Tri or tetradentate metal azo pigment complexes

Details Tri or tetradentate metal azo pigment complexes Tri or tetradentate metal azo pigment complexes

1974-09-20

1976-07-27

Curtis, Allen B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260149, 260150, C09B 4518, C09B 4522

Patent

active

039717399

ABSTRACT:
A tri- or tetradentate metal complex having the formula ##SPC1##
Wherein A is an aryl or heterocyclic residue, B is an aliphatic, aryl or heterocyclic residue, R is an alkyl, cycloalkyl, aryl, aralkyl, or heterocyclic residue or R is the atoms required to complete, together with residue B, a heterocyclic residue, R' is a carbon chain, which may form part of a carbocyclic ring, having from 1 to 3 carbon atoms between the X and Y substituents, X and Y are the same or different and each is O, S, N, CO.sub. 2 or N-R wherein R has its previous significance, M is a Cu, Zn or Ni metal atom, p is 1 or 2 and when p is 1, C is a hydrogen atom attached to one of the residues A, B, R and R' and when p is 2, C is either a direct bond linking two residues A, B, R or R', or C is an alkylene, arylene or alkarylene group linking two residues A, B, R or R', which is useful for pigmenting organic material, preferably lacquer, paint or printing ink.

REFERENCES:
patent: 2839520 (1958-06-01), Neier
patent: 3169123 (1965-02-01), Neier
patent: 3391132 (1968-07-01), Beffa et al.

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