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Dejaifve; Pierre E.
Grand Couronne, FR
No. of patents:

Patent Number Title Of Patent Date Issued
4857498 Dehydrogenation catalyst August 15, 1989
1 to 25% by weight of an alkali metal compound, calculated as stable alkali metal oxide,0.5 to 20% by weight of a rare earth metal compound, calculated as the oxide,0.5 to 10% by weight of a calcium compound, calculated as CaO,0.5 to 10% by weight of a germanium-, tin- and/or lead compound,
4749674 Catalyst for the non-oxidative dehydrogenation of alkylbenzene to alkenylbenzene June 7, 1988
Alkenylbenzenes, e.g. styrene, are prepared by non-oxidative dehydrogenation of alkylbenzenes at elevated temperature in the presence of steam and a novel catalyst comprising iron oxide and, as promoters, an alkali metal compound, .ltoreq.10% wt of a compound of a rare earth metal an
4524058 Process for the preparation of a hydrogen-rich gas June 18, 1985
A process is disclosed for preparing a hydrogen-rich gas, which is carried out by reacting a carbon monoxide-containing gas with steam in the presence of a catalyst. The catalyst contains a spinel whose composition is expressed by the formula Li.sub.x Cu.sub.(1-x) Fe.sub.5 O.sub.8 in

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