US3362935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinylphenyl-perfluoroalkyl-propane-diones and polymers derived therefrom
Assignee: Dow Chemical Co
•
Filing: 1965-09-03
•
Granted: 1968-01-09
•
Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Ted R Norton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:52
CPC Classifications
C; C07; C07C; C07C49/00; C07C49/76; C07C49/80; C07C45/00; C07C45/45; C07C45/455; C08; C08F; C08F16/00; C08F16/36
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
9 words
A 1-(VINYLPHENYL)-3-PERFLUOROALKYL - 1,3 - PROPANEDIONE HAVING THE FORMULA
Claim 2
Dependent Claim
9 words
A 1-(VINYLPHENYL)-3-PERFLUOROALKYL - 1,3 - PROPANEDIONE HAVING THE FORMULA
Claim 3
Dependent Claim
18 words
A RESINOUS POLYMER OF ONE OR MORE 1-(VINYLPHENYL)3-PERFLUORALKYL-1,3-PROPANEDIONES WHEREIN THE PERFLUOROALKYL SUBSTITUENTS HAVE 1 TO 3 CARBON ATOMS.
Claim 4
Dependent Claim
18 words
A RESINOUS POLYMER OF ONE OR MORE 1-(VINYLPHENYL)3-PERFLUORALKYL-1,3-PROPANEDIONES WHEREIN THE PERFLUOROALKYL SUBSTITUENTS HAVE 1 TO 3 CARBON ATOMS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |