FR729357A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for preparing a catalytic material
Assignee: Individual
•
Filing: 1932-01-07
•
Granted: 1932-07-23
•
Expires: 1952-01-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-03 12:59
CPC Classifications
B; B01; B01J; B01J25/00; B01J25/02; B01J23/00; B01J23/70; B01J23/72
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.