Shell Oil Comapny

The Associated Octel Company Limited

Shell Usa, Inc.

Shell Internationale Research Maatschappij, B.v.

Mark Lawrence Brewer

Roger Francis Cracknell

Nicholas James Rounthwaite

John Socrates Thomaides

Michael Timothy Philbin

Qiwei He

John M Morales

Damien Christian Vadillo

Richard John Price

Garo Garbis Vaporciyan

Philip Nigel Threlfall-Holmes

Caroline Nicola Orlebar

Andrea Schuetze

John A MacMillan

Tor Kit Goh

Tushar Kanti Bera

David Roy Kendall

Michael W Howe

Rajeshkumar Natwarlal Patel

Steve Woolley

Andrew C Duncan

Michael Alan Parkes

Karsten Wilbrand

Felix Balthasar

Joern Karl

Tushar Bera

Use of a wax anti-settling agent (WASA), in an automotive fuel composition, for the purpose of improving the acceleration performance of an internal combustion engine into which the fuel composition is or is intended to be introduced or of a vehicle powered by such an engine.

Use of a wax anti-settling additive in automotive fuel compositions

A fuel composition for powering a combustion engine, the composition comprising a liquid base fuel; and a (co)polymer obtainable by (co)polymerizing at least the following monomers: one or more bicyclic (meth)acrylate esters (a); up to 15 wt % of styrene (b); optionally other ethylenically unsaturated monomers that are not monomer (a) or (b); up to a total of 100 wt %, wherein the weight percentages of the monomer are based on the total weight of all of the monomers.

Fuel composition

A fuel composition for powering a combustion engine, the composition comprising: a liquid base fuel; and a (co)polymer obtainable by (co)polymerizing at least the following monomers: &#x2022;at least one bicyclic (meth)acrylate ester &#x2022;optionally at least one lower-alkyl (meth)acrylate, &#x2022;optionally at least one aromatic vinyl monomer, and &#x2022;optionally other ethylenically unsaturated monomers.

A fuel composition for powering a combustion engine the composition comprising: a liquid base fuel; and a copolymer obtainable by copolymerizing at least the following monomers: &#x2014;at least one bicyclic (meth)acrylate ester; &#x2014;at least one fatty-alkyl (meth)acrylate; &#x2014;optionally, and preferably, at least one aromatic vinyl monomer; and &#x2014;optionally other ethylenically unsaturated monomers.

Certain UV filter compounds improve the combustion properties of diesel fuel compositions, and in particular modify the ignition delay and/or modify the burn period and/or modify the peak pressure and/or increase the cetane number of the liquid fuel composition. A liquid fuel composition is provided containing:

Liquid fuel compositions

A liquid fuel composition comprising a base fuel suitable for use in an internal combustion engine; one or more organic UV filter compounds; and one or more ester co-additive compounds provides improvements in terms of stability properties in an additive blend containing said one or more organic UV filter compounds and said one or more ester co-additive compounds, particularly at low temperatures, such as temperatures of 5&#xb0; C. or lower.

Liquid composition

A liquid fuel composition containing: (a) a gasoline base fuel suitable for use in an internal combustion engine; and (b) one or more organic sunscreen compounds.

Additive composition for use in a fuel or lubricant formulation, comprising an active substance in an inclusion complex with a modified cyclodextrin of formula (I): wherein n is an integer from 6 to 20, and R, Rand Rare each independently selected from hydrogen, optionally substituted alkyl, optionally substituted aryl and carbonyl, provided that R, Rand Rare not all hydrogen. Also provided is a fuel or lubricant formulation comprising the additive composition, a premix for use in preparing the additive composition, and the use of a modified cyclodextrin (I) as a vehicle for an active substance in an additive composition or in a fuel or lubricant formulation.

Compositions

An additive composition for use in a diesel fuel formulation, comprising a cetane improver in an inclusion complex with a modified cyclodextrin of formula (I): wherein n is an integer from 6 to 20, and R, Rand Rare each independently selected from hydrogen, optionally substituted alkyl, optionally substituted aryl and carbonyl, provided that R, Rand Rare not all hydrogen. Also provided is a diesel fuel formulation comprising the additive composition, and the use of a modified cyclodextrin (I) as a vehicle for a cetane improver in an additive composition or diesel fuel formulation.

A liquid fuel composition containing The liquid fuel composition of the present invention provides benefits in terms of power output of a diesel engine, and modifying the ignition delay and/or modifying the burn period and/or increasing the cetane number of the liquid fuel composition.

A diesel fuel formulation is provided containing (i) a fatty acid alkyl ester (FAAE), in particular a fatty acid methyl ester (FAME), (ii) diethyl carbonate (DEC) and (iii) an additional diesel fuel component. Also provided is a diesel fuel supplement containing a FAAE and DEC. The inclusion of DEC, in a FAAE or in a diesel fuel formulation containing a FAAE, increase the stability of one or more glycerides present in the FAAE, and/or reduce the concentration of a stability-enhancing additive in the FAAE or fuel formulation, and/or reduce the amount of glyceride precipitates in the FAAE or fuel formulation. The glycerides are in particular saturated monoglycerides.

Fuel formulations

Diesel fuel formulation is provided containing (i) FAME with &#x2266;50% w/w saturates, (ii) dialkyl carbonate (DAC) and (iii) an additional diesel fuel component. Also provided is a diesel fuel supplement containing FAME and DAC, for use in a diesel fuel formulation.

A functional fluid suitable for use in an internal combustion engine is provided, comprising:

Functional fluids for internal combustion engines

A middle distillate fuel composition is provided comprising (a) a middle distillate base fuel, (b) a Fischer-Tropsch derived paraffinic wax component, and (c) one or more cold flow additives; a method for formulating a middle distillate fuel composition comprising a middle distillate base fuel, comprising (i) incorporating into the base fuel a Fischer-Tropsch derived wax component. The use of a Fischer-Tropsch derived wax component in a middle distillate fuel composition, for the purpose of increasing the effect of a CFPP improver additive in the composition is disclosed.

There is provided use of an amino acid derivative in free acid or salt form, in which the nitrogen atoms of two or more amino acid molecules are linked by a hydrocarbyl or substituted hydrocarbyl group, as an anti-fungal compound.

Growing community of inventors

Chester, United Kingdom

Mark Lawrence Brewer