Stabilization with alkali metal acetate material of certain ther

Details Stabilization with alkali metal acetate material of certain ther Stabilization with alkali metal acetate material of certain ther

1976-03-02

1978-07-25

Myers, Jane S.

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

Organic compounds

Carboxylic acid esters

C07C 6750

Patent

active

041030907

ABSTRACT:
Disclosed is the stabilization of thermally unstable, fresh dimethyl terephthalate of at least 99.8 weight % purity, free of alkali metal compound material, and produced by the cooxidation-esterification process. Stabilization is effected by incorporating therein a stabilizing quantity of alkali metal acetate material having no significant concentration of either phosphonic acid moiety or phosphite moiety.

REFERENCES:
patent: 3461153 (1969-08-01), Tholstrup et al.
patent: 3642871 (1972-02-01), Tholstrup et al.

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