White ink composition and ink jet recording method
US11802216B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Jul 28, 2021 |
| Grant date | Oct 31, 2023 |
| Priority date | — |
| Expiry date | Apr 25, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D11/38
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A white ink composition is an aqueous ink jet ink and is used for recording on a low-absorbing recording medium or a non-absorbing recording medium, the white ink composition includes a white pigment; and a fixing resin, and the fixing resin contains a urethane resin having a THF soluble component in a two-hour dissolution time of 90 percent by mass or more and a glass transition temperature of 20° C. to 50° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.