Electrophotographic developer, process for producing the same, and method of forming image
US6818371B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 1, 2002 |
| Grant date | Nov 16, 2004 |
| Priority date | — |
| Expiry date | Aug 1, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G9/0902
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electrophotographic developer comprising at least one element selected from the group consisting of boron and phosphorus in a content of 0.1 to 100 ppm, which the developer is excellent in flowability and shelf stability, does not give image defects such as occurrence of white stripes and attains almost constant image quality even when the ambient conditions including temperature and humidity fluctuate. A production process of a polymerized toner used in the developer, a production process of the developer, and an image forming process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.