Storage stable water-dilutable acid adducted epoxy based coating

Food or edible material: processes – compositions – and products – Packaged or wrapped product – Canned

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215 1C, 426106, 426398, 428 35, 428418, 428413, 523456, 523402, 528104, 5281115, 528115, A21D 1002

Patent

active

044130155

ABSTRACT:
A resin is provided which is the adduct of a monocarboxylic acid and a diglycidyl ether of a bisphenol, or of a monocarboxylic acid, a bisphenol, and a diglycidyl ether of a bisphenol, reacted with an anhydride to an Acid No. of 35 to 150. This resin is solubilized with a volatile amine, ammonia, or NH.sub.4 OH in a solvent mixture of water, alkoxyethanols, alcohols, and alkyl ethers of diethylene glycol and combined with an aminoplast to produce a coating composition utilizable to coat surfaces that will contact a food or beverage, such as in metal packaging containers.

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patent: 3661818 (1972-05-01), Guldenpfennig
patent: 3720648 (1973-03-01), Guldenpfennig
patent: 3840483 (1974-10-01), Guldenpfennig
patent: 3888808 (1975-06-01), Downs et al.
patent: 4098735 (1978-07-01), Tobias
patent: 4105614 (1978-08-01), Davis et al.
patent: 4151305 (1979-04-01), Davis et al.

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