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2 014 315

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(51)

IPC

(21) (22)

Application

4895841/04, 1991-06-21

(22)

Actual filing date

1991-06-21

(45)

Published

1994-06-15

(72)

Inventor

Dzhuzeppe Bellussi[It]Fabritsio Kavani[It]Virdzhinio Arrigoni[It]Roberto Getstsi[It]

(73)

Holder

Ehniricherke S.P.A.Ehnikem Sintezis S.P.A.Snamprogetti S.P.A.

METHOD FOR OLIGOMERIZATION OF PROPYLENE Russian patent published in 1994 - IPC

Abstract RU 2014315 C1

FIELD: organic chemistry. SUBSTANCE: oligomerization is carried out in the presence of roentgenographically amorphous aluminosilica gel having mass ratio of silicium dioxide and aluminium oxide 30:1-500:1, area of its surface being 500-100 m/g. Total volume of catalyst's pores is 0.3-0.6 ml/g, its average diameter is 10 or less; open or mainly open pores have diameter more 30. The process is carried out at 100-250 C and pressure 10-70 atm. EFFECT: improves efficiency of the method. 4 cl

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RU 2 014 315 C1

Authors

Dzhuzeppe Bellussi[It]

Fabritsio Kavani[It]

Virdzhinio Arrigoni[It]

Roberto Getstsi[It]

Dates

1994-06-15—Published

1991-06-21—Filed