Process for the manufacture of aqueous solutions of unsaturated

Details Process for the manufacture of aqueous solutions of unsaturated Process for the manufacture of aqueous solutions of unsaturated

1997-07-08

1999-07-06

Gerstl, Robert

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

Organic compounds

Carboxylic acid esters

C07C 6952

Patent

active

059199741

ABSTRACT:
Process for the manufacture of an aqueous solution of the unsaturated quaternary ammonium salt corresponding to the following formula (I): ##STR1## by reaction, under pressure and in the presence of water, of N,N-dimethylaminoethyl methacrylate with CH.sub.3 --Cl, characterized in that it is carried out in the presence of the pentasodium salt of diethylenetriaminepentaacetic acid.

REFERENCES:
Patent Abstracts of Japan, vol. 7, No. 118 (C-167), JP 58037058, May 21, 1983.
Patent Abstracts of Japan, vol. 6, No. 202 (C-129), JP 57109747, Oct. 13, 1982.
Patent Abstracts of Japan, vol. 18, No. 97 (C-1167), JP 5295011, Feb. 17, 1994.
Patent Abstracts of Japan, vol. 6, No. 202 (C-129), JP 57109749, Oct. 13, 1982.
Database WPI, Section Ch, Wk. 7643, Abstract No. 76-80482X, Sep. 12, 1976.

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