Yellow anionic disazo dyes
US7341607B2 · kind B2 · utility
2Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 27, 2003 |
| Grant date | Mar 11, 2008 |
| Priority date | — |
| Expiry date | Oct 7, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/92
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to novel yellow anionic dyes, a process for their preparation, certain novel intermediates for their preparation and the use of these dyes for dyeing natural or synthetic materials, in particular, paper.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.