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2 519 194

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IPC

C01B35/06(2006-01-01)

C01D15/00(2006-01-01)

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Application

2012129445/05, 2012-07-11

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Start date

2012-07-11

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Actual filing date

2012-07-11

(45)

Published

2014-06-10

(72)

Inventor

Makarov Grigorij MikhajlovichKhotinen Aleksandr VladimirovichVoronin Evgenij KonstantinovichAkhtjamov Oskar ZufarovichShchelyvanov Evgenij Jur'EvichVoronin Aleksandr Evgen'Evich

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo

METHOD OF OBTAINING LITHIUM TETRAFLUOROBORATE Russian patent published in 2014 - IPC C01B35/06 C01D15/00

Abstract RU 2519194 C2

FIELD: chemistry.

SUBSTANCE: invention can be used in chemical industry. Method of obtaining lithium tetrafluoroborate includes addition of lithium borohydrate in tetrahydrofuran into liquid hydrogen fluoride at temperature (-57)-(-53)°C. Solvent is removed in vacuum at temperature 100-105°C. Reaction mass is kept at said temperature for 4 hours with residual pressure 0.03 mm Hg.

EFFECT: invention makes it possible to increase output of target product and its purity.

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RU 2 519 194 C2

Authors

Makarov Grigorij Mikhajlovich

Khotinen Aleksandr Vladimirovich

Voronin Evgenij Konstantinovich

Akhtjamov Oskar Zufarovich

Shchelyvanov Evgenij Jur'Evich

Voronin Aleksandr Evgen'Evich

Dates

2014-06-10—Published

2012-07-11—Filed