Bis(trialkylsiloxy)silicon naphthalocyanine compounds wherein al

Details Bis(trialkylsiloxy)silicon naphthalocyanine compounds wherein al Bis(trialkylsiloxy)silicon naphthalocyanine compounds wherein al

1993-06-10

1995-06-27

Shah, Munkund J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

430 78, C07D20956, G03C 172

Patent

active

054281520

ABSTRACT:
Disclosed are naphthalocyanine compounds having siloxy groups bonded to a central metal silicon. The compounds can be used as a charge generating substance of an electrophotographic plate having high sensitivity to the longer wavelength light of about 800 nm without conducting a special treatment. The naphthalocyanine compounds are represented by the formula: ##STR1## wherein L is a group of the formula R.sub.1 R.sub.2 R.sub.3 SiO--, and R.sub.1, R.sub.2 and R.sub.3 are each a same alkyl group having 1-3 carbon atoms.

REFERENCES:
patent: 4725525 (1988-02-01), Kenney et al.
patent: 5081236 (1992-01-01), Hayashida et al.

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