Process for the preparation of mixed 2,2'-oxydisuccinate/carboxy

Details Process for the preparation of mixed 2,2'-oxydisuccinate/carboxy Process for the preparation of mixed 2,2'-oxydisuccinate/carboxy

1989-12-06

1991-07-09

Killos, Paul J.

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

Organic compounds

Carboxylic acids and salts thereof

C07C 5100

Patent

active

050307517

ABSTRACT:
A process for the preparation of mixed salts of oxydissuccinate/carboxymethyloxysuccinate is disclosed, which process comprises adding glycolic acid to an aqueous mixture obtained from a 2,2'-oxydisuccinate forming reaction. The mixed oxydisuccinate carboxymethyloxysuccinate salts are obtained in high yields and can be used as detergent builder in cleaning compositions.

REFERENCES:
patent: 3128287 (1964-04-01), Berg et al.
patent: 3635830 (1972-01-01), Lamberti et al.
patent: 3692685 (1972-09-01), Lamberti et al.
patent: 3821296 (1974-06-01), Blumbergs
patent: 3914297 (1975-10-01), Lamberti et al.
patent: 4243820 (1981-01-01), Lamberti et al.
patent: 4798907 (1989-01-01), MacBrair et al.

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