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:
Nov. 18, 2025
Filed:
Feb. 22, 2019
Applicant:
Nitto Denko Corporation, Ibaraki, JP;
Inventors:
Assignee:
NITTO DENKO CORPORATION, Ibaraki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 7/25 (2018.01); C09J 7/38 (2018.01); C09J 7/40 (2018.01);
U.S. Cl.
CPC ...
C09J 7/255 (2018.01); C09J 7/38 (2018.01); C09J 7/401 (2018.01); C09J 2467/00 (2013.01); C09J 2467/005 (2013.01); C09J 2467/006 (2013.01); G01N 2458/15 (2013.01);
Abstract
An objective is to provide a method for judging the authenticity of a product or component. Provided is a method for judging product or component authenticity. The method includes a step of determining the percentage of radioactive carbon-14 based on ASTM 6866 with respect to at least one constituent that a product or component of interest obtained has. Here, at least one constituent that an authentic product or component has and that corresponds to the constituent of the product or component of interest includes a resin comprising a prescribed percentage of radioactive carbon-14.