Magnetic carrier and two-components developer
US8945805B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 26, 2009 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Nov 30, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0827
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention provides an image of high image quality by using a magnetic carrier coated with a novel coating resin composition. Further, the present invention stably provides a good image which is hardly influenced by environmental fluctuation and long-term use and has a superior stability of a charging amount when left to stand especially under high temperature and high humidity environments. The present invention also provides a magnetic carrier characterized in that a carrier core surface is coated with a copolymer containing at least, as copolymerization components, an acrylic monomer having a specific structure and an acrylic macromonomer having a specific structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.