Mixture of cationic compounds for dyeing and printing textiles, leather and paper
US4462805A · kind A · utility
2Cited by
6References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 10, 1983 |
| Grant date | Jul 31, 1984 |
| Priority date | — |
| Expiry date | May 10, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/927
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A mixture of cationic compounds of the formulae ##STR1## is obtained by reaction of a compound of the formula ##STR2## with an aldehyde of the formula II ##STR3## in an aqueous or organic medium, in the presence of an acid, in which formulae, the symbols have the meanings defined in claim 1. The mixtures obtained are suitable in particular for the dyeing of paper, whereby neutral-yellow dyeings are obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.