Ink and toner compositions containing substituted phenyl AZO thiophene dye
US5779781A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 2, 1997 |
| Grant date | Jul 14, 1998 |
| Priority date | — |
| Expiry date | Apr 2, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/00527
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An ink composition comprising: PA0 (i) a medium comprising a low melting point solid, an organic solvent, or a mixture of water and one or more water-soluble organic solvent(s); and PA0 (ii) an azothiophene of Formula (1): ##STR1## wherein: R, R.sup.1, R.sup.2 and R.sup.3 each independently is optionally substituted alkyl or alkenyl. Also claimed are inks containing mixtures of the azothiophene of Formula (1) with other azothiophenes and with azo dyes, a process for ink jet printing of textiles using the inks, a process for ink jet printing a substrate with the inks and toner resin composition containing an azothiophene of Formula (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.