Ferrite carrier for electrophotographic developer and developer containing the carrier
US5466552A · kind A · utility
16Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1994 |
| Grant date | Nov 14, 1995 |
| Priority date | — |
| Expiry date | Aug 19, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/113
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A ferrite carrier for electrophotographic developers which comprises a lithium-based ferrite having the general formula EQU (Li.sub.2 O).sub.x (Fe.sub.2 O.sub.3).sub.100-x wherein x is not more than 16.7 mole % and a part of Li.sub.2 O and/or Fe.sub.2 O.sub.3 is substituted with at least one member selected from the group consisting of alkaline earth metal oxides.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.