Food or edible material: processes – compositions – and products – Packaged or wrapped product
Patent
1991-09-19
1993-05-18
Paden, Carolyn
Food or edible material: processes, compositions, and products
Packaged or wrapped product
426131, 426392, 426397, 413 9, 413 10, 413 19, 413 20, 215349, 215363, 215364, 220378, 220304, 217 56, 217 3CV, B65D 100
Patent
active
052119742
ABSTRACT:
A container system for beer formed of a bottle body, a cap and sealing gasket formed of a blend of butyl rubber and one or more thermoplastic polymers. Preferably, the butyl rubber is present in an amount of from about 20 to about 60% by weight of the composition and the one or more thermoplastic polymers are present in an amount from about 40% to about 80% by weight of the composition. The system provides good sealing properties and prevents oxygen, and chlorinated substances such as chlorinated phenols or anisoles, that may be present in the packaging, from entering the bottle.
REFERENCES:
patent: 2823422 (1958-02-01), Schneider
patent: 3498492 (1970-03-01), McCrea
patent: 3705122 (1972-12-01), Gwinner
patent: 4277431 (1981-07-01), Peller
patent: 4316941 (1982-02-01), Eguchi
patent: 4321306 (1982-03-01), Eguchi
patent: 4518336 (1985-05-01), Alieri
patent: 4592690 (1986-06-01), Busch
patent: 4833206 (1989-05-01), Tajima
Harwick 1982 a manual for the Brewing and Beverage Industries chapter 23 Packaging Materials and Beer Quality.
Derwent Publications Abstract, AN-73-269270 of Japanese Patent Application 48014708.
Baker William L.
Hubbard John Dana
Paden Carolyn
W. R. Grace & C.-Conn.
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