Stabilization of alkali polysaccharides

Details Stabilization of alkali polysaccharides Stabilization of alkali polysaccharides

1982-03-23

1983-05-17

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

536 57, 536 84, 536102, 536114, 536121, C08B 106, C08B 108

Patent

active

043841139

ABSTRACT:
Improved basic polysaccharides are prepared by contacting a polysaccharide with a tetravalent onium salt such as tetramethylammonium chloride prior to contacting it with a strong base such as sodium hydroxide. Polysaccharide derivatives having a greater degree and uniformity of substitution are prepared from such improved basic polysaccharides.

REFERENCES:
patent: 3873518 (1975-03-01), Strange et al.
patent: 4015067 (1977-03-01), Liu et al.
patent: 4250305 (1981-02-01), Saito et al.
patent: 4254258 (1981-03-01), Durso

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