Patent US3387044A successfully refreshed from Google Patents.
US3387044A
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US
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Process for fluorinating compounds containing a gem-dinitro group
Assignee: Aerojet Rocketdyne Inc
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Filing: 1962-07-27
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Granted: 1968-06-04
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Expires: 1982-07-27
Abstract
No abstract record available.
Inventors
- 👤 Grakauskas Vytautas
- 👤 Edward E Hamel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:36
CPC Classifications
C; C07; C07C; C07C201/00; C07C201/06; C07C201/12; C06; C06B; C06B25/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
9 words
THE METHOD OF PREPARING ORGANIC COMPOUNDS OF THE FORMULA
Claim 2
Independent Claim
9 words
THE METHOD OF PREPARING ORGANIC COMPOUNDS OF THE FORMULA
Claim 3
Independent Claim
25 words
A METHOD OF PREPARING 1-FLUROR-1, 1-DINITROETHANE WHICH COMPRISES REACTING FLUORINE, IN ABOUT A STOICHIOMETRIC AMOUNT, WITH THE POTASSIUM SALT OF 1,1-DINITROETHANE IN A WATER MODERATOR.
Claim 4
Independent Claim
25 words
A METHOD OF PREPARING 1-FLUROR-1, 1-DINITROETHANE WHICH COMPRISES REACTING FLUORINE, IN ABOUT A STOICHIOMETRIC AMOUNT, WITH THE POTASSIUM SALT OF 1,1-DINITROETHANE IN A WATER MODERATOR.
References Cited (Backward Citations)
US2891994A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-04 | 1971-12-04 | 1972-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-04 | 1975-12-04 | 1976-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-04 | 1979-12-04 | 1980-06-04 | $7700.00 | Window Closed / Lapsed |