DE924751C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the preparation of bis- and polycarbodiimides
Assignee: Bayer AG
•
Filing: 1952-08-17
•
Granted: 1955-03-07
•
Expires: 1972-08-17
Abstract
No abstract record available.
Inventors
- 👤 Guenther Dr Nischk
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 05:47
CPC Classifications
C; C07; C07C; C07C267/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE823445C
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.