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:
Jan. 20, 2026

Filed:

Apr. 27, 2021
Applicant:

Cytiva Sweden Ab, Uppsala, SE;

Inventors:

Hanno Ehring, Uppsala, SE;

David Gronowitz, Uppsala, SE;

Lars Rosengren, Uppsala, SE;

Assignee:

CYTIVA SWEDEN AB, Uppsala, SE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/27 (2006.01); G01N 21/31 (2006.01); G01N 21/85 (2006.01); G01N 30/62 (2006.01);
U.S. Cl.
CPC ...
G01N 21/274 (2013.01); G01N 21/31 (2013.01); G01N 21/85 (2013.01); G01N 2030/626 (2013.01);
Abstract

A computer implemented method performed by a computer configured to calibrate an apparatus for measuring the absorbance of light of a substance for a chromatography system, the apparatus comprising a conduit (C) for enabling a fluid to be measured, a light emitter (LE) configured to emit light along an optical path (OP) to a light sensor(S) configured to measure the emitted light, the optical path intersecting the conduit (C), a rotating disc (D) having one or more optical filters, each of the one or more optical filters is arranged with its center passing through the optical path (OP) when rotating, an actuator configured to rotate the disc (D) dependent on a control signal.


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