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2 019 302

(13)

(51)

IPC

(21) (22)

Application

5023236/03, 1991-12-17

(22)

Actual filing date

1991-12-17

(45)

Published

1994-09-15

(72)

Inventor

Рetukhov V.N.Rakhimov М.N.Shaposhnikov G.А.Istomin N.N.Shakhov А.I.Leonovich V.N.Рoljakov В.Ju.

(73)

Holder

Рetukhov Vasilij Nikolaevich

METHOD OF COAL FLOTATION Russian patent published in 1994 - IPC

Abstract RU 2019302 C1

FIELD: concentration of minerals. SUBSTANCE: initial raw is subjected for preliminary pulping, prepared pulp is conditioned with collector and frothing agent following by separation and isolation of fuel mass to the concentrate. The source of collector: technical product from production of polyisobutylene in the form of light oligomers of isobutylene. EFFECT: improved method of coal flotation. 3 tbl

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RU 2 019 302 C1

Authors

Рetukhov V.N.

Rakhimov М.N.

Shaposhnikov G.А.

Istomin N.N.

Shakhov А.I.

Leonovich V.N.

Рoljakov В.Ju.

Dates

1994-09-15—Published

1991-12-17—Filed