US3248394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction of nitrosyl fluoride with perhaloolefins and selected fluorine compounds made thereby
Assignee: EIDP Inc
•
Filing: 1961-05-24
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Granted: 1966-04-26
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Expires: 1981-05-24
Abstract
No abstract record available.
Inventors
- 👤 Andreades Sam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:57
CPC Classifications
C; C07; C07D; C07D273/00; C07D265/00; C07D265/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A PROCESS OF PREPARING ORGANIC FLUORINE-CONTAINING COMPOUNDS WHICH COMPRISES REACTING NITROSYL FLUORIDE WITH AN ACYCLIC PERHALOOLEFIN OF UP TO 9 CARBONS IN WHICH ALL HALOGENS ARE OF ATOMIC NUMBER 9-35 AND IN WHICH THERE IS AT LEAST ONE FLUORINE ATOM ON AN UNSATURATED CARBON AT A TEMPERATURE OF 60*-250*C., A PRESSURE BETWEEN ABOUT ATMOSPHERIC AND 10,000 LB./SQ.IN. AND IN THE SUBSTANTIAL ABSENCE OF MOISTURE AND ATMOSPHERIC OXYGEN.
Claim 2
Dependent Claim
67 words
A PROCESS OF PREPARING ORGANIC FLUORINE-CONTAINING COMPOUNDS WHICH COMPRISES REACTING NITROSYL FLUORIDE WITH AN ACYCLIC PERHALOOLEFIN OF UP TO 9 CARBONS IN WHICH ALL HALOGENS ARE OF ATOMIC NUMBER 9-35 AND IN WHICH THERE IS AT LEAST ONE FLUORINE ATOM ON AN UNSATURATED CARBON AT A TEMPERATURE OF 60*-250*C., A PRESSURE BETWEEN ABOUT ATMOSPHERIC AND 10,000 LB./SQ.IN. AND IN THE SUBSTANTIAL ABSENCE OF MOISTURE AND ATMOSPHERIC OXYGEN.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |