Carrier set for electrostatic charge image developer, electrostatic charge image developer set, and process cartridge
US9535362B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2015 |
| Grant date | Jan 3, 2017 |
| Priority date | — |
| Expiry date | Jul 22, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0609
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A carrier set for electrostatic charge image developer, includes: a first carrier that satisfies Expression (1); 160 mJ≦x≦200 mJ, and a second carrier that satisfies Expression (2); 210 mJ≦y≦250 mJ, wherein x is a total energy amount, which is measured by a powder rheometer, of a developer which is prepared by mixing the first carrier and a toner for measurement such that a weight ratio of the toner is 8% by weight based on the developer, and y is a total energy amount, which is measured by the powder rheometer, of a developer which is prepared by mixing the second carrier and the toner for measurement such that a weight ratio of the toner is 8% by weight based on the developer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.