Coloration process
US4153413A · kind A · utility
4Cited by
6References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1977 |
| Grant date | May 8, 1979 |
| Priority date | — |
| Expiry date | Dec 19, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S8/922
- 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 one group selected from primary, secondary or tertiary sulphamoyl or carbamoyl; imido (especially phthalimido), hydroxy, acyloxy, sulphone (especially alkylsulphonyl) and lactone 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.