Methine compounds containing ester group

Details Methine compounds containing ester group Methine compounds containing ester group

1989-12-20

1991-12-24

Brust, Joseph Paul

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

560 24, 560 25, 560 27, 560 43, 560 44, C07C21568, C07C21776, C07C21932

Patent

active

050754912

ABSTRACT:
A composition useful for incorporation into polymer compositions employed for food packaging or the like comprising a bis- or tris-methine compound having the structural formula ##STR1## wherein A is selected from the radicals ##STR2## wherein R' and R" are each selected from chlorine, bromine, fluorine, alkyl, alkoxy, aryl, aryloxy and arylthio;

REFERENCES:
patent: 3634320 (1972-01-01), Metaner et al.
patent: 4338247 (1982-07-01), Zannucci et al.
"Plastics Additives Handbook" (1985), edited by Gacher et al., pp. 128-134, Hanser Publishers-Minuch, Vienna, N.Y.

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