Patent US2941912A successfully refreshed from Google Patents.
US2941912A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surface treatment of halogenated fluoroethylenes and laminates thereof
Assignee: PPG Industries Inc
•
Filing: 1956-09-25
•
Granted: 1960-06-21
•
Expires: 1976-09-25
Abstract
No abstract record available.
Inventors
- 👤 Robert P Cox
- 👤 Luther L Yaeger
- 👤 Ralph W Buetow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:49
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/31504; Y10T428/3154; Y10T428/31544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN ARTICLE OF MANUFACTURE COMPRISING A FLIM PRODUCED BY REACTING A FLIM OF POLYMERIC MATERIAL WHOSE SURFACE IS INCAPABLE OF ADHERING EFFECTIVELY TO OTHER SUBSTANCES AND HAVING THE GENERAL FORMULA (-C2FNX4-N-)M, WHERE M EQUALS A POSITIVE PLURAL INTEGER, N EQUALS 2 OR 3, AND X IS A HALOGEN OTHER THAN FLUORINE, WITH AN ORGANIC POSPHITE CAPABLE OF REACTING WITH SAID POLYMERIC MATERIAL TO IMPROVE ITS ADHESIVE PROPERTIES, AND A LAYER OF MATERIAL SUBJECT TO CORROSION HAVING A CONTINUOUS SURFACE ADHESIVELY BONDED TO SAID FILM.
Claim 2
Dependent Claim
84 words
AN ARTICLE OF MANUFACTURE COMPRISING A FLIM PRODUCED BY REACTING A FLIM OF POLYMERIC MATERIAL WHOSE SURFACE IS INCAPABLE OF ADHERING EFFECTIVELY TO OTHER SUBSTANCES AND HAVING THE GENERAL FORMULA (-C2FNX4-N-)M, WHERE M EQUALS A POSITIVE PLURAL INTEGER, N EQUALS 2 OR 3, AND X IS A HALOGEN OTHER THAN FLUORINE, WITH AN ORGANIC POSPHITE CAPABLE OF REACTING WITH SAID POLYMERIC MATERIAL TO IMPROVE ITS ADHESIVE PROPERTIES, AND A LAYER OF MATERIAL SUBJECT TO CORROSION HAVING A CONTINUOUS SURFACE ADHESIVELY BONDED TO SAID FILM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |