Patent JPS5844667A successfully refreshed from Google Patents.
US3149142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorovinyl phosphates and the preparation thereof
Assignee: EIDP Inc
•
Filing: 1956-11-26
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Granted: 1964-09-15
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Expires: 1976-11-26
Abstract
No abstract record available.
Inventors
- 👤 John J Drysdale
- 👤 Jr Howard E Simmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:04
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/30; C07F9/32; C07F9/3258; C07F9/327; C07F9/06; C07F9/08; C07F9/09; C07F9/113; C07F9/14; C07F9/1403; C07F9/38; C07F9/40; C07F9/4071; C07F9/4078
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
17 words
THE METHOD OF PREPARING THE COMPOUND OF CLAIM 1 WHICH COMPRISES REACTING A FLUOROKETONE OF THE FORMULA
References Cited (Backward Citations)
US2394829A
Cited
US2656373A
Cited
US2727058A
Cited
FR1066923A
Cited
CH310399A
Cited
DE941972C
Cited
US2724719A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |