04948884 is referenced by 6 patents and cites 5 patents.

Provided according to this invention is a process for the halogenation of copper phthalocyanine in titanium tetrachloride in the presence of aluminum chloride, which comprises preliminarily stirring both a part or all of the aluminum chloride and the copper phthalocyanine in titanium tetrachloride at not less than 50.degree. C. and carrying out the halogenation reaction, provided that when the part of the aluminum chloride is added for the preliminary stirring, the remaining portion of the aluminum chloride is added during the halogenation reaction.

Title
Process for the halogenation of copper phthalocyanine
Application Number
7/353330
Publication Number
4948884
Application Date
May 16, 1989
Publication Date
August 14, 1990
Inventor
Michichika Hikosaka
Tokyo
JP
Toshiro Notoji
Tokyo
JP
Masami Shirao
Tokyo
JP
Junichi Tsuchida
Tokyo
JP
Yoshiyuki Nonaka
Tokyo
JP
Agent
Wenderoth Lind & Ponack
Assignee
Toyo Ink Manufacturing
JP
IPC
C09B 47/04
C07D 487/22
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