CH398085A
Expired / Lapsed
CH
⏱️ 0.0 years remaining
Process for increasing the thermal stability of perfluorocarbon copolymers
Assignee: Du Pont
•
Filing: 1957-09-20
•
Granted: —
•
Expires: 1977-09-20
Abstract
No abstract record available.
Inventors
- 👤 Isager Bro Manville
- 👤 Salim Mallouk Robert
- 👤 Wilhelm Sandt Bernd
Bibliographic Details
Application Number
—
Jurisdiction
CH
Data Source
google_patents
Last Synchronized
2026-11-05 19:36
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/12; C08L27/20; C08F; C08F214/00; C08F214/18; C08F214/26; C08F214/28; C08F6/00; C08F6/24; C08K; C08K3/00; C08K3/10; C08K3/105; C08L27/18
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.