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1. IN6708/CHENP/2010 - AUTOMOTIVE FUEL COMPOSITIONS

Office India
Application Number 6708/CHENP/2010
Application Date 20.10.2010
Publication Number 6708/CHENP/2010
Publication Date 01.07.2011
Publication Kind A
IPC
C10L 1/195
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR  C10K111; LIQUEFIED PETROLEUM GAS;  USE OF ADDITIVES TO FUELS OR FIRES;  FIRE-LIGHTERS
1Liquid carbonaceous fuels
10containing additives
14Organic compounds
18containing oxygen
192Macromolecular compounds
195obtained by reactions involving only carbon-to-carbon unsaturated bonds
C10L 10/00
CCHEMISTRY; METALLURGY
10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
LFUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR  C10K111; LIQUEFIED PETROLEUM GAS;  USE OF ADDITIVES TO FUELS OR FIRES;  FIRE-LIGHTERS
10Use of additives to fuels or fires for particular purposes
Applicants SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
Inventors BRUNNER, ANDREAS, HUGO
LOUIS, JURGEN, JOHANNES, JACOBUS
SCHAFER, ANDREAS
Priority Data 08102907.6 26.03.2008 EP
Title
(EN) AUTOMOTIVE FUEL COMPOSITIONS
Abstract
(EN)
Use of a viscosity index (VI) improving additive, in an automotive fuel composition, for the purpose of improving the acceleration performance of an internal combustion engine into which the fuel composition is introduced. The additive may be used to increase the viscosity of the composition, by an amount greater than that which theory would have predicted to occur. The fuel composition is suitably a diesel fuel composition, and the additive suitably comprises a block copolymer which contains one or more monomer blocks selected from ethylene, propylene, butylene, butadiene, isoprene and styrene monomers. The additive is preferably used in the composition at a concentration of 0.5 0ow/w or lower.

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