Patent · US Active

Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

US8465889B2 · kind B2 · utility

33Cited by
51References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 29, 2010
Grant dateJun 18, 2013
Priority date
Expiry dateMay 2, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/072
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

To provide an electrophotographic photosensitive member that can reproduce good images with less positive ghost and also has a good photosensitivity, the electrophotographic photosensitive member is incorporated in its photosensitive layer with a copolymer having a repeating structural unit represented by the formula (1) and a repeating structural unit represented by the formula (2), or a copolymer having a repeating structural unit represented by the formula (1) and a repeating structural unit represented by the formula (3).Z1-A-Z2-E1  (1)Z3-A-Z4—W2—B2—W2  (2)Z5—B3—Z6-E4  (3)

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