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2 183 987

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C1

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IPC

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Application

2000129706/04, 2000-11-27

(24)

Start date

2000-11-27

(22)

Actual filing date

2000-11-27

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Published

2002-06-27

(72)

Inventor

Borisova T.V.Kladova N.V.Makarenko M.G.Sotnikov V.V.Kachkin A.V.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

CATALYST FOR OXYCHLORINATION OF ETHYLENE INTO 1,2-DICHLOROETHANE AND METHOD OF PREPARATION THEREOF Russian patent published in 2002 - IPC

Abstract RU 2183987 C1

FIELD: organic synthesis catalysts. SUBSTANCE: catalyst contains cupric chloride 3.5-8.0% Cu and aluminum oxide (base material) and is formed in the process of heat treatment at 660 C of layered-structure microspheric aluminum compound of formula Al2O3•nH2O wherein n=0.3-1.5 jointly with cupric chloride. Aluminum compound has amorphous, poorly crystallized or partially crystalline structure. Catalyst may further contain at least one compound of element selected from group including potassium, sodium, magnesium, boron, silicon, cerium, zirconium, or their mixture in amounts 0.05-2.0 % (calculated for metals). Catalyst is characterized by specific surface 120-250 sq. m/g, pore volume 0.2-0.4 cu.cm/g, and particle size 20 to 100 mcm. Extra elements are either contained in starting alumina or added to cupric chloride- alumina mixture simultaneously with preparation thereof. EFFECT: increased mechanical strength and catalytic activity, and also simplified technology. 7 cl, 2 tbl, 9 ex

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RU 2 183 987 C1

Authors

Borisova T.V.

Kladova N.V.

Makarenko M.G.

Sotnikov V.V.

Kachkin A.V.

Dates

2002-06-27—Published

2000-11-27—Filed

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