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2 255 081

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IPC

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Application

2004107975/04, 2004-03-18

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Start date

2004-03-18

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Actual filing date

2004-03-18

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Published

2005-06-27

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Inventor

Busygin V.M.Gil'Manov Kh.Kh.Mal'Tsev L.V.Gil'Mutdinov N.R.Zijatdinov A.Sh.Khisaev R.Sh.Sofronova O.V.Nazmieva I.F.Galimov R.Kh.Shakirov Sh.K.Gabdelakhatov F.R.Amirova N.T.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

PROPYLENE TRIMER AND TETRAMER PRODUCTION PROCESS Russian patent published in 2005 - IPC

Abstract RU 2255081 C1

FIELD: petrochemical processes.

SUBSTANCE: propylene is subjected to oligomerization in presence of phosphoric acid catalyst at elevated temperature and pressure. Propylene dimer fraction is separated from oligomerizate and returned into oligomerization process simultaneously normal α-olefin fraction and fraction containing C₆ and C₈-olefins. Weight ratio of the two fraction is (4-1):(1-4), respectively.

EFFECT: increased yield of propylene trimers and tetramers and enabled controlling proportions and yields thereof.

3 cl, 1 tbl, 6 ex

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RU 2 255 081 C1

Authors

Busygin V.M.

Gil'Manov Kh.Kh.

Mal'Tsev L.V.

Gil'Mutdinov N.R.

Zijatdinov A.Sh.

Khisaev R.Sh.

Sofronova O.V.

Nazmieva I.F.

Galimov R.Kh.

Shakirov Sh.K.

Gabdelakhatov F.R.

Amirova N.T.

Dates

2005-06-27—Published

2004-03-18—Filed