Method
OwnerCyrus Pershing Henry JR., David Leonard Pinch +1inventors
InventorsCyrus Pershing Henry JR., David Leonard Pinch, Andrea Sneddon
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Abstract
The present invention provides a method for inhibiting deposit formation in a fuel at a temperature of from 100 to 335° C., the method comprising combining with the fuel a composition comprising: (i) high temperature antioxidant; and (ii) a deposit inhibiting compound.
Claims57
A method for inhibiting deposit formation in a fuel at a temperature of from 100 to 335° C., the method comprising combining with the fuel a composition comprising:
- (i) high temperature antioxidant;
- and
- (ii) a deposit inhibiting compound
A composition comprising:
- (i) a phosphorus-containing antioxidant;
- and
- (ii) a deposit inhibiting compound
The invention according to claim 23 wherein the antioxidant is of the formula
- 19
The invention according to any one of the preceding claims wherein the deposit inhibiting compound is selected from compounds of the formulae
- 23
- wherein PIB is polyisobutene.
The invention according to any one of the preceding claims wherein the composition further comprises a metal deactivator.
The invention according to any one of the preceding claims wherein the composition further comprises a further antioxidant.
A fuel composition comprising
- (a) a fuel
- (b) a composition as defined in any one of the preceding claims.
Use of a composition as defined in any one of the preceding claims for
- (i) the inhibition of oxidation of a fuel composition comprising the composition and a fuel;
- and/or
- (ii) the inhibition of deposit formation in a fuel composition comprising the composition and a fuel;
- and/or
- (iii) the inhibition of particle formation from the oxidation product(s) of a fuel;
- and/or
- (iv) the solubilisation of deposits and/or deposit precursors.
A method as substantially herein before described with reference to any one of the Examples.
A composition as substantially herein before described with reference to any one of the Examples.
A fuel composition as substantially herein before described with reference to any one of the Examples.
A use as substantially herein before described with reference to any one of the Examples.
Dependencies are inferred from the claim text.