Modified cellulose products by bleaching

Details Modified cellulose products by bleaching Modified cellulose products by bleaching

1983-06-14

1984-10-30

Griffin, Ronald W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

8108A, 8108R, 162 66, 162 87, 424362, C08B 100, A61K 920, D21C 910

Patent

active

044800894

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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patent: 3992250 (1976-11-01), Chaudhuri et al.
patent: 4081317 (1978-03-01), Gall et al.
patent: 4236891 (1980-12-01), Scardera et al.
patent: 4269859 (1981-05-01), Morse

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