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2 070 205

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IPC

(21) (22)

Application

4908461/04, 1991-02-04

(22)

Actual filing date

1991-02-04

(45)

Published

1996-12-10

(72)

Inventor

Mushina E.A.Gabutdinov M.S.Gavrilenko I.F.Frolov V.M.Krentsel' B.A.Jusupov N.Kh.Cherevin V.F.Vakhbrejt A.Z.Solodjankin S.A.Medvedeva Ch.B.Makhina T.K.

(73)

Holder

Institut Neftekhimicheskogo Sinteza Im.A.V.Topchieva RanKazanskoe Aktsionernoe Obshchestvo Otkrytogo Tipa Sintez"

PROCESS FOR PREPARING BIFUNCTIONAL ETHYLENE POLYMERIZATION CATALYST Russian patent published in 1996 - IPC

Abstract RU 2070205 C1

FIELD: chemical industry. SUBSTANCE: claimed process comprises applying titanium tetrachloride fixed on magnesium dichloride and compound of formula: (i-C₄H₉)RnNiCl•Al(i-C₄H₉)₂Cl wherein R is butadiene, isoprene or allen and n is 3-10. Titanium to nickel atomic ratios are 0.34-6.20 and titanium to magnesium atomic ratios are 0.03-0.40. Titanium content is 0.07-1.00% based on 100% silicon dioxide. EFFECT: more efficient preparation process. 3 tbl

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RU 2 070 205 C1

Authors

Mushina E.A.

Gabutdinov M.S.

Gavrilenko I.F.

Frolov V.M.

Krentsel' B.A.

Jusupov N.Kh.

Cherevin V.F.

Vakhbrejt A.Z.

Solodjankin S.A.

Medvedeva Ch.B.

Makhina T.K.

Dates

1996-12-10—Published

1991-02-04—Filed