FR876390A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for producing condensation products from dicarbamide esters of glycols and their homologues and from formaldehyde
Assignee: Phrix Arbeitsgemeinschaft
•
Filing: 1941-10-29
•
Granted: 1942-11-04
•
Expires: 1961-10-29
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 18:15
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/20
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.