Azo dyes
US7101983B2 · kind B2 · utility
2Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2002 |
| Grant date | Sep 5, 2006 |
| Priority date | — |
| Expiry date | Feb 2, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/922
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to novel dyestuffs of formula (I)wherein the substituents have the meanings defined in the claims, the production of such dyestuffs, the use of these dyestuffs and material dyed or printed by such dyestuffs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.