C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
260/155
C09B 29/00 (2006.01) C09B 41/00 (2006.01) C09B 45/00 (2006.01) C09B 63/00 (2006.01)
Patent
CA 1204737
Abstract of the Disclosure Production of Azo Compounds The invention provides a continuous process for the production of azo compounds, wherein the coupling including laking of metal salt pigments or precipitating of soluble azo compounds is carried out in a multicompartment mixer, wherein the residence time in the first compartment is from 5 to 200 seconds. The diazo compound may also be made continuously using a multicompartment mixer.
438667
Mcmahon Barry J.
Miller Horace V.
Morris David J.
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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