Process for making starch ethers

Details Process for making starch ethers Process for making starch ethers

1989-03-08

1990-03-06

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

536120, C08B 3108, C07H 1504

Patent

active

049067451

ABSTRACT:
A process for the dry etherification of granular starch is disclosed. The process is carried out in the presence of an alkaline catalyst and water, and in the presence of an organic acid in the solid state, which organic acid has a solubility at 25.degree. C. ranging from 0.2 to 5 g in 100 g water. Examples of suitable organic acids are fumaric acid and adipic acid.

REFERENCES:
patent: 4663159 (1987-05-01), Brode, II et al.
patent: 4801699 (1989-01-01), Jobe et al.

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