wet milling | Paul Hugelshofer, Peter Zbinden | 1984-03-13 |
| 4319881 | Process for printing or pad dyeing of textile material made from cellulose fibres, or from mixtures thereof with synthetic fibres | Andres Schaub | 1982-03-16 |
| 4297100 | Aqueous dye preparations | Hans Mollet | 1981-10-27 |