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2 030 436

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C1

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IPC

(21) (22)

Application

4856244/04, 1990-07-02

(22)

Actual filing date

1990-07-02

(45)

Published

1995-03-10

(72)

Inventor

Markov Viktor Vasil'Evich[Ua]Svetlichnyj Ivan Fedorovich[Ua]Prikhod'Ko Ehduard Aleksandrovich[Ua]Tikhonenko Vitalij Aleksandrovich[Ua]Gurtovnik Petr Frojmovich[Ua]

(73)

Holder

Proizvodstvennyj Kooperativ Obosnovannaja Khimicheskaja Tekhnologija"

METHOD OF COAL TAR FRACTIONS TREATMENT FROM QUINOLINE BASES Russian patent published in 1995 - IPC

Abstract RU 2030436 C1

FIELD: coal chemistry. SUBSTANCE: fraction of coal tar is subjected for extraction with sulfuric acid aqueous solution (concentration is 20-30 wt.-% ) containing ammonium sulfate (30-40 wt.-%). EFFECT: improved method of coal tar treatment. 2 tbl

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RU 2 030 436 C1

Authors

Markov Viktor Vasil'Evich[Ua]

Svetlichnyj Ivan Fedorovich[Ua]

Prikhod'Ko Ehduard Aleksandrovich[Ua]

Tikhonenko Vitalij Aleksandrovich[Ua]

Gurtovnik Petr Frojmovich[Ua]

Dates

1995-03-10—Published

1990-07-02—Filed

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