METHOD OF MINERAL SALT DEPOSITION INHIBITOR PREPARING Russian patent published in 1994 - IPC

Abstract RU 2017746 C1

FIELD: chemical technology. SUBSTANCE: oxyethylidenediphosphonic acid is dissolved in water, solution prepared is mixed with high-boiling fraction M-1 on the basis of diethylene glycol and amine-containing resin at mass ratio of oxyethylidenediphosphonic acid and M-1 1:(1.5-2.5). Product formed is treated with ammonium hydroxide taken at concentration for neutralization of reaction mass. EFFECT: improved method of inhibitor preparing. 1 tbl

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RU 2 017 746 C1

Authors

Bikchantaeva N.V.

Shegidevich G.A.

Aleshkina I.V.

Koltysheva T.N.

Monakhova N.V.

Dates

1994-08-15—Published

1992-01-21—Filed