Novel phthalocyanine pigments and electrophotographic uses there

Details Novel phthalocyanine pigments and electrophotographic uses there Novel phthalocyanine pigments and electrophotographic uses there

1980-10-06

1982-01-19

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Electrophoretic imaging, process, composition, or product

430 39, 430 46, 430 78, 430106, 430119, 430120, G03G 504, G03G 900

Patent

active

043117759

ABSTRACT:
Novel phthalocyanine pigments having the structure: ##STR1## wherein: R.sub.1 represents ##STR2## n represents 1, 2, 3 or any combination of 1, 2 and 3. R.sub.2, R.sub.3, R.sub.4 and R.sub.5 represent alkyl, alkylaryl, alkoxy, alkoxyaryl, cycloalkyl, aryl, aralkyl or aryloxy;

REFERENCES:
patent: 3932454 (1976-01-01), Luebbe, Jr.
patent: 4142890 (1979-03-01), Bloom et al.
patent: 4256819 (1981-03-01), Webster et al.

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