Patent classifications
G
PHYSICS
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G03
PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
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G03G
ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
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5/00
Recording-members for original recording by exposure, e.g. to light, to heat or to electrons; Manufacture thereof; Selection of materials therefor
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G03G5/04
Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
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G03G5/06
characterised by the photoconductive material being organic
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G03G5/07
Polymeric photoconductive materials
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G03G5/075
obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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G03G5/076
having a photoconductive moiety in the polymer backbone
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G03G5/076

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC APPARATUS, AND METHOD OF PRODUCING ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER
20230408938 · 2023-12-21 ·

An electrophotographic photosensitive member that shows stable sensitivity even when repeatedly used. The electrophotographic photosensitive member is an electrophotographic photosensitive member including a support, an undercoat layer, a charge generating layer, and a charge transporting layer in the stated order, wherein the undercoat layer contains two kinds of electron transporting substances.

ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, AND ELECTROPHOTOGRAPHIC APPARATUS
20240345495 · 2024-10-17 ·

Provided is an electrophotographic photosensitive member including in this order: a support; an electron-transporting layer; a charge-generating layer; and a hole-transporting layer, wherein the electron-transporting layer comprises a polymer having a specific structural unit, and wherein the polymer has a glass transition temperature Tg of ?10 to 50? C.