Bifunctional reactive dyestuffs containing the 2-(N-substituted amino)-4-(N-phenylamino)-1,3,5-trlazinyl moiety
US5256774A · kind A · utility
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5Claims
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Key dates
| Filing date | Feb 20, 1992 |
| Grant date | Oct 26, 1993 |
| Priority date | — |
| Expiry date | Feb 20, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/4403
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Improved reactive dyestuffs have the following formula ##STR1## in which the substituents have the meaning given in the description.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.