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2 138 475

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Application

98112553/04, 1998-06-29

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Start date

1998-06-29

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Actual filing date

1998-06-29

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Published

1999-09-27

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Inventor

Gabutdinov M.S.Kalashnikov Ju.S.Cherevin V.F.Eremin A.A.Fafanov G.P.Kharlampidi Kh.E.Karalin Eh.A.Ksenofontov D.V.Izmajlov I.R.Izmajlov R.I.Miroshkin N.P.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Sintez"

α-METHYLSTYRENE HYDROGENATION PROCESS Russian patent published in 1999 - IPC

Abstract RU 2138475 C1

FIELD: industrial organic synthesis. SUBSTANCE: α-methylstyrene contained in α-methylstyrene fraction formed in processing of cumene hydroperoxide cleavage products is hydrogenated at elevated temperatures and pressures on partially leached Cu-Zn-Al alloy in which Cu/Zn weight ratio is (2-10):1 and content of aluminum is 40-60%. EFFECT: increased catalytic activity and middle pressures in reaction zone. 3 cl, 2 tbl, 13 ex

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RU 2 138 475 C1

Authors

Gabutdinov M.S.

Kalashnikov Ju.S.

Cherevin V.F.

Eremin A.A.

Fafanov G.P.

Kharlampidi Kh.E.

Karalin Eh.A.

Ksenofontov D.V.

Izmajlov I.R.

Izmajlov R.I.

Miroshkin N.P.

Dates

1999-09-27—Published

1998-06-29—Filed

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