AQUEOUS SOLUTIONS CONTAINING A COMPLEXING AGENT IN HIGH CONCENTRATION Russian patent published in 2018 - IPC C11D3/33 C11D3/30 C11D3/37 C11D1/02 

Abstract RU 2656211 C2

FIELD: chemistry.

SUBSTANCE: invention relates to an aqueous solution for storage or transportation. Aqueous solution is described, comprising (A) in the range of from 30 to 60 % by weight of a complexing agent, selected from sodium salts of methyl glycine diacetic acid, comprising (B) in the range of from 700 parts per million to 7 % by weight of a polymer, selected from polyethyleneimines, alkylated with CH2COOH groups, partially or completely neutralized with Na+, where parts per million and percentages are given in relation to the total respective aqueous solution.

EFFECT: storage or transportation.

9 cl

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RU 2 656 211 C2

Authors

Bil Markus Kristian

Grajndl Tomas

Khartmann Markus

Shtaffel Volfgang

Rejnoso Garsia Marta

Dates

2018-06-01Published

2014-05-13Filed