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US 10,221,258 B2Granted
Methods for restoring metallocene solids exposed to air
AssigneeChevron Phillips Chemical Company LP
InventorsQing Yang, Tony R. Crain, George R. Rajaendran
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Abstract
Methods for treating solid metallocene compounds that are exposed to air are disclosed. These methods include a step of contacting the exposed solid metallocene compound with a purging gas stream containing an inert gas, and optionally, subjecting the exposed solid metallocene compound to a sub-atmospheric pressure.
Claims20
A method for treating an exposed solid metallocene compound, the method comprising, in any order:
- contacting the exposed solid metallocene compound with a purging gas stream comprising an inert gas;
- and
- subjecting the exposed solid metallocene compound to a sub-atmospheric pressure;
- to form a treated solid metallocene compound.
1 more element
A method for treating an exposed solid metallocene compound, the method comprising:
- contacting the exposed solid metallocene compound with a purging gas stream comprising an inert gas to form a treated solid metallocene compound.
Dependencies are inferred from the claim text.