C - Chemistry – Metallurgy – 09 – B
Patent
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
Bailey Frank C.
Law Kock-Yee
Sim & Mcburney
Xerox Corporation
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