Patent · US Expired

Toner for electrophotography

US5026621A · kind A · utility

39Cited by
0References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 1989
Grant dateJun 25, 1991
Priority date
Expiry dateMay 12, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G9/08728
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A toner for electrophotography is disclosed, which comprises as the main components a coloring component and a binder resin which is a block copolymer comprising a functional segment (A) consisting of at least one of a fluoralkyl acryl ester block unit or a fluoralkyl methacryl ester block unit, and a compatible segment (B) consisting of a fluorine-free vinyl or olefin monomer block unit.

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