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US 5,698,747 AGranted
Ester-free ethers
AssigneeExxon Chemical Patents Inc.
InventorsAllen David Godwin, Georges Marie Karel Mathys
Life of this patent
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Abstract
Ethers, for example those produced by acid-catalyzed dehydration of alcohols, are freed from esters by treatment with an alkoxide, and are especially suitable as drilling fluid components.
Claims8
A process for removing an ester impurity from an ether product which comprises treating the ester-ether mixture with a metal salt of an alcohol.
Dependencies are inferred from the claim text.