Patent · US Expired

Electrophotographic developer, production process thereof and image forming process

US7008747B2 · kind B2 · utility

0Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 5, 2004
Grant dateMar 7, 2006
Priority date
Expiry dateOct 5, 2024

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.