Azocoumarinic-type dyes for the disperse dyeing of textile fabrics
US4096139A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 27, 1976 |
| Grant date | Jun 20, 1978 |
| Priority date | — |
| Expiry date | Jul 27, 1996 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P1/18
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
There is provided a new azoic dye having the general formula ##STR1## wherein: A is an aromatic radical of the benzene class which has been substituted with at least one group selected from among alkyl, alkoxyl, N-dialkylamine, halogen, cyano and nitro; PA1 X is selected from the group consisting of NH and O; PA1 R.sub.1 is selected from the group consisting of H, CH.sub.3, OCH.sub.3 and Cl; PA1 R.sub.2 is selected from the group consisting of H, CH.sub.3, OCH.sub.3, Cl; PA1 R.sub.3 is selected from the group consisting of CH.sub.3 and C.sub.2 H.sub.5 ; and PA1 R.sub.4 is the same as R.sub.3, such dye being useful in the printing and dyeing of the textiles, particularly hydrophobic synthetic fibers such as polyester fibers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.