Document Type and Number:
Japanese Patent JPS4943395
Kind Code:
B1
Abstract:
1325998 Saponified graft polymers GRAIN PROCESSING CORP 21 April 1971 [18 May 1970] 10540/71 Heading C3G [Also in Division A5] A starch-polyacrylonitrile or starch-polymethacrylonitrile graft polymer is saponified in an aqueous medium containing a C 1 to C 5 - alkanol to yield a water-insoluble alkali metal carboxylate salt of said graft polymer. In examples, saponification is carried out in aqueous methanolic-sodium or potassium hydroxide solution or ethanolic-potassium hydroxide solution.
Application Number:
JP3256071A
Publication Date:
November 20, 1974
Filing Date:
May 17, 1971
Export Citation:
International Classes:
A23L3/40; A61L15/60; C08B31/00; C08F8/00; C08F251/00; (IPC1-7): C08F27/14; A47C21/08; A61F13/00; C08B19/04; C09K3/00
Other References:
EUROPIAN POLYMER JOURNAL=1969