Patent ID: 6673232
Filing Date: 2004-01-06
Classification: C10G

Abstract:
A combination useful for reducing or preventing coke formation in thermal cracking furnaces, the combination being comprised of(A) one or more compound of the formula Râ€”Sxâ€”Râ€²wherein R & Râ€² are independently H, alkyl with 1 to 24 carbons straight chain or branched, aryl and x=1 to 5; and(B) one or more compound selected from the following group: B1â€”a hydroxylamine of the formula: wherein R and Râ€² are independently H, alkyl with 1 to 24 carbons straight chain or branched, aryl;B2â€”an alkyl hydrazine of the formula: wherein R and Râ€² are independently H, alkyl with 1 to 24 carbons straight chain or branched, aryl; andP3â€”an amine oxide of the formula wherein R is H, alkyl and Râ€² & Râ€³ are alkyl of 1 to 24 carbon atoms.