Reactive dyes, their preparation and use
US6670457B2 · kind B2 · utility
0Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2002 |
| Grant date | Dec 30, 2003 |
| Priority date | — |
| Expiry date | Aug 16, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/4411
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula in which the variables are as defined in the claims, which are suitable as fiber-reactive dyes for dyeing widely varying fiber materials, are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.