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Patent Searching and Data


Title:
【発明の名称】スチレン類の製造方法
Document Type and Number:
Japanese Patent JP2001509155
Kind Code:
A
Abstract:
PCT No. PCT/EP98/00244 Sec. 371 Date Jul. 27, 1999 Sec. 102(e) Date Jul. 27, 1999 PCT Filed Jan. 17, 1998 PCT Pub. No. WO98/32719 PCT Pub. Date Jul. 30, 1998This invention relates to a method for the selective preparation of a styrene of formula (1) by reacting an acetophenone of formula (1) with hydrogen in the presence of a catalyst containing one of several oxides, in particular metal oxides, wherein the oxide contains an element form the groups Ia, IIa, IIIa, IVa, VIa, Ib, IIb, IVb, Vb, VIb, and/or VIII or an element from the lanthanide group. The catalyst contains preferably on or several oxides of the formula ZnM1bM2cOx, where M1 stands for at least one element from the Al, Zr, Ti and Si group, M2 stands for at least one element from the Cd, Cu, Ag, Ni, Co, Fe, Mn, Cr, Mo, Ta, Sc, W, V, Nb, Hf, Yt, B, In, Zn, Pb, Bi Se, Ga, Ge, Sb, As, Te group, or an element from the lanthanides, b=0-20, c=0-3, x corresponds to the number of oxygen atoms required for stoechiometric compensation, which results in accordance with the oxidation states of Zn, M1 and M2 or oxides of formula M32M4O4, wherein M3 is an element with an oxidation state I, II or III and M4 is an element with oxidation state II, III or VI.

Inventors:
Loeski, liner
Borchert, Holger
Dinger Dissen, Uwe
Application Number:
JP53154798A
Publication Date:
July 10, 2001
Filing Date:
January 17, 1998
Export Citation:
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Assignee:
Aventis Research und Technologies Gaem Behr und Ko Kahge
International Classes:
B01J23/00; B01J23/06; B01J23/10; B01J23/26; B01J23/34; B01J23/80; C07B61/00; C07C1/22; C07C15/46; C07C17/354; C07C35/02; (IPC1-7): C07C1/22; B01J23/06; C07C15/46
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)