Patent DE952811C successfully refreshed from Google Patents.
DE952811C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of ditetrazole or its salts
Assignee: WALTER FRIEDERICH DR ING
•
Filing: 1953-05-07
•
Granted: 1956-11-22
•
Expires: 1973-05-07
Abstract
No abstract record available.
Inventors
- 👤 Dr-Ing Walter Friederich
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-30 08:09
CPC Classifications
C; C07; C07D; C07D257/00; C07D257/02; C07D257/04
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.