Closure material for sealing glass containers
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United States of America Patent
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Aug 11, 1987
Grant Date -
N/A
app pub date -
Feb 22, 1985
filing date -
Feb 24, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A closure material for sealing glass containers comprising a metal foil and a thermally adhesive composition layer formed on one surface of the metal foil and comprising a carboxyl-modified saponified product of ethylene-vinyl acetate copolymer and up to 30 parts by weight of an inorganic compound per 100 parts by weight of the carboxyl-modified saponified product, the carboxyl-modified saponified product being prepared by graft-polymerizing a carboxylic acid group-containing unsaturated compound with a saponified product of ethylene-vinyl acetate copolymer containing 50 to 97 mole % of ethylene.
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