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Current content: 158 251 954 patent documents

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170 720 new documents added

1 828 765 documents amended

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EP 0220489 B1 19900411 - ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR

Title (en)

ELECTROPHOTOGRAPHIC PHOTOCONDUCTOR

Publication

EP 0220489 B1 19900411 (EN)

Application

EP 86113052 A 19860923

Priority

US 79185585 A 19851028

Abstract (en)

[origin: EP0220489A1] An electrophotographic photoconductor having a squaric acid methine dye charge generation layer (CGL) which is coated onto an electrically conductive ground plane which exhibits electrical barrier layer properties, to thereby provide a photoconductor having improved dark decay and dark fatigue over a wide range of environmental conditions.

IPC 1-7

G03G 5/06; G03G 5/09; G03G 5/10; G03G 5/14

IPC 8 full level

G03G 5/14 (2006.01); G03G 5/06 (2006.01)

CPC (source: EP)

G03G 5/0611 (2013.01); G03G 5/0666 (2013.01)

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

EP 0220489 A1 19870506; EP 0220489 B1 19900411; DE 3670383 D1 19900517; JP S62102250 A 19870512

DOCDB simple family (application)

EP 86113052 A 19860923; DE 3670383 T 19860923; JP 20979686 A 19860908