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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.:

US 12025558 B1

PDFFull Text
Date of Patent:
Jul. 02, 2024

Filed:

Jul. 16, 2020

Freshness label with aggregation-induced phosphor

Applicant:

Toshiba Tec Kabushiki Kaisha, Tokyo, JP;

Inventors:

Ryozo Akiyama, Mishima Shizuoka, JP;

Yukitami Mizuno, Ota Tokyo, JP;

Kazuki Taira, Ota Tokyo, JP;

Assignee:

Toshiba Tec Kabushiki Kaisha, Tokyo, JP;

Attorney:

Kim & Stewart LLP

Primary Examiner:

David P Porta

Assistant Examiner:

Mamadou Faye

Int. Cl.
CPC ...
G01N 31/22 (2006.01); B65D 25/02 (2006.01); G01N 21/64 (2006.01); G01N 21/77 (2006.01); C07H 21/02 (2006.01); G01N 33/02 (2006.01);
U.S. Cl.
CPC ...
G01N 21/6428 (2013.01); B65D 25/02 (2013.01); G01N 21/77 (2013.01); G01N 31/22 (2013.01); C07H 21/02 (2013.01); G01N 2021/6432 (2013.01); G01N 2021/6439 (2013.01); G01N 2021/7786 (2013.01); G01N 33/02 (2013.01);
Abstract

A freshness label in an embodiment includes a base material having a fluid retention capacity and a phosphor layer on a surface of the base material. The phosphor layer includes an aggregation-induced phosphor. The base material has a porous or mesh structure. The aggregation-induced phosphor comprises a phosphor having a polar functional group or the like. The freshness label can be used to detect spoilage and/or deterioration of fresh food according to changed in fluorescence intensity provided by the aggregation-induced phosphor.

Find Patent Forward Citations

Akiyama, Ryozo. (2024). Freshness label with aggregation-induced phosphor (U.S. Patent No. 12025558). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12025558

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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