Patent FR1286281A successfully refreshed from Google Patents.
FR1286281A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for preparing polysulfide copolymers
Assignee: Bombrini Parodi Delfino SpA
•
Filing: 1961-04-12
•
Granted: 1962-03-02
•
Expires: 1981-04-12
Abstract
No abstract record available.
Inventors
- 👤 Tullio Quintavalli
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-04 09:09
CPC Classifications
C; C08; C08G; C08G75/00; C08G75/14; C08G75/02; C08G75/04; C08G75/045
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.