Patent DE705274C successfully refreshed from Google Patents.
DE705274C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the preparation of oxyoxo compounds
Assignee: IG Farbenindustrie AG
•
Filing: 1937-06-24
•
Granted: 1941-04-22
•
Expires: 1957-06-24
Abstract
No abstract record available.
Inventors
- 👤 Dr Alfons Apel
- 👤 Dr Erich Berger
- 👤 Dr Karl Schoenemann
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 18:29
CPC Classifications
C; C07; C07H; C07H3/00; C07H3/02; C07C; C07C29/00; C07C29/132; C07C29/136; C07C29/14; C07C29/141
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.