Patent · US Active

Method of preparing a high purity imidazolium salt

US9840473B1 · kind B1 · utility

7Cited by

76References

20Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Xinming Wang · Yokohama, JP
Olivier Zehnacker · Dortmund, DE
Benjamin Willy · Goldkronach, DE
Rolf Schneider · Burgstetten, DE

Key dates

Filing date	Jun 12, 2017
Grant date	Dec 12, 2017
Priority date	—
Expiry date	Jun 12, 2037

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07F9/141
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention encompasses a novel method for synthesizing highly pure salts of the general formula Q+A−, wherein Q+ is:and wherein A− is

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