Patent · US Expired

Electrophotographic material

US3932418A · kind A · utility

3Cited by

3References

2Claims

0Family size

Assignee

Agfa-Gevaert NV · BE

Inventors

Wilhelmus Janssens · Aarschot, BE
Johannes Josephus Vanheertum · Zandhoven, BE
Robert Joseph Pollett · Vremde, BE
Hendrik Sneyers · Wijnegem, BE
Jozef Aime Dierckx · Hove, BE

Key dates

Filing date	Oct 18, 1973
Grant date	Jan 13, 1976
Priority date	—
Expiry date	Oct 18, 1993

Classification

Technology area (CPC G)Physics
CPC primaryG03G5/0661
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Electrophotographical recording process wherein a pattern of increased conductivity is produced image-wise in a photoconductive insulating recording layer containing as essential photoconductive compound a photoconductive 1,2,3,4-tetrahydroquinoline. The photoconductive compound can be chemically and spectrally sensitized and charged either negatively or positively.

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