04088507 is referenced by 17 patents and cites 2 patents.

A copper phthalocyanine pigment composition consisting essentially of 100 parts by weight of copper phthalocyanine and 0.5 - 30 parts by weight of a copper phthalocyanine derivative having the following formula ##STR1## WHEREIN Cu--Pc-- is the residue of copper phthalocyanine, m and n are each an integer of 1 - 4, and R.sub.1 and R.sub.2 are each a substituted or non-substituted alkyl group or a heterocyclic group containing the nitrogen atom appearing in the formula.

Title
Phthalocyanine pigment compositions
Application Number
5/791279
Publication Number
4088507
Application Date
April 27, 1977
Publication Date
May 9, 1978
Inventor
Akimitsu Suzuki
Tokyo
JA
Keniti Tokuda
Tokyo
JA
Sengo Ishizuka
Tokyo
JA
Tuneo Tanaka
Tokyo
JA
Agent
Frank J Jordan
Assignee
Toyo Ink Manufacturing
JA
IPC
C08K 5/00
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