Metal free acid dyes, process for the production thereof and their use
US9714347B2 · kind B2 · utility
0Cited by
4References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 2013 |
| Grant date | Jul 25, 2017 |
| Priority date | — |
| Expiry date | Dec 3, 2033 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P1/06
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to dyes of formula (1)a process for preparing them and their use for dyeing and printing hydroxyl- and/or carboxamido-containing materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.