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:
Jun. 15, 2021
Filed:
Dec. 19, 2018
Mitsubishi Gas Chemical Company, Inc., Chiyoda-ku, JP;
Kazuto Ikemoto, Niigata, JP;
Satoko Imaruoka, Niigata, JP;
Mitsubishi Gas Chemical Company, Inc., Chiyoda-ku, JP;
Abstract
An analysis method having: a sample preparation step of preparing a measurement sample by mixing a measurement object containing pyrroloquinoline quinone or a salt thereof with glycine so that the pyrroloquinoline quinone or the salt thereof reacts with the glycine to produce imidazopyrroloquinoline or a salt thereof; and a quantitative analysis step of determining quantitatively the amount of the pyrroloquinoline quinone and the salt thereof contained in the measurement object, based on a chromatogram of the imidazopyrroloquinoline or the salt thereof contained in the measurement sample obtained by chromatography.