Antioxidant composition for motor gasoline

Fuel and related compositions – Liquid fuels – Organic nitrogen compound containing

Reexamination Certificate

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C044S412000, C044S428000

Reexamination Certificate

active

07470292

ABSTRACT:
An antioxidant composition effective for stabilizing gasoline and gasoline components contains from approximately 50-95% by weight of at least one Mannich base and from approximately 5-50% by weight of at least one amine. The Mannich base is derived from p-substituted phenols or from cashew nut shell liquid.

REFERENCES:
patent: 4231759 (1980-11-01), Udelhofen et al.
patent: 5169410 (1992-12-01), Wright
patent: 5679116 (1997-10-01), Cunningham et al.
patent: 2002/0066225 (2002-06-01), Puri et al.

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