Recording ink composition and recording method using the same
US5879439A · kind A · utility
80Cited by
11References
55Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 1997 |
| Grant date | Mar 9, 1999 |
| Priority date | — |
| Expiry date | Aug 1, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/32
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A recording ink composition includes a colorant comprising a pigment which is soluble or dispersible in water, and a polymeric dye having a weight average molecular weight in a range of 5,000 to 15,000, a dispersant including at least one dispersant component selected from the group consisting of at least one polymeric compound having a hydrophilic moiety and a hydrophobic moiety, and/or at least one surfactant having an alkyl group having 5 or more carbon atoms, water, and a water-soluble organic solvent, and a method of recording images on an image receiving medium is performed, using the recording ink composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.