C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
6/197, 260/164.6
C09B 35/20 (2006.01) C09B 35/10 (2006.01) C09B 67/22 (2006.01) C09B 69/10 (2006.01) C09D 11/02 (2006.01) D06P 1/04 (2006.01)
Patent
CA 1254555
AZOACYLACETAMIDE DISPERSING AGENTS AND AZO-PIGMENT COMPOSITIONS . Abstract This invention is directed to new azoacylacetamide dis- persing agents for azo pigments and azo pigment com- positions made therefrom. The pigment compositions of this invention comprise a mixture of dispersing agents which are represented below by abbreviated formula I and pigments which are represented by the abbreviated for- mula II, wherein said dispersing agents are present in an amount of 1 - 25 % and said pigments are present in an amount of 99 to 75 %: FORMULA I Image FORMULA II Image in which A is a phenyl optionally substituted by methyl, methoxy, ethoxy or chloro, B is 4,4-bisazo-1,1-diphenyl optionally substituted at each phenyl by chloro, methoxy or ethoxy and D is a polyamino substituent containing at least three nitrogen atoms.
502532
Fetherstonhaugh & Co.
Hoechst Celanese Corporation
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