Patenton — panteon of patents

(19)

RU

(11)

2 304 149

(13)

C2

(51)

IPC

C08F10/02(2006-01-01)

C08F2/34(2006-01-01)

C08F2/18(2006-01-01)

C08F4/02(2006-01-01)

C08F4/24(2006-01-01)

C08F4/14(2006-01-01)

(21) (22)

Application

2005123719/04, 2003-12-05

(24)

Start date

2003-12-05

(22)

Actual filing date

2003-12-05

(45)

Published

2007-08-10

(72)

Inventor

Kevin Dzhozef KannMinsjuj ChzhanKhose-Fernando Sevall'Os-KandauDzhon Kh. MurkhausMark G. GudDaniel P. ZilkerMaria Ehjpisetch

(73)

Holder

Junivejshn Tekhnolodzhiz, Lls

PRODUCTION OF POLYETHYLENE WITH A WIDE MOLECULAR MASS DISTRIBUTION Russian patent published in 2007 - IPC C08F10/02 C08F2/34 C08F2/18 C08F4/02 C08F4/24 C08F4/14 

Abstract RU 2304149 C2

FIELD: polymer production.

SUBSTANCE: invention relates to utilization of chromium-based catalysts with aluminosilicate activators and provides a chromium-bearing supported catalyst comprising chromium dioxide, silica, and organoaluminum compound, the layer being added to polymerization reactor in situ.

EFFECT: improved catalytic efficiency and enabled controlling degree of polymer chain branching while simultaneously preserving sufficient productivity level.

14 cl, 36 dwg, 14 tbl, 74 ex

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RU 2 304 149 C2

Authors

Kevin Dzhozef Kann

Minsjuj Chzhan

Khose-Fernando Sevall'Os-Kandau

Dzhon Kh. Murkhaus

Mark G. Gud

Daniel P. Zilker

Maria Ehjpisetch

Dates

2007-08-10—Published

2003-12-05—Filed

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