Ink compositions
US5139574A · kind A · utility
26Cited by
7References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 28, 1991 |
| Grant date | Aug 18, 1992 |
| Priority date | — |
| Expiry date | Jan 28, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Disclosed is an ink composition which comprises an aqueous liquid vehicle, a water-soluble dye, and particles of a block copolymer of the formula ABA, wherein A represents a hydrophilic segment and B represents a hydrophobic segment, said ABA particles having an average diameter of about 300 Angstroms or less. The ink is particularly suitable for use in ink jet printing systems, especially thermal ink jet printing systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.