DE453513C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Pre-cooling process for liquefying and separating poorly liquefiable gases and gas mixtures
Assignee: HILDEGARD MEWES
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Filing: 1922-08-06
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Granted: 1927-12-08
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Expires: 1942-08-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-27 23:02
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/04; F25J3/04006; F25J3/04012; F25J3/04018; F25J1/00; F25J1/0002; F25J1/0012; F25J1/003; F25J1/0032; F25J1/0035; F25J1/02; F25J1/0228; F25J1/0235; F25J1/0242; F25J3/04248; F25J3/04278; F25J2230/00; F25J2230/04; F25J2230/30; F25J2270/00; F25J2270/90; F25J2270/906
Claims Analysis
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References Cited (Backward Citations)
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