Liquid electrostatic ink developer assembly
US11181849B2 · kind B2 · utility
0Cited by
11References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 2017 |
| Grant date | Nov 23, 2021 |
| Priority date | — |
| Expiry date | Jun 28, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0861
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Described herein is a liquid electrostatic ink developer assembly comprising a developer roller having a surface coating, the surface coating comprising a polyurethane resin formed from a polyol; a hydroxyl-terminated polysiloxane; and a polyisocyanate. Also, described herein is a liquid electrostatic printing apparatus comprising the liquid electrostatic ink developer assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.