Process for squaraine compositions

Details Process for squaraine compositions Process for squaraine compositions

C - Chemistry, Metallurgy

09

B

260/597.7

C09B 57/00 (2006.01) G03G 5/06 (2006.01)

Patent

CA 1225662

ABSTRACT This invention relates to an improved process for the preparation of squaraine compositions which comprises reacting a dialkyl squarate, with an aniline, in the presence of an acid and an aliphatic alcohol, at a temperature of from about 60 degrees Centigrade to 160 degrees Centigrade.

467650

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