Coloration process
US4030881A · kind A · utility
5Cited by
6References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 8, 1975 |
| Grant date | Jun 21, 1977 |
| Priority date | — |
| Expiry date | Oct 8, 1995 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P3/54
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Process for the coloration of aromatic polyester or cellulose triacetate textile materials which comprises applying to the said textile material by an aqueous dyeing, padding or printing process a disperse dyestuff which contains at least two carboxylic acid ester groups and subsequently giving the colored textile material a treatment in an aqueous solution of an alkali having a pH above 8 and at a temperature between 50.degree. and 85.degree. C, whereby the textile materials are colored in a wide variety of shades possessing very good to excellent fastness properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.