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US 4,291,189 AGranted
Alkylation process improvement
AssigneeMonsanto Company
InventorDavid B. Bishkin
Life of this patent
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Abstract
Entrained phosphoric acid contained in isopropylbenzene alkylate from a solid phosphoric acid-catalyzed process wherein benzene is alkylated with propylene is neutralized and rendered soluble in the alkylate by the addition to the alkylate stream of a primary amine.
Claims7
A method of neutralizing and rendering entrained phosphoric acid soluble in isopropylbenzene alkylate comprising addition to said alkylate and said entrained phosphoric acid in amount of a primary amine effective to neutralize and render said phosphoric acid soluble.
Dependencies are inferred from the claim text.