Developer for electrostatic latent image development
US5795691A · kind A · utility
3Cited by
3References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 14, 1996 |
| Grant date | Aug 18, 1998 |
| Priority date | — |
| Expiry date | May 14, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/1132
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is a developer of electrostatic latent image containing a carrier and a toner which contains a colorant and a binder resin, wherein the carrier comprises a magnetic substance particle and a resin coated on the magnetic substance particle, and said resin for coating is a polyolefin having a weight average molecular weight (Mw) of 20.times.10.sup.4 to 100.times.10.sup.4, a number average molecular weight (Mn) of 0.5.times.10.sup.4 to 10.times.10.sup.4 and an Mw/Mn of 5 to 100; and further the toner may contain a polyolefin having a number average molecular weight of 1500 to 9000 as a releasing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.