Aniline series azo reactive dyes ortho- or para-substituted by vinyl sulfonyl reactive groups
US4897469A · kind A · utility
4Cited by
5References
5Claims
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Key dates
| Filing date | Apr 1, 1988 |
| Grant date | Jan 30, 1990 |
| Priority date | — |
| Expiry date | Apr 1, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/4401
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Azo reactive dyes of the aniline series for dye or printing fiber materials of the formula ##STR1## wherein K is the radical of a coupling component, and Z is a vinyl sulfonyl reactive group ortho- or para- to the azo bridge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.