Protective coatings for bias charge rollers
US10585371B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 27, 2011 |
| Grant date | Mar 10, 2020 |
| Priority date | — |
| Expiry date | Jul 2, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0233
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Exemplary embodiments provide materials and methods for an electrostatic charging member including a conductive substrate; a base layer disposed over the conductive substrate, the base layer comprising an elastomeric material and a semiconductive material; and a protective outer layer disposed over the base layer, the protective outer layer comprising a polymeric resin and a plurality of conductive particles, wherein the outer protective layer has a surface resistivity ranging from about 105 O/sq to about 1013 O/sq.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.