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:
Mar. 03, 2026
Filed:
Dec. 22, 2021
Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, CN;
Abstract
A purification system for nitrogen gas and xenon gas in water and a static isotopic analysis method thereof are provided. The system includes a sample container, a carbon dioxide ice cold trap, a gas delivery main pipe and a mass spectrometer for noble gas communicated sequentially. The gas delivery main pipe is provided with branch pipelines communicated with a cryo pump and a vacuum pump set respectively, the mass spectrometer for noble gas is communicated with the vacuum pump set, and the cryo pump adsorbs or releases nitrogen gas and/or xenon gas by setting different temperatures of the cryo pump. Inlet and outlet sides of the carbon dioxide ice cold trap are respectively provided with a first valve and a second valve. Fourth and fifth valves are respectively disposed between the gas delivery main pipe and the vacuum pump set, and between the gas delivery main pipe and the cryo pump.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile