Carrier for developing electrostatic latent image and developer
US8637218B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2012 |
| Grant date | Jan 28, 2014 |
| Priority date | — |
| Expiry date | Jul 24, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1132
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A carrier for developing electrostatic latent image, including a core material; and a coated layer covering the core material, including a binder resin and a particulate material, wherein the core material is exposed on the surface of the carrier at an areal ratio of from 0.1 to 5.0% and has the largest exposed part having an areal ratio not greater than 0.03%, and wherein the coated layer comprises the particulate material in an amount of from 100 to 500 parts by weight per 100 parts by weight of the binder resin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.