Benzophenone derivatives as fuel additives

Patent · Tue May 17 04:00:00 EDT 1988

OSTI ID:6951058

Andress, H J

This patent describes a composition comprising a major amount of a liquid hydrocarbon fuel having an initial boiling point of at least about 75/sup 0/F and an end boiling point of about 750/sup 0/F, and a minor amount sufficient to improve the fuel detergency thereof the reaction product of an ester of a benzophenone tetracarboxylic dianhydride or mixtures of such esters and an amine wherein the benzophenone tetracarboxylic dianhydride ester or mixtures of such esters are reacted with the amine in a mole ratio of from about 3:1 to about 1:3 at a temperature of from about 100/sup 0/ - 300/sup 0/C at atmospheric pressure from about three to about 10 hours.

• Assignee: Mobil Oil Corp., New York, NY
• Patent Number(s): US 4744798
• OSTI ID: 6951058
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ADDITIVES
AMINES
ANHYDRIDES
BENZOPHENONE
BOILING POINTS
CARBOXYLIC ACIDS
CHEMICAL COMPOSITION
CHEMICAL PREPARATION
CHEMICAL REACTION YIELD
CHEMICAL REACTIONS
DERIVATIZATION
ESTERS
FUEL ADDITIVES
HIGH TEMPERATURE
HYDROCARBONS
KETONES
MEDIUM TEMPERATURE
ORGANIC ACIDS
ORGANIC COMPOUNDS
PHYSICAL PROPERTIES
SYNTHESIS
THERMODYNAMIC PROPERTIES
TRANSITION TEMPERATURE
YIELDS