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:
Jan. 05, 2021
Filed:
Sep. 01, 2014
Dräger Safety Ag & Co. Kgaa, Lübeck, DE;
Andreas Nauber, Stockelsdorf, DE;
Michael Sick, Timmendorfer Strand, DE;
Gregor Steiner, Titisee-Neustadt, DE;
Marie-Isabell Mattern-Frühwald, Bargteheide, DE;
Rigobert Chrzan, Bad Oldesloe, DE;
Sabrina Sommer, Lübeck, DE;
Frank Mett, Lübeck, DE;
Andreas Hengstenberg, Reinfeld, DE;
Dräger Safety AG & Co. KGaA, Lübeck, DE;
Abstract
A liquid electrolyte, for an electrochemical gas sensor for detecting NHor gas mixtures containing NH, contains at least one solvent, one conductive salt and/or one organic mediator. The conductive salt is an ionic liquid, an inorganic salt, an organic salt or a mixture thereof. The electrolyte preferably is comprised of (I) water, propylene carbonate, ethylene carbonate or a mixture thereof as solvent; (ii) LiCl, KCl, tetrabutylammonium toluenesulphonate or 1-hexyl-3-methylimidazolium tris(pentafluoroethyl)trifluorophosphate as conductive salt; and (iii) tert-butylhydroquinone or anthraquinone-2-sulphonate as organic mediator.