Fibre reactive azo dyes
US6864361B2 · kind B2 · utility
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1References
14Claims
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Inventors
Key dates
| Filing date | Jul 1, 2003 |
| Grant date | Mar 8, 2005 |
| Priority date | — |
| Expiry date | Sep 2, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B62/082
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention refers to dyestuffs of the formula I wherein
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.