03932454 is referenced by 6 patents and cites 1 patents.

A process for the preparation of substantially hexagonal crystals of metal-free alpha phthalocyanine, said crystals ranging in size from about 1 micron to about 75 microns is disclosed. Photoelectrophoretic and manifold processes employing said crystals are also disclosed.

Title
Process of making hexagonal alpha metal-free phthalocyanine
Application Number
846262
Publication Number
3932454
Application Date
August 7, 1973
Publication Date
January 13, 1976
Inventor
Ray H Luebbe Jr
Rochester
NY, US
Agent
A W Karambelas
D C Kalasch
J J Ralabate
Assignee
Xerox Corporation
CT, US
IPC
C09B 47/08
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