Food or edible material: processes – compositions – and products – Packaged or wrapped product – Canned
Patent
1977-03-08
1981-08-11
Smith, William F.
Food or edible material: processes, compositions, and products
Packaged or wrapped product
Canned
220458, B65D 8572
Patent
active
042834287
ABSTRACT:
Metal containers suitable for packaging beer and other beverages have as the internal sanitary liner a film of a water-based coating composition prepared by dissolving or dispersing in aqueous medium an at least partially neutralized reaction product of a polyepoxide having a 1,2-epoxy equivalency greater than 1.0 and an amino acid containing at least one amine group and at least one carboxyl group, wherein the amine groups of the amino acid are preferentially reactive with the epoxy groups of the polyepoxide, and a curing or cross-linking agent. These compositions provide containers with cured liners which do not impart undesirable turbidity or taste characteristics to the beer, soft drinks or fruit juices packaged therein.
REFERENCES:
patent: 3245577 (1966-04-01), Virzi
patent: 3479310 (1969-11-01), Dietrich et al.
patent: 3839252 (1974-10-01), Bosso et al.
patent: 3928156 (1975-12-01), Wismer et al.
patent: 3945952 (1976-03-01), Fujimoto et al.
patent: 3996182 (1976-12-01), Hong et al.
PPG Industries Inc.
Smith William F.
Uhl William J.
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