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US RE35,166 EGranted
Catalyst
AssigneeUnilever Patent Holdings B.V.
InventorPaul Chapple
Life of this patent
Estimating the term…
Abstract
The invention provides a catalyst composition useful in treating hydrocarbons contaminated with vanadium residues, the catalyst comprising a zeolite, a matrix and certain heavier alkaline earth metal oxides.
Claims1
A method of cracking vanadium containing hydrocarbon feedstocks wherein the feedstock is contacted with a catalyst composition comprising:
- (i) a crystalline zeolite,
- (ii) a matrix material, and
- (iii) a single phase crystalline mixed oxide selected from calcium and barium tin oxides, the strontium tin oxides Sr.sub.2 SnO.sub.4 and Sr.sub.3 Sn.sub.2 O.sub.7, strontium titanium oxides and [the barium titanium oxides BaTi.sub.2 O.sub.5, BaTi.sub.4 O.sub.9, BaTi.sub.5 O.sub.11, Ba.sub.2 TiO.sub.4, Ba.sub.2 Ti.sub.5 O.sub.12, Ba.sub.2 Ti.sub.9 O.sub.20, Ba.sub.4 Ti.sub.13 O.sub.30, and Ba.sub.6 Ti.sub.17 O.sub.40, and] mixtures thereof.
Dependencies are inferred from the claim text.