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US 4,551,570 AGranted
Process for the isomerization of limonene to terpinolene
AssigneeSCM Corporation
InventorWalter E. Johnson, Jr.
Life of this patent
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Abstract
A process for isomerizing limonene to terpinolene in the presence of an acidic catalyst and in the presence of a buffer.
Claims8
A process for isomerizing limonene to terpinolene at a temperature of from 75 degrees C. to 200 degrees C. in the presence of a catalytic amount of orthotitanic acid catalyst which is characterized by the inclusion in the isomerization mass of less than 2% by weight of the catalyst of a buffer selected from alkali metal or alkaline earth metal or ammonium acetates, carbonates, bicarbonates, citrates, hydroxides, oxides, phosphates, acid phosphates, and stearates.
Dependencies are inferred from the claim text.