DE339977C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of ultrafilters
Assignee: Individual
•
Filing: 1919-05-24
•
Granted: 1921-08-25
•
Expires: 1939-05-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 01:31
CPC Classifications
B; B01; B01D; B01D67/00; B01D67/0002; B01D67/0009; B01D67/0011; B01D67/00113
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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