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. 19, 2024
Filed:
Nov. 05, 2020
Shimadzu Corporation, Kyoto, JP;
Kyoto University, Kyoto, JP;
Jun Yanagibayashi, Kyoto, JP;
Shinya Imamura, Kyoto, JP;
Kenichi Yasunaga, Kyoto, JP;
Yasushi Ishihama, Kyoto, JP;
Koshi Imami, Kyoto, JP;
Tomoya Niinae, Kyoto, JP;
Yumi Komori, Kyoto, JP;
SHIMADZU CORPORATION, Kyoto, JP;
Kyoto University, Kyoto, JP;
Abstract
A pump unit includes a pump and a metal ion trap. The pump includes a metal member that comes into contact with a mobile phase. The pump pumps a mobile phase through a flow path. The metal ion trap includes a filter element. The filter element includes a metal ion retention structure for retaining metal ions by interacting with the metal ions included in a mobile phase. The filter element is provided in the flow path for a mobile phase pumped by the pump. The pump unit may be provided in a chromatograph.