Modified cellulose products by bleaching
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United States of America Patent
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Oct 30, 1984
Grant Date -
N/A
app pub date -
Jun 14, 1983
filing date -
Jun 14, 1983
priority date (Note) -
Expired
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Abstract
Modified cellulose products for use as carrier vehicles in forming cosmetics, pharmaceutical preparations, insecticides, etc. are prepared by treating a minimum weight ratio of about 10:1 of fibrous cellulosic material with an alkali metal or alkaline earth metal hypohalite (e.g. sodium hypochlorite) at a temperature of from about 15.degree. to 60.degree. C. for a period of time sufficient to render the material non-fibrous (i.e. pH drop to about 6 or less), filtering and washing obtain the desired product.
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