Patent · US Expired

Toner and production method of the same

US6395442B1 · kind B1 · utility

26Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 2000
Grant dateMay 28, 2002
Priority date
Expiry dateJul 24, 2020

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/08797
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner for electrophotography is disclosed. The resin binder is obtained by fusing fine resin particles comprising a crystalline material and amorphous polymer in a water-based medium. The crystalline material preferably has a melting point of 60 to 130° C., a number average molecular weight of 1,500 to 15,000, and a melt viscosity at the melting point +20° C. of not more than 100 Pa·s, and the amorphous polymer is preferably composed of a radically polymerizable monomer.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.