Fibrous base web bonding system and method
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United States of America Patent
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Nov 5, 1991
Grant Date -
N/A
app pub date -
Jan 3, 1990
filing date -
Jan 3, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A bonded porous sheet material for use in the manufacture of food casing, said material being produced by treating a fibrous web with a thermoplastic film forming material which bonds the fibers of the web and imparts high alkaline strength to the treated wet and subsequently treating the bonded fiber web with a solution of film forming material and an insolubilizing agent for the film forming material.
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