Patent · US Active

Process for the absorption of a volatile substance in a liquid absorbent

US8932478B2 · kind B2 · utility

12Cited by

37References

20Claims

0Family size

Assignee

EVONIK DEGUSSA GMBH · DE

Inventors

Matthias Seiler · Soest, DE
Bernd Glöckler · Bruchköbel, DE
Peter Schwab · Bad Dürkheim, DE
Stefan Kempka · Essen, DE

Key dates

Filing date	Dec 3, 2008
Grant date	Jan 13, 2015
Priority date	—
Expiry date	Nov 25, 2030

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K5/047
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

To absorb a volatile substance from a gas phase in a liquid absorbent, the gas phase is brought into contact with a film of an absorbent which comprises an ionic liquid and a wetting-promoting additive. The process can be used in absorption refrigerating machines.

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