Toner for developing electrostatic images and process for producing toner
US5529873A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1994 |
| Grant date | Jun 25, 1996 |
| Priority date | — |
| Expiry date | Apr 18, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08782
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner for developing electrostatic images which comprises a toner particle produced by polymerizing a polymerizable monomer composition, PA1 wherein the toner particle contains 0.1-9.0% by weight of a modified polyester resin having one or more monomer units selected from a group consisting of styrene type monomer, acrylic monomer, and methacrylic monomer 16-50% by weight of a wax having a melting point of 50.degree.-95.degree. C., and 0.01-5.0% by weight of a charge controlling agent; PA1 the resin component of the toner particle has a weight average molecular weight of 5,000-45,000; PA1 and the toner particle has water absorption of 300-5,000 ppm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.