Sulfo-substituted fibre-reactive 1:2-chromium complex azo dyes
US4432898A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1980 |
| Grant date | Feb 21, 1984 |
| Priority date | — |
| Expiry date | Oct 23, 2000 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P5/006
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Chromium complex dyes are disclosed which have the formula ##STR1## wherein S.sub.1 represents a hydrogen or halogen atom, a nitro group, a sulpho group, an alkyl or alkoxy radical, an acylamino or arylazo group, PA1 S.sub.2 represents a hydrogen or halogen atom, a nitro group, a sulpho group, an alkyl or alkoxy radical, PA1 S.sub.3 represents a hydrogen atom, a nitro group or a halogen atom, PA1 P is 1 or 2, PA1 R represents a fluorochloropyrimidyl or fluorotriazinyl radical, a chloroacetyl, bromoacetyl, .alpha.-chloro- or .alpha.-bromoacryloyl radical or an .alpha.,.beta.-dichloro- or .alpha., .beta.-dibromopropionyl radical, and PA1 M.sup..sym. represents a cation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.