PATENT ASSIGNEE'S COUNTRY | USA |
UPDATE | 05.00 |
PATENT ASSIGNEE | This data is not available for free |
PATENT CLAIMS |
425-565C, 350-2500 kPa, LHSV 1-5/hour, & H/Hydrocarbon 2-10 with dual-function catalyst comprising mixt of refractory inorg oxide support with multigradient metal comp comprising - In (0.1-5%) - Group IVA metal (0.01-5%) - Halogen comp (0.1-10%) - Pt (0.01-2%) Wherein catalyst particles characterized as contg > 40% Pt in 50-micron surface layer of the particles & concn of Pt in 50-micron surface layer is > 5 times concn of Pt in central core having diam. that is 50% of diam of particles |
PATENT PHOTOCOPY | Available on request |
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