Polymeric mordant containing nitrogen-coordinating ligand for me

Details Polymeric mordant containing nitrogen-coordinating ligand for me Polymeric mordant containing nitrogen-coordinating ligand for me

1985-10-24

1986-07-08

Schilling, Richard L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

525540, 526258, 526259, 526260, 526261, 526262, 526263, 526241, 528395, 528423, 528424, C08F 2606, C08F 2608, C08F12606, C08F 2612

Patent

active

045993890

ABSTRACT:
Photographic elements and diffusion transfer assemblages described which contain a novel mordant comprising a polymeric backbone having appended thereto nitrogen-coordinating ligands having the formula: ##STR1## wherein D.sup.1, D.sup.2, and D.sup.3 each independently represents the atoms necessary to complete an aromatic heterocyclic nucleus having at least one ring of 5 to 7 atoms.
In a preferred embodiment, the mordant comprises recurring units having the formula: ##STR2## wherein: R.sup.1 and R.sup.2 each independently represents hydrogen or an alkyl or substituted alkyl group having from 1 to about 6 carbon atoms;

REFERENCES:
patent: 4193796 (1980-03-01), Campbell et al.
patent: 4239847 (1980-12-01), Archie et al.
patent: 4282305 (1981-08-01), Brust et al.
patent: 4506001 (1985-03-01), Sakaguchi et al.

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