Patent · US Active

Charging member, process cartridge, and electrophotographic apparatus

US8870728B2 · kind B2 · utility

1Cited by

3References

9Claims

0Family size

Assignee

Canon Kabushiki Kaisha · JP

Inventors

Yoko Kuruma · Mishima, JP
Noriaki Kuroda · Soma, JP
Noriko Nagamine · Soma, JP

Key dates

Filing date	Apr 5, 2011
Grant date	Oct 28, 2014
Priority date	—
Expiry date	Apr 5, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G77/14
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Provided are a charging member capable of maintaining excellent wear resistance even after repeated use, and a process cartridge and an electrophotographic apparatus each having the charging member. The charging member is characterized in that its surface layer has a polysiloxane to which a silsesquioxane is bonded.

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