Toner for developing electrostatic latent image, toner container containing the toner, and image forming method and apparatus using the toner
US6566026B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2001 |
| Grant date | May 20, 2003 |
| Priority date | — |
| Expiry date | Jun 26, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/08797
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A toner including mother toner particles including at least two resins A and B and a wax each of which is incompatible with the others; and an external additive including at least one of a particulate inorganic material and a particulate resin, wherein the resins and wax form a sea-island structure in which the resin B is present like islands in a sea of the resin A and the wax is substantially included in the resin B while dispersed therein, and wherein the resin A does not include a component insoluble in tetrahydrofuran and has a weight average molecular weight of from 10,000 to 90,000.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.