The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 20, 2019
Filed:
Sep. 30, 2014
University of Notre Dame Du Lac, Notre Dame, IN (US);
William F. Schneider, Notre Dame, IN (US);
Joan F. Brennecke, Notre Dame, IN (US);
George Mozurkewich, Albuquerque, NM (US);
Mark J. McCready, Notre Dame, IN (US);
Edward J. Maginn, Notre Dame, IN (US);
Brandon L. Ashfeld, Notre Dame, IN (US);
Mark Stadtherr, Notre Dame, IN (US);
UNIVERSITY OF NOTRE DAME DU LAC, Notre Dame, IN (US);
Abstract
Disclosed herein are ionic liquid compounds, complexes and compositions suitable for use as refrigerants. Methods and systems for heating and/or cooling, including vapor compression heating or cooling systems, including such refrigerants are also disclosed. Preferred ionic liquids include those having anions selected from pyrrolide, pyrazolide, triazolide, imidazolide, benzimidazolide, and indolide, and cations selected from phosphonium, ammonium, pyrrolidinium, imidazolium, and pyridinium.