Patent FR43889E successfully refreshed from Google Patents.
FR43889E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Manufacturing process of sensitive silver salt emulsions
Assignee: IG Farbenindustrie AG
•
Filing: 1933-09-08
•
Granted: 1934-09-06
•
Expires: 1953-09-08
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 08:56
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/28; G03C1/34; G03C1/346
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.