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2 265 482

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Application

2004114645/04, 2004-05-13

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Start date

2004-05-13

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Actual filing date

2004-05-13

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Published

2005-12-10

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Inventor

Rogov M.N.Rakhimov Kh.Kh.Ishmijarov M.Kh.Mjachin S.I.Luk"Janchikov I.I.Elin O.L.Prokopenko A.V.Patrikeev V.A.Smirnov V.K.Pavlov M.L.Galjautdinov A.A.Basimova R.A.

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Holder

Otkrytoe Aktsionernoe Obshchestvo

METHOD OF PREPARING ZEOLITE-CONTAINING BENZENE-ETHYLENE ALKYLATION CATALYST Russian patent published in 2005 - IPC

Abstract RU 2265482 C1

FIELD: organic synthesis catalysts.

SUBSTANCE: method of preparing catalyst based on high-silica zeolite comprises calcination of zeolite and treating it with ammonium salt solutions at 120-150°C followed by mixing with binder, drying, and calcination. High-silica zeolite utilized is ZSM-5 zeolite, which is treated with aqueous ammonium solutions at equivalent ratio NH₄ ⁺:Na⁺ = (1.5-2.9):1.0 to degree of Na⁺ cation substitution above 99%.

EFFECT: increased catalytic activity and selectivity in benzene-ethylene alkylation process.

1 tbl, 7 ex

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RU 2 265 482 C1

Authors

Rogov M.N.

Rakhimov Kh.Kh.

Ishmijarov M.Kh.

Mjachin S.I.

Luk"Janchikov I.I.

Elin O.L.

Prokopenko A.V.

Patrikeev V.A.

Smirnov V.K.

Pavlov M.L.

Galjautdinov A.A.

Basimova R.A.

Dates

2005-12-10—Published

2004-05-13—Filed