Water-soluble disazo compounds suitable as fiber-reactive dyestuffs
US4430259A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 4, 1981 |
| Grant date | Feb 7, 1984 |
| Priority date | — |
| Expiry date | Nov 4, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/513
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Water-soluble disazo compounds, which can be used as fiber reactive dyestuffs and correspond to the general formula ##STR1## in which Y is vinyl or --CH.sub.2 --CH.sub.2 --Z, Z being sulfato, phosphato, halogen or hydroxy; PA1 D is phenylene or phenylene substituted by 1 or 2 radicals selected from the group consisting of lower alkyl, lower alkoxy, hydroxy, chlorine, bromine, fluorine, carboxy, nitro and sulfo, or PA1 D is naphthylene or naphthylene substituted by 1 or 2 radicals selected from the group consisting of lower alkyl, lower alkoxy, hydroxy, chlorine, bromine, fluorine, carboxy and sulfo; PA1 E is 1,4-phenylene or 1,4-naphthylene, or 1,4-phenylene or 1,4-naphthylene substituted by 1 or 2 radicals selected from the group consisting of lower alkyl, lower alkoxy, hydroxy, ureido, lower alkanoylamino, chlorine, bromine, carboxy and sulfo; PA1 A is ethylene of the formula --CH.sub.2 --CH.sub.2--, or ethyleneoxy of the formula--CH.sub.2 --CH.sub.2 --O--, or propylene of the formula --CH.sub.2 --CH.sub.2 --CH.sub.2 --, or is of the formula ##STR2## wherein X is hydroxy, lower alkanoylamino, halogen, sulfato or phosphato, or is ##STR3## M is hydrogen, a metal or the equivalent o…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.