Azo-bisanhydride of trimellitic anhydride

Details Azo-bisanhydride of trimellitic anhydride Azo-bisanhydride of trimellitic anhydride

1975-12-22

1977-07-26

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 75R, 260 78R, 260823, C07C10700, C09B 2700, C08G 6312, C08G 6944

Patent

active

040382664

ABSTRACT:
A new azo-bisanhydride made by condensing 2 moles of 4-chloroformylphthalic anhydride (4-mono acid chloride of trimellitic anhydride), 1 mole of hydrazine, and 1 mole of a ketone (acetone) having the formula: ##STR1## Such compounds are useful as dyes and as monomers capable of copolymerizing thus introducing the azo chromophore group into the backbone of a polymer.

REFERENCES:
patent: 3808193 (1974-04-01), Balme et al.

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