US3192190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Octafluorovinylphenyl ether and its polymers
Assignee: Individual
•
Filing: 1962-07-31
•
Granted: 1965-06-29
•
Expires: 1982-07-31
Abstract
No abstract record available.
Inventors
- 👤 Leo A Wall
- 👤 Walter J Pummer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:56
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12; C08F16/14; C08F16/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
29 words
THE PROCESS OF POLYMERIZING OCTAFLUOROVINYLPHENYL ETHER COMPRISING THE STEPS OF SUBJECTING SAID OLEFIN TO ACTINIC RADIATION UNDER SUITABLE CONDITIONS OF TEMPERATURE AND HIGH PRESSURE AND SEPARATING THE RESULTANT POLYMER.
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |