Process for dyeing wool-containing fiber materials
US5810891A · kind A · utility
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7References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 7, 1997 |
| Grant date | Sep 22, 1998 |
| Priority date | — |
| Expiry date | Jan 7, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/917
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process is described for dyeing wool-containing fibre materials with anionic dyes, which comprises dyeing said materials in the presence of a wool protective agent containing at least one acrylamide homo- or copolymer. Rubfast level dyeings having reduced setting can be obtained according to this process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.