Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs
Reexamination Certificate
2009-10-05
2011-11-22
Wood, Elizabeth (Department: 1732)
Catalyst, solid sorbent, or support therefor: product or process
Zeolite or clay, including gallium analogs
C502S063000, C502S064000, C502S071000, C502S077000, C502S085000
Reexamination Certificate
active
08062987
ABSTRACT:
A zeolite catalyst that may be used in aromatic alkylation is prepared by treating a zeolite with a phosphorus compound. The phosphorus-treated zeolite is calcined and contacted with liquid water, whereby an amount of phosphorus is removed from the phosphorus-treated zeolite. The phosphorus-treated zeolite is then heated. A method of preparing an aromatic product may also be carried out by contacting the prepared zeolite catalyst with an aromatic alkylation feed of an aromatic compound and an alkylating agent under reaction conditions suitable for aromatic alkylation.
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Ghosh Ashim Kumar
Harvey Pamela
Kulkarni Neeta
Bergen Grady K.
Griggs Bergen LLP
Saudi Basic Industries Corporation
Wood Elizabeth
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