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:
Sep. 24, 2024
Filed:
Mar. 01, 2020
Applicant:
Xiamen Lisi Tech Service Co., Ltd., Xiamen, CN;
Inventors:
Assignee:
XIAMEN LISI TECH SERVICE CO., LTD., Xiamen, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/50 (2006.01); A61B 5/00 (2006.01); H01J 49/40 (2006.01);
U.S. Cl.
CPC ...
G01N 33/5038 (2013.01); A61B 5/4833 (2013.01); H01J 49/40 (2013.01);
Abstract
A method for detecting ingestion times comprises the following steps: obtaining hair samples or nail samples; sampling hair samples or nail samples per unit length, and judging whether the target ingested substance and its metabolites are present in each sample; and counting times of detected target ingested substance and its metabolites as the ingestion times.