Liquid reactive dyestuff preparations and their use
US4443224A · kind A · utility
9Cited by
8References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 30, 1982 |
| Grant date | Apr 17, 1984 |
| Priority date | — |
| Expiry date | Jun 30, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/924
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to liquid reactive dyestuff preparations containing one or several dyestuffs, the chromophore of which has of from 1 to 8 SO.sub.3 H groups and of from 1 to 3 fiber-reactive groups, a solubilizer, an anionic dispersing agent and buffer substances and having a pH of from 3 to 7. These preparations are particularly stable to storage and are suitable for dyeing and printing natural and synthetic fiber material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.