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.

Date of Patent:
Aug. 22, 2023

Filed:

Aug. 07, 2019
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Minhua Lu, Mohegan Lake, NY (US);

Vince Siu, Thornhill, CA;

Russell A. Budd, North Salem, NY (US);

Youssef Anthony Asaad, Briarcliff Manor, NY (US);

Evan Colgan, Montvale, NJ (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/80 (2006.01); G01N 21/84 (2006.01); H04M 1/72409 (2021.01); G01N 21/77 (2006.01);
U.S. Cl.
CPC ...
G01N 21/80 (2013.01); G01N 21/8483 (2013.01); H04M 1/72409 (2021.01); G01N 2021/7759 (2013.01);
Abstract

Techniques for quantitative colorimetric liquid analysis with color and turbidity correction are provided. In one aspect, an optical detector includes: a vessel for containing a liquid sample; a light source on a first side of the vessel; a first sensor on a second side of the vessel opposite the first side and along a light path of the light source; and a second sensor on a third side of the vessel at an angle θ with respect to the light path. A method for quantitative measurement of an analyte is also provided, as is a method for color and turbidity analysis.


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