This text has brought together the wealth of new information in the phthalocyanine field which has been generated since the early 1960s to about 1975. The thrust has been to provide as much topical review and discussion as possible for the 3000 to 4000 references from the journal and patent literature in this time interval, in the attempt to respond of its readers for a ready access to the world literature in the field of phthalocyanine chemistry...