Patent FR1037565A successfully refreshed from Google Patents.
FR1037565A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for improving certain properties of polyvinyl chloride
Assignee: Compagnie de Saint Gobain SA
•
Filing: 1951-01-26
•
Granted: 1953-09-21
•
Expires: 1971-01-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 14:28
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L23/00; C08L23/02; C08L23/04; C08L23/06
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.