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2 558 143

(13)

(51)

IPC

H01F1/28(2006-01-01)

(21) (22)

Application

2014113778/04, 2014-04-08

(24)

Start date

2014-04-08

(22)

Actual filing date

2014-04-08

(45)

Published

2015-07-27

(72)

Inventor

Aref'Ev Igor' MikhajlovichAref'Eva Tat'Jana Al'Bertovna

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Ehnergeticheskij Universitet Imeni V.I. Lenina"

DRY CONCENTRATE OF MAGNETIC LIQUID AND METHOD FOR PRODUCTION THEREOF Russian patent published in 2015 - IPC H01F1/28

Abstract RU 2558143 C1

FIELD: chemistry.

SUBSTANCE: sulphinic acid is used as surfactant with the following ratio of components, wt %: fine particles of iron-bearing oxide compound 70-90, benzene sulphinic acid - the balance.

EFFECT: obtaining a dry concentrate of a magnetic liquid with a long shelf life.

2 cl, 3 tbl, 1 ex

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RU 2 558 143 C1

Authors

Aref'Ev Igor' Mikhajlovich

Aref'Eva Tat'Jana Al'Bertovna

Dates

2015-07-27—Published

2014-04-08—Filed