Electrostatic ink composition
US10564563B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 14, 2016 |
| Grant date | Feb 18, 2020 |
| Priority date | — |
| Expiry date | Oct 14, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/133
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Described herein is a liquid electrostatic ink composition. The composition may comprise: a. a carrier liquid; and b. chargeable particles suspended in the carrier liquid, wherein the chargeable particles comprise a thermoplastic resin formed from the reaction of a first resin and a second resin, wherein i. the first resin comprises a polymer having acidic side groups; and ii. the second resin comprises an epoxy resin component and an elastomeric component, wherein the epoxy resin component has one or more epoxide groups per molecule.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.