FR47423E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for making krypton and xenon from atmospheric air
Assignee: Air Liquide SA
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Filing: 1936-03-12
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Granted: 1937-05-05
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Expires: 1956-03-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-02 16:52
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/04; F25J3/04642; F25J3/04745; F25J2205/00; F25J2205/30; F25J2270/00; F25J2270/04; F25J2270/40; Y; Y10; Y10S; Y10S62/00; Y10S62/923; Y10S62/925
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