Patent CH263275A successfully refreshed from Google Patents.
CH263275A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
A process for removing water from a crude olefinic nitrile.
Assignee: American Cyanamid Co
•
Filing: 1945-09-29
•
Granted: —
•
Expires: 1965-09-29
Abstract
No abstract record available.
Inventors
- 👤 Company American Cyanamid
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-09 00:10
CPC Classifications
C; C07; C07C; C07C253/00; C07C253/32; C07C253/34
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.