Patent · US Active

Compositions

US9382490B2 · kind B2 · utility

1Cited by

11References

11Claims

0Family size

Assignee

SHELL OIL COMPNY · US

Inventors

Mark Lawrence Brewer · Chester, GB
Roger Francis Cracknell · Manchester, GB
Tor Kit Goh · Elmore, AU

Key dates

Filing date	Dec 19, 2013
Grant date	Jul 5, 2016
Priority date	—
Expiry date	Feb 3, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10N2050/12
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

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 R1, R2 and R3 are each independently selected from hydrogen, optionally substituted alkyl, optionally substituted aryl and carbonyl, provided that R1, R2 and R3 are 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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.