Carrier for use in electrophotographic developers
US4663262A · kind A · utility
8Cited by
2References
11Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 26, 1985 |
| Grant date | May 5, 1987 |
| Priority date | — |
| Expiry date | Dec 26, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/80
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A noval carrier powder for electrophotographic developers is provided. The carrier powder comprises spherical magnetite particles having a wustite (FeO) content of less than 10% by weight, a particle diameter of 30-200 .mu.m and a surface porosity of less than 20%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.