Patent US3282750A successfully refreshed from Google Patents.
US3282750A
Expired / Lapsed
US
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Trioxygen difluoride in liquid oxygen
Assignee: Airco Inc
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Filing: 1964-12-31
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Granted: 1966-11-01
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Expires: 1984-12-31
Abstract
No abstract record available.
Inventors
- 👤 Russell A Hemstreet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:59
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A PROCESS FOR THE PRODUCTION AT A TEMPERATURE OF ABOUT 90*K. OF O3F2 IN LIQUID OXYGEN COMPRISING, INTRODUCING GASEOUS FLUORINE AT A TEMPERATURE IN THE RANGE OF ABOUT AMBIENT TO ABOUT THAT TEMPERATURE OF LIQUID OXYGEN INTO A POOL OF LIQUID OXYGEN, IRRADIATING SAID MIXTURE OF OXYGEN AND FLUORINE WITH RADIATION OF A WAVE LENGTH OF BETWEEN ABOUT 2,000 AND 5,000 A. AND SUBJECTING THE MIXTURE TO SAID RADIATION FOR A PERIOD OF TIME SUFFICIENT TO PRODUCE MORE THAN ABOUT .05 WEIGHT PERCENT AND UP TO .11 WEIGHT PERCENT O3F2 IN LIQUID OXYGEN.
Claim 2
Dependent Claim
93 words
A PROCESS FOR THE PRODUCTION AT A TEMPERATURE OF ABOUT 90*K. OF O3F2 IN LIQUID OXYGEN COMPRISING, INTRODUCING GASEOUS FLUORINE AT A TEMPERATURE IN THE RANGE OF ABOUT AMBIENT TO ABOUT THAT TEMPERATURE OF LIQUID OXYGEN INTO A POOL OF LIQUID OXYGEN, IRRADIATING SAID MIXTURE OF OXYGEN AND FLUORINE WITH RADIATION OF A WAVE LENGTH OF BETWEEN ABOUT 2,000 AND 5,000 A. AND SUBJECTING THE MIXTURE TO SAID RADIATION FOR A PERIOD OF TIME SUFFICIENT TO PRODUCE MORE THAN ABOUT .05 WEIGHT PERCENT AND UP TO .11 WEIGHT PERCENT O3F2 IN LIQUID 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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |