2-(p-sulphophenyl)amino-1,3,5-triazine derivative and the salt of alkali metal thereof, a process for the preparation and their use as an auxiliary of cationic dye
US6413281B1 · kind B1 · utility
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8Claims
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Key dates
| Filing date | Feb 17, 2000 |
| Grant date | Jul 2, 2002 |
| Priority date | — |
| Expiry date | Feb 17, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/93
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
2-(p-sulphophenyl) amino-1,3 5-triazine derivatives [1] and their alkali salts, wherein R1, represents Cl, F; R2 is &agr;- or &bgr;-naphthylamino, or &agr;- or &bgr;-naphthoxy, and the method for preparing the compound are provided. The compound can be used as a cationic dye auxiliary agent in dyeing animal protein fibers (such as wool, cony hair, camel hair and natural silk) and their textile fabric as well as blended yarn or fabric containing the animal protein fiber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.