Method of producing Betaine compound

Details Method of producing Betaine compound Method of producing Betaine compound

2006-02-28

2006-02-28

Zucker, Paul A. (Department: 1621)

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

Organic compounds

Carboxylic acids and salts thereof

Reexamination Certificate

active

07005543

ABSTRACT:
A process for preparing Anhydrous Betaine and Betaine Hydrochloride comprises treating a chloroacetic acid with sodium carbonate, and then dropping liquid trimethylamine to obtain Betaine products, wherein ion exchange resin and decompression process are utilized to assure the product having high purity and yield rate.

REFERENCES:
patent: 5696287 (1997-12-01), Bellis

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