Ink compositions
US6187084A · kind A · utility
4Cited by
15References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 29, 1999 |
| Grant date | Feb 13, 2001 |
| Priority date | — |
| Expiry date | Mar 29, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B29/0811
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink comprising water, a water-dissipatable polymer and one or more dyes of Formula (1): ##STR1## wherein: PA1 R.sup.1 is H or a substituent; PA1 R.sup.2 and R.sup.3 are each independently optionally substituted alkyl, aryl or aralkyl, or R.sup.2 and PA1 R.sup.3 together with the carbon atom to which they are attached form an optionally substituted ring; PA1 R.sup.4 is H or optionally substituted alkyl, aryl or aralkyl; and PA1 D is an optionally substituted arylene group. Also claimed are the dyes of Formula (1), ink jet printing processes and cartridges containing the inks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.