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2 074 175

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C1

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IPC

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Application

94007041/04, 1994-03-11

(22)

Actual filing date

1994-03-11

(45)

Published

1997-02-27

(72)

Inventor

Laskorin Boris NikolaevichLomonosov Anatolij VladimirovichMirokhin Aleksandr MikhajlovichRuzin Leonid IvanovichShulenina Zinaida MakarovnaAnufrieva Svetlana Ivanovna

(73)

Holder

Laskorin Boris NikolaevichLomonosov Anatolij VladimirovichMirokhin Aleksandr MikhajlovichRuzin Leonid IvanovichShulenina Zinaida MakarovnaAnufrieva Svetlana Ivanovna

METHOD FOR PRODUCTION OF EXTRAGENT FOR NON-FERROUS, RARE AND HEAVY METALS Russian patent published in 1997 - IPC

Abstract RU 2074175 C1

FIELD: production of extragents. SUBSTANCE: alkyl phenol is used as reagent 1, lower alcohol is used as reagent 2, salt of hydroxyl amine being used as reagent 3. Condensation and oximation are carried out in the same medium in the presence of couple of solvents. Lower alcohol aromatic or chloraromatic hydrocarbon is used as said couple. EFFECT: improves efficiency of the method. 2 cl, 1 tbl

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RU 2 074 175 C1

Authors

Laskorin Boris Nikolaevich

Lomonosov Anatolij Vladimirovich

Mirokhin Aleksandr Mikhajlovich

Ruzin Leonid Ivanovich

Shulenina Zinaida Makarovna

Anufrieva Svetlana Ivanovna

Dates

1997-02-27—Published

1994-03-11—Filed

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