Crystalline nickel chelate of 1-nitroso-2-naphthol and process f

Details Crystalline nickel chelate of 1-nitroso-2-naphthol and process f Crystalline nickel chelate of 1-nitroso-2-naphthol and process f

1977-11-22

1979-04-10

Sneed, Helen M. S.

Compositions: coating or plastic

Materials or ingredients

260439R, C04B 3100

Patent

active

041486676

ABSTRACT:
Pigmentary compositions comprising an anhydrous crystalline, light-stable nickel chelate of 1-nitroso-2-naphthol, from about 0.10 to 1.0 mole, per mole of the nickel chelate, of certain ester plasticizers and from about 0.05 to 1 part, per part of the anhydrous nickel chelate, of certain fatty acids and/or their salts are described. The compositions have improved texture and dispersibility characteristics and are produced by wetting the hydrated nickel chelate of 1-nitroso-2-naphthol in aqueous medium with the plasticizer and fatty acid and/or its salt, isolating the wetted product and then heating the isolated product until dehydration is complete.

REFERENCES:
patent: 2178809 (1939-11-01), Rosenblatt
patent: 2259641 (1941-10-01), Horning
patent: 2726920 (1955-12-01), Federkiel
patent: 3338937 (1967-08-01), Inman
patent: 3338938 (1967-08-01), Matlack
patent: 3751439 (1973-08-01), Putney

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