Starch bound paper
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United States of America Patent
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-
Mar 29, 1983
Grant Date -
N/A
app pub date -
Oct 10, 1980
filing date -
Oct 19, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Non-asbestos alternatives to starch-bound asbestos papers comprise a matrix of unfired ball clay which is reinforced by vitreous fibres derived from wool-form materials and by organic web-forming fibres, the whole being bound together by hydrolysed starch.
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