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US 2009/0156762 A1Published application
Methods of Preparing a Polymerization Catalyst
AssigneeChevron Phillips Chemical Company LP
InventorsMax P. McDaniel, Kathy S. Collins
Life of this patent
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Abstract
A method comprising contacting a support with one or more chromium-containing compounds and one or more boria precursors to provide a catalyst precursor, and activating the catalyst precursor to provide a polymerization catalyst.
Claims25
A method comprising:
- (a) contacting a support with one or more chromium-containing compounds and one or more boria precursors to provide a catalyst precursor;
- and
- (b) activating the catalyst precursor to provide a polymerization catalyst.
Dependencies are inferred from the claim text.