Compositions and methods and uses relating thereto
AssigneeInnospec Limited
InventorsCenk R. Burgazli, Christopher E. LeMieux
Life of this patent
Estimating the term…
Abstract
A compound of formula (I): wherein p is at least 1, n is at least 1 and less than or equal to p; Ar is a polycyclic aromatic moiety, R1 is hydrogen or an optionally substituted hydrocarbyl group and each of R2, R3 and R4 is independently an optionally substituted hydrocarbyl group, provided that at least one of R2, R3 and R4 has at least 6 carbon atoms.
Claims22
A compound of formula (I):
- wherein p is at least 1, n is at least 1 and less than or equal to p;
- Ar is a polycyclic aromatic moiety, R1 is hydrogen or an optionally substituted hydrocarbyl group and each of R2, R3 and R4 is independently an optionally substituted hydrocarbyl group, provided that at least one of R2, R3 and R4 has at least 6 carbon atoms.
A method of preparing a compound of formula (I):
- the method comprising admixing (a) a quaternary ammonium salt, a tertiary amine or a tertiary amine salt with (b) a sulfonated polycyclic aromatic compound.
A composition comprising a compound of formula (I):
- wherein p is at least 1, n is at least one and is less than or equal to p;
- Ar is a polycyclic aromatic moiety, R1 is hydrogen or an optionally substituted hydrocarbyl group and each of R2, R3 and R4 is independently an optionally substituted hydrocarbyl group, provided that at least one of R2, R3 and R4 has at least 6 carbon atoms.
A fuel composition comprising a fuel, one or more additives and a compound of formula (I):
- wherein p is at least 1, n is at least 1 and is less than or equal to p;
- Ar is a polycyclic aromatic moiety, R1 is hydrogen or an optionally substituted hydrocarbyl group and each of R2, R3 and R4 is independently an optionally substituted hydrocarbyl group, provided that at least one of R2, R3 and R4 has at least 6 carbon atoms.
A kit for determining the concentration of a compound of formula (I) in a fuel composition, the kit comprising means for applying electromagnetic radiation having a first wavelength to said fuel composition;
- and means for measuring emission of electromagnetic radiation at a second wavelength.
Dependencies are inferred from the claim text.