Coloration process
US3961881A · kind A · utility
14Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 1974 |
| Grant date | Jun 8, 1976 |
| Priority date | — |
| Expiry date | Jul 22, 1994 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/924
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Process for coloring synthetic polyamide textile materials which comprises applying to the said textile materials by a dyeing, padding or printing process, an aqueous dispersion of pH less than 7 of a disperse dyestuff containing at least one carboxylic acid group and in the presence of a tanning agent, whereby level colorations are obtained which have excellent wet fastness properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.