Patent DE1213402B successfully refreshed from Google Patents.
DE1213402B
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of 16-chloro-methylene or -fluoromethylene steroids
Assignee: Merck KGaA
•
Filing: 1961-07-20
•
Granted: —
•
Expires: 1981-07-20
Abstract
No abstract record available.
Inventors
- 👤 Dipl-Chem Dr Karl-Heinz Bork
- 👤 Dipl-Chem Dr Klaus Brueckner
- 👤 Dr Harald Metz
- 👤 Dipl-Chem Dr Fritz Von Werder
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-01 22:33
CPC Classifications
C; C07; C07J; C07J5/00; C07J1/00; C07J75/00
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.