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:
May. 17, 2022

Filed:

Nov. 03, 2017
Applicant:

Shijiazhuang Yiling Pharmaceutical Co., Ltd., Hebei, CN;

Inventors:

Shuiying Zhang, Hebei, CN;

Dan Bi, Hebei, CN;

Yupeng Chen, Hebei, CN;

Qian Zhao, Hebei, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 30/06 (2006.01); G01N 30/30 (2006.01); G01N 1/28 (2006.01); G01N 30/54 (2006.01); G01N 1/40 (2006.01); G01N 30/34 (2006.01); G01N 30/60 (2006.01); G01N 33/15 (2006.01); G01N 30/02 (2006.01);
U.S. Cl.
CPC ...
G01N 30/06 (2013.01); G01N 1/286 (2013.01); G01N 1/4055 (2013.01); G01N 1/4077 (2013.01); G01N 30/30 (2013.01); G01N 30/34 (2013.01); G01N 30/54 (2013.01); G01N 30/6078 (2013.01); G01N 33/15 (2013.01); G01N 2001/2866 (2013.01); G01N 2001/4061 (2013.01); G01N 2001/4088 (2013.01); G01N 2030/025 (2013.01); G01N 2030/062 (2013.01); G01N 2030/3076 (2013.01);
Abstract

A method for determining the content of menthol in a traditional Chinese medicine composition. The traditional Chinese medicine composition consists of the following medicinal materials:, menthol,, rheum,L.,and. In the method for determining the content, the content of the menthol in the composition is determined by gas chromatography to effectively control the content of menthol in the composition, and the method can save energy and reduce the costs for analysis.


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