Title:
ELECTROPHOTOGRAPHIC PHOTORECEPTORS
Document Type and Number:
WIPO Patent Application WO/2001/050199
Kind Code:
A1
Abstract:
Electrophotographic photoreceptors containing a charge generator composition comprising both a sandwich-type metal bisphthalocyanine compound of the general formula (I) Pc=M1=Pc; having a primary particle diameter of 1$g(m) µ or below and a phthalocyanine charge generator of the general formula (II): M2=Pc; wherein Pc is a phthalocyanine residue of the general formula (III); R¿1? to R¿16? are each hydrogen, halogeno, nitro, alkyl, or alkoxy; and M1 and M2 each represent a hydrogen or metal atom bonded to the center of a phthalocyanine residue, M1 being an atom selected from among Ti, Zr, Sn, Ge, and lanthanides, and M2 being hydrogen (H2), Cu, or Al, or alternatively a Ti, V, Zr, Ge, Ga or In atom to which oxygen, halogen, hydroxyl, or the like is bonded.
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Inventors:
TAMURA SHINICHI (JP)
Application Number:
PCT/JP2000/009208
Publication Date:
July 12, 2001
Filing Date:
December 25, 2000
Export Citation:
Assignee:
TAMURA SHINICHI (JP)
International Classes:
C09B47/08; G03G5/06; (IPC1-7): G03G5/06
Foreign References:
| JPH04184452A | 1992-07-01 | |||
| JPH04184454A | 1992-07-01 | |||
| JPH05346672A | 1993-12-27 | |||
| EP0798346A2 | 1997-10-01 | |||
| JP2000284513A | 2000-10-13 | |||
| EP1004634A2 | 2000-05-31 | |||
| JP2000212462A | 2000-08-02 | |||
| JPS6095441A | 1985-05-28 | |||
| EP0401782A2 | 1990-12-12 |
Attorney, Agent or Firm:
Sano, Souichirou (Higashiyama 1-chome Meguro-ku Tokyo, JP)
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