Polycyclic dyes
US5212313A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 23, 1991 |
| Grant date | May 18, 1993 |
| Priority date | — |
| Expiry date | Oct 23, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B57/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Compounds of the Formula VII: ##STR1## Wherein: X.sup.1 and X.sup.2 are each independently selected from --H, cyano, alkyl, alkoxy, aryl, carbamoyl, sulphamoyl, COOH and carboxylic acid ester; PA1 Z.sup.2 and Z.sup.2 are both --O--; PA1 R.sup.1 and R.sup.2 are each independently selected from H, or an optionally substituted alkyl, alkenyl, cycloalkyl, aryl and aralkyl group; PA1 R.sup.4, R.sup.5, R.sup.7 and R.sup.8 are each independently --H, halogen or an optionally substituted alkyl, alkenyl or alkoxy group; or PA1 R.sup.1 and R.sup.4 or R.sup.2 and R.sup.5 together with N atom and Ring B from a tetrahydroquinolinyl group; and R.sup.6 is selected from H, halogen or an optionally substituted alkyl or alkoxy group and a group NR.sup.1 R.sup.2 in which each of R.sup.1 and R.sup.2 are independently as hereinbefore described and where R.sup.6 is NR.sup.1 R.sup.2, R.sup.6 is the same or different form the NR.sup.1 R.sup.2 group present in Ring B. These compounds are suitable for the coloration of polyester textile material in shades from green through to reddish-blue.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.