Photo curable ink composition
US10364364B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Oct 29, 2015 |
| Grant date | Jul 30, 2019 |
| Priority date | — |
| Expiry date | Oct 29, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G65/33327
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A photo curable ink composition includes a photo-reactive binder, a water soluble polymeric sensitizer, a water soluble photoinitiator, a colorant, and a balance of water. The water soluble polymeric sensitizer includes a functionalized anthrone moiety, a polyether chain, and an amide linkage or an ether linkage attaching one end of the polyether chain to the functionalized anthrone moiety. The water soluble photoinitiator having a formula (I) of: wherein n is any integer from 1 to 5 and M is a metal with a valence from 1 to 5.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.