Tetraskisazo compound and ink containing the compound
US5530105A · kind A · utility
8Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1994 |
| Grant date | Jun 25, 1996 |
| Priority date | — |
| Expiry date | Sep 27, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B35/62
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A tetrakisazo compound represented by the following formula (1) in the free acid form: ##STR1## wherein Q.sub.1 and Q.sub.2 independently represent phenylene or naphthylene group which may be optionally substituted, R.sub.4, R.sub.5 and R.sub.6 independently represent a hydrogen atom, a halogen atom, a hydroxy group, a sulfonic acid group or an amino, alkyl, alkoxy, carbamoyl or sulfamoyl group which may be optionally substituted, m is 0 or 1 and n is 1 or 2, and an ink which comprises the tetrakisazo compound. The ink exhibit excellent properties for ink jet printing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.