Patent · US Active

Charge roller

US10534282B2 · kind B2 · utility

0Cited by

5References

13Claims

0Family size

Assignee

HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. · US

Inventors

Yi Feng · San Diego, US
Stanley J. Kozmiski · Escondido, US
Shao-Wei Li · San Diego, US

Key dates

Filing date	Mar 1, 2012
Grant date	Jan 14, 2020
Priority date	—
Expiry date	Dec 16, 2033

Classification

Technology area (CPC G)Physics
CPC primaryG03G15/10
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The present disclosure discloses a charge roller (1) particularly but not exclusively for charging a photoconductor in a liquid electro-photograph (LEP) image-forming apparatus. The charge roller includes a cured composition of an epichlorohydrin/ethylene oxide/allyl glycidyl ether terpolymer, a lithium salt and carbon black.

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