Aqueous resin based inkjet inks
US10329440B2 · kind B2 · utility
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Key dates
| Filing date | Apr 13, 2015 |
| Grant date | Jun 25, 2019 |
| Priority date | — |
| Expiry date | Aug 1, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2300/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An inkjet ink includes a) an aqueous medium; and b) capsules composed of a polymeric shell surrounding a core; wherein the capsules are dispersed in the aqueous medium using a dispersing group covalently bonded to the polymeric shell; the core contains one or more chemical reactants capable of forming a reaction product upon application of heat and/or infrared light; and the capsules have an average particle size smaller than 4 μm as determined by dynamic laser diffraction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.