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(11)

2 301 791

(13)

(51)

IPC

C07C2/22(2006-01-01)

C07C11/02(2006-01-01)

B01J31/16(2006-01-01)

(21) (22)

Application

2005125352/04, 2005-08-09

(24)

Start date

2005-08-09

(22)

Actual filing date

2005-08-09

(45)

Published

2007-06-27

(72)

Inventor

Saraev Vitalij Vasil'EvichKrajkivskij Petr BogdanovichMatveev Dmitrij AleksandrovichVil'Ms Aleksej IvanovichZelinskij Stanislav Nikolaevich

(73)

Holder

Gou Vpo Irkutskij Gosudarstvennyj Universitet

METHOD OF PRODUCING OLEFIN FRACTION C FROM ETHYLENE Russian patent published in 2007 - IPC C07C2/22 C07C11/02 B01J31/16

Abstract RU 2301791 C2

FIELD: petrochemical processes.

SUBSTANCE: invention relates to catalytic oligomerization of ethylene into C8-olefins, widely used as polyethylene and polypropylene modifiers, as raw materials in production of surfactants and motor fuel additives, and in organic synthesis. Oligomerization is conducted in catalytic system, which is namely nickel(0) complex Ni(PPh₃)₄in combination with boron fluoride etherate (BF₃·OEt₂), styrene, and methyl methacrylate at molar ratios Ni(PPh₃)₄/BF₃·OEt₂/styrene between 1:5:0.5 and 2:0.5:2.

EFFECT: increased yield of desired product.

1 tbl, 4 ex

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RU 2 301 791 C2

Authors

Saraev Vitalij Vasil'Evich

Krajkivskij Petr Bogdanovich

Matveev Dmitrij Aleksandrovich

Vil'Ms Aleksej Ivanovich

Zelinskij Stanislav Nikolaevich

Dates

2007-06-27—Published

2005-08-09—Filed