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:
Apr. 02, 2019
Filed:
Jan. 19, 2015
Gottfried Wilhelm Leibniz Universität Hannover, Hannover, DE;
Gottfried Wilhelm Leibniz Universitaet Hannover, Hannover, DE;
Abstract
The invention relates to a device tier determining a concentration of a chemical substance dissolved in a liquid, which chemical substance absorbs light () of an absorption wavelength, wherein the device comprises: at least one flow-through chamber () having at least one inlet opening (), at least one outlet opening (), and at least one peripheral wall (); at least one laser () for emitting light () of the absorption wavelength; and at least one detector () for detecting the emitted light (); wherein the laser () and the detector () are arranged in such a way that the light () emitted by the laser () is conducted through the flow-through chamber () along at least two different paths before said light hits the detector (), and wherein the device has two lasers () which emit light of different wavelengths. The invention further relates to a method for producing a flow-through chamber for such a device.