Patent US4100697A successfully refreshed from Google Patents.
DE676103C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Radiation protection agents
Assignee: IG Farbenindustrie AG
•
Filing: 1933-03-31
•
Granted: 1939-05-25
•
Expires: 1953-03-31
Abstract
No abstract record available.
Inventors
- 👤 Dr Erich Merkel
- 👤 Dr Christian Wiegand
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-03 19:19
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/49; A61K8/4906; A61K8/4913; A61K8/492; A61K8/494; A61K8/4946; A61K8/4973; A61Q; A61Q17/00; A61Q17/04
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.