Process for the aftertreatment of dyed cellulose fibers
US4822374A · kind A · utility
1Cited by
7References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 10, 1987 |
| Grant date | Apr 18, 1989 |
| Priority date | — |
| Expiry date | Jun 10, 2007 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P1/5242
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for the aftertreatment of dyed cellulosic fibre material for the improvement of wet fastness properties, comprising the use of an aqueous liquor which contains a polyquaternary ammonium compound obtained by the reaction of an epihalohydrin with a linear polymer which has repeating units of formula ##STR1## wherein R is C.sub.1 -C.sub.6 -alkyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.