Aqueous ink composition and image forming apparatus
US9010915B2 · kind B2 · utility
2Cited by
6References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2012 |
| Grant date | Apr 21, 2015 |
| Priority date | — |
| Expiry date | May 15, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/098
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed is an aqueous ink composition, including an aqueous solvent, a coloring agent dissolved or dispersed in the aqueous solvent, an ABA-type amphipathic polymer including a hydrophobic segment A and a hydrophilic segment B, and an anionic surfactant configured to dissolve or disperse the ABA-type amphipathic polymer in the aqueous solvent, wherein a viscosity of the aqueous ink composition is changed depending on a pH thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.