Ink for ink jet recording
US6830612B1 · kind B1 · utility
13Cited by
19References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2000 |
| Grant date | Dec 14, 2004 |
| Priority date | — |
| Expiry date | Sep 12, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2650/58
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An ink is provided which can realize good images on various recording media, especially plain papers.The ink comprises at least a water-soluble colorant, a water-soluble organic solvent, water, and a mixture of two or more compounds represented by formula (I):R—[(EO)n-(PO)m]k-T whereinEO represents an ethyleneoxy group;PO represents a propyleneoxy group;T represents an OH group or SO3M wherein M represents a hydrogen atom, an alkali metal, an inorganic base, or an organic amine;m and n are each an integer;k is a natural number of not less than 1; andR represents an alkyl or cyclic group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.