U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Electrophotographic light-sensitive material comprising a charge-generating material and a charge-transporting material

Patent 4469768 Issued on September 4, 1984. Estimated Expiration Date: Icon_subject June 14, 2002. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

3719480

Electrophotographic copying process
Patent #: 3982935
Issued on: 09/28/1976
Inventor: Bartlett ,   et al.

Photoconductive insulating compositions including polyaryl hydrocarbon photoconductors
Patent #: 4105447
Issued on: 08/08/1978
Inventor: Fox

Photosensitive medium for electrophotography having a cyanine photoconductive pigment
Patent #: 4264694
Issued on: 04/28/1981
Inventor: Pu ,   et al.

Complex type electrophotographic plate Patent #: 4346157
Issued on: 08/24/1982
Inventor: Kakuta ,   et al.

Inventors

Application

No. 06/388369 filed on 06/14/1982

US Classes:

430/59.1, And specified charge generator layer430/77, Additional diverse ring hetero atom in the hetero ring430/78, Polycyclo ring system having the hetero ring as one of the cyclo systems548/120, The five-membered hetero ring contains ring selenium and is one of the cyclos in a polycyclo ring system548/159, Additional polycyclo heterocyclic ring system containing548/193, Chalcogen attached indirectly to the thiazole ring by nonionic bonding548/228, Chalcogen bonded directly at 5-position of the oxazole ring548/237One double bond between the ring members of the oxazole ring

Examiners

Primary: Kittle, John E.
Assistant: Goodrow, John

Attorney, Agent or Firm

International Class

G03G 5/06 (20060101)

Foreign Application Priority Data

1981-06-12 JP

Abstract

An electrophotographic light-sensitive material with an electrophotographic light-sensitive layer containing a charge-generating material and a charge-transporting material is described.The material is characterized in that the charge-generating material is a compound represented by the general formula (I) or (II): ##STR1## (wherein the symbols are the same as defined in the claims).

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