Working media for refrigeration processes

US8069687B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Carsten Jork · Berlin, DE
• Matthias Seiler · Soest, DE
• Bernd Weyershausen · Essen, DE

Key dates

• Filing date: May 24, 2006
• Grant date: Dec 6, 2011
• Expiry date: Feb 25, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K5/047
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A working medium for refrigeration processes comprising at least one sorbent material and at least one refrigerant, characterized in that the sorbent material contains at least one nonvolatile organic salt which is liquid under standard conditions, or a mixture of organic salts, with the proviso that this is liquid under standard conditions, wherein the salt or the mixture has a thermal stability above 150° C.