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:
Jul. 29, 2025

Filed:

Sep. 02, 2021
Applicant:

Intellego Technologies Ab, Solna, SE;

Inventor:

Claes Lindahl, Solna, SE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/50 (2006.01); G01J 1/04 (2006.01);
U.S. Cl.
CPC ...
G01J 1/50 (2013.01); G01J 1/0488 (2013.01);
Abstract

An apparatuscomprises a first layercomprising a colourimetric indicator; and a second layerprovided on at least a portionof the first layer, at least a portion of the second layerbeing configured to block and/or absorb a radiation to which the indicator is sensitive or reactive and being configured to be substantially transparent to visible light.


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