Magnetic particles and magnetic carrier for electrophotographic developer
US6087057A · kind A · utility
5Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 1999 |
| Grant date | Jul 11, 2000 |
| Priority date | — |
| Expiry date | Sep 24, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2995
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Magnetic particles of the present invention comprise: PA1 magnetic core particles; and PA1 a rein composition coat formed on each surface of said magnetic core particles, comprising a metal-based curing agent, a silane-based coupling agent oligomer and a silicone resin, PA1 and having an average particle size of 10 to 200 .mu.m. Such magnetic particles are useful for an electrophotographic magnetic carrier for an electrophotographic developer which have an excellent durability and a stable charging property.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.