Patent · US Active

N-substituted pyrrolidonium ionic liquids with expanded linker

US8735603B2 · kind B2 · utility

0Cited by

17References

16Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Thomas Foo · Rockville, US
Mark Andrew Harmer · Kennett Square, US
Keith W. Hutchenson · McKeesport, US
Christopher P. Junk · Wilmington, US
Aaron Minter · Wilmington, US

Key dates

Filing date	Dec 4, 2009
Grant date	May 27, 2014
Priority date	—
Expiry date	Feb 13, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D207/27
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

This invention relates to compounds useful as ionic liquids that are based on an N-substituted pyrrolidinone and incorporate a pendant ammonium cation that is spaced from the pyrrolidone ring by a variable length linker.

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