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US 2010/0167916 A1Published application
Ionic liquid catalyst comprising an alkyl-pyridinium haloaluminate and an impurity
AssigneeChevron U.S.A. Inc.
InventorsHoward S. Lacheen, Saleh Elomari
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Abstract
There is provided an ionic liquid catalyst comprising an alkyl-pyridinium haloaluminate and an impurity, wherein the ionic liquid catalyst has a molar ratio of Al to N greater than 2.0 when held at a temperature at or below 25° C. for at least two hours.
Claims7
An ionic liquid catalyst, comprising an alkyl-pyridinium haloaluminate and an impurity, wherein the ionic liquid catalyst has a molar ratio of Al to N greater than 2.0 when the ionic liquid catalyst is held at a temperature at or below 25° C. for at least two hours.
Dependencies are inferred from the claim text.