Patent · US Active

Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

US9164406B2 · kind B2 · utility

18Cited by

3References

10Claims

0Family size

Assignee

Canon Kabushiki Kaisha · JP

Inventors

Masashi Nishi · Susono, JP
Takashi Anezaki · Hiratsuka, JP
Kazuhisa Shida · Kawasaki, JP
Hirofumi Kumoi · Soma, JP
Daisuke Tanaka · Hiratsuka, JP
Kazumichi Sugiyama · Numazu, JP

Key dates

Filing date	Jan 10, 2014
Grant date	Oct 20, 2015
Priority date	—
Expiry date	Jan 24, 2034

Classification

Technology area (CPC G)Physics
CPC primaryG03G5/14756
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The charge transporting layer as the surface layer of an electrophotographic photosensitive member includes a charge transporting substances represented by any one of formulae (1) to (5), a specific compound, and a specific resin (binder resin). The specific compound is hexanol, heptanol, cyclohexanol, benzyl alcohol, ethylene glycol, 1,4-butanediol, 1,5-pentanediol, diethylene glycol, diethylene glycol ethyl methyl ether, ethylene carbonate, propylene carbonate, nitrobenzene, pyrrolidone, N-methylpyrrolidone, methyl benzoate, ethyl benzoate, benzyl acetate, ethyl 3-ethoxypropionate, acetophenone, methyl salicylate, dimethyl phthalate, or sulfolane.

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