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2 200 142

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Application

2001120501/04, 2001-07-23

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Start date

2001-07-23

(22)

Actual filing date

2001-07-23

(45)

Published

2003-03-10

(72)

Inventor

Dzhemilev U.M.Kutepov B.I.Grigor'Eva N.G.Bikbaev R.T.Pavlov M.L.Makhamatkhanov R.A.Apkarimova G.I.

(73)

Holder

Gu Institut Neftekhimii I Kataliza An Rb I Unts Ran

METHOD OF PREPARING UNSATURATED ALPHA-METHYLSTYRENE DIMERS Russian patent published in 2003 - IPC

Abstract RU 2200142 C1

FIELD: industrial organic synthesis. SUBSTANCE: alpha-methylstyrene is subjected to dimerization in presence of mordenite-type zeolite in H form, amount of catalyst being 5 to 20 wt % and reaction temperature 80-120 C. EFFECT: increased selectivity and simplified technology. 1 tbl, 9 ex

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RU 2 200 142 C1

Authors

Dzhemilev U.M.

Kutepov B.I.

Grigor'Eva N.G.

Bikbaev R.T.

Pavlov M.L.

Makhamatkhanov R.A.

Apkarimova G.I.

Dates

2003-03-10—Published

2001-07-23—Filed