Coloration process
US4169705A · kind A · utility
8Cited by
4References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 20, 1977 |
| Grant date | Oct 2, 1979 |
| Priority date | — |
| Expiry date | Dec 20, 1997 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/8238
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Process for the continuous coloration of aromatic polyester or cellulose triacetate textile materials and of unions of aromatic polyester with cellulose, by applying to the textile material for the polyester or triacetate a disperse azo dyestuff containing a single carboxylic acid ester group and at least two cyano groups, and for the cellulose component of a union a reactive or other dyestuff, followed by an alkaline rinse of the colored textile material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.