Ink, ink-jet recording process, and instrument making use of the ink
US5131949A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 6, 1991 |
| Grant date | Jul 21, 1992 |
| Priority date | — |
| Expiry date | Feb 6, 2011 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/175
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink that includes a recording agent and a liquid medium capable of dissolving or dispersing the recording agent. The ink contains a compound represented by the following Formula (I): EQU R.sub.1 --CONH--R.sub.2 (I) wherein R.sub.1 represents an alkyl group or aryl group unsubstituted or substituted with a group selected from a hydroxyl group, a carboxyl group, a sulfone group, an amino group and an acetylamino group; and R.sub.2 represents a hydrogen atom, an amide group, an aminoalkyl group, an aliphatic carboxylic acid residual group, or an aryl group unsubstituted or substituted with a group selected from a hydroxyl group, a carboxyl group, a sulfone group, an amino group and an acetylamino group; provided that R.sub.1 represents the unsubstituted or substituted aryl group when R.sub.2 is a hydrogen atom. The ink is suitably used in ink-jet recording.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.