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2 288 938

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(51)

IPC

C10C3/04(2006-01-01)

C10C1/16(2006-01-01)

(21) (22)

Application

2005131099/04, 2005-10-10

(24)

Start date

2005-10-10

(22)

Actual filing date

2005-10-10

(45)

Published

2006-12-10

(72)

Inventor

Frizorger Vladimir KonstantinovichMann Viktor Khrist'JanovichAnushenkov Aleksandr NikolaevichKhramenko Sergej Andreevich

(73)

Holder

Obshchestvo S Ogranichennoj Otvetstvennost'Ju Tsentr"

METHOD OF PREPARING BINDING PITCH FOR ELECTRODE MATERIALS Russian patent published in 2006 - IPC C10C3/04 C10C1/16

Abstract RU 2288938 C1

FIELD: electrode industry.

SUBSTANCE: coal pitch or mixture thereof with coal resin fractions is treated by hydropercussion and cavitation pulses in air atmosphere at temperatures no higher than 240°C for no more than 1 h and frequency of hydropercussion/cavitation pulses up to 4500 pulse/sec. Product is characterized by high level of α-olefins.

EFFECT: lowered preparation temperature and reduced yield of volatile substances.

2 cl, 1 dwg, 2 tbl, 2 ex

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RU 2 288 938 C1

Authors

Frizorger Vladimir Konstantinovich

Mann Viktor Khrist'Janovich

Anushenkov Aleksandr Nikolaevich

Khramenko Sergej Andreevich

Dates

2006-12-10—Published

2005-10-10—Filed