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2 323 922

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C1

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IPC

C07C19/41(2006-01-01)

C07C17/395(2006-01-01)

(21) (22)

Application

2007102237/04, 2007-01-23

(24)

Start date

2007-01-23

(22)

Actual filing date

2007-01-23

(45)

Published

2008-05-10

(72)

Inventor

Arapov Oleg Vital'EvichPopov Aleksandr MikhajlovichVlasov Aleksandr Vasil'Evich

(73)

Holder

Zakrytoe Aktsionernoe Obshchestvo Ob"Edinenie Ehkros"Obshchestvo S Ogranichennoj Otvetstvennost'Ju

METHOD FOR TETRACHLOROMETHANE PURIFICATION Russian patent published in 2008 - IPC C07C19/41 C07C17/395 

Abstract RU 2323922 C1

FIELD: chemistry.

SUBSTANCE: according to the said method, chlorine gas solution in liquid tetrachloromethane is exposed to UV radiation in a reactor made of transparent material. Method provides for preparing tetrachlormethane, which contains less than 10 mg/ml of compounds with carbon-hydrogen bonds and double bonds.

EFFECT: elimination of contaminating compounds from tetrachlormethane.

7 cl, 4 ex, 1 tbl

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RU 2 323 922 C1

Authors

Arapov Oleg Vital'Evich

Popov Aleksandr Mikhajlovich

Vlasov Aleksandr Vasil'Evich

Dates

2008-05-10—Published

2007-01-23—Filed

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