Patent ID: 8580718
Filing Date: 2013-11-12
Classification: C07C,C09K,C10L,C10M,C10N

Abstract:
1. A composition which comprises organic material normally susceptible to oxidative degradation in the presence of air or oxygen with which material has been blended a multi-ring antioxidant product in an amount sufficient to inhibit such oxidative degradation, wherein the organic material is an oil of lubricating viscosity or a liquid fuel composition, and wherein the multi-ring antioxidant has the formula where R and R′ are selected hydrogen atoms, or hydrocarbyl, alkoxy, aryloxy, alkylthio, halo, amino, alkyl amino, or aryl amino substituent groups which do not interfere with the reaction which forms the compounds of this invention; p is 0-4; and q is, independently, 1-4.