Cleaning fluid, ink set, and cleaning method
US12304209B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 14, 2021 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | Apr 21, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A cleaning fluid used in an ink-jet printer ejecting an aqueous ink-jet ink containing a pigment and an alkali-soluble resin, to clean a portion of the ink-jet printer to which the ejected aqueous ink-jet ink is adherent. The cleaning fluid includes a surfactant, an antiseptic, and water. The surfactant is a compound having a polyoxyalkylene skeleton and an HLB of 9-20, and the antiseptic includes a compound having a hydantoin skeleton, the content of which is 0.05-0.3 mass %. The cleaning fluid does not attack nozzle plates made of silicone and has satisfactory storage stability, antiseptic effect, and ability to remove aqueous ink-jet inks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.