Patent DE813709C successfully refreshed from Google Patents.
DE813709C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the preparation of aromatic monocyclic triamino hydrocarbons
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1949-02-25
•
Granted: 1951-09-17
•
Expires: 1969-02-25
Abstract
No abstract record available.
Inventors
- 👤 Andrew Mclean
- 👤 John Munro
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-07 22:09
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/30; C07C209/32; C07C209/36
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.