Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Metal – metal oxide or metal hydroxide
Reexamination Certificate
2003-07-01
2010-12-14
Lorengo, Jerry (Department: 1793)
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Metal, metal oxide or metal hydroxide
C502S313000, C502S315000, C502S316000, C208S20800M, C208S21600R, C208S2160PP, C208S243000, C423S244020
Reexamination Certificate
active
07851401
ABSTRACT:
The invention concerns solids comprising a single tungsten oxide layer on a zirconia support and/or titanium dioxide support, characterized in that the tungsten exhibits tetrahedral co-ordination, before and after calcining. The invention also concerns the method for preparing the solids, and their uses as acid catalysis reactions catalyst.
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patent: WO 01 48119 (2001-07-01), None
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Sohn, Jong Rack et al., “Characterization of zirconia-supported tungsten oxide catalyst”,Langmuir, vol. 14, No. 21, 1998, pp. 6140-6145, XP002234339.
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Essayem Nadine
Feche Cyril
Figueras Francois
Gelbard Georges
Loridant Stephane
Centre National de la Recherche Scientifique (C.N.R.S.)
Lorengo Jerry
Smith Jennifer A
Young & Thompson
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