US2855271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of uranium hexafluoride from organic fluoro compounds
Assignee: Individual
•
Filing: 1945-06-01
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Granted: 1958-10-07
•
Expires: 1965-06-01
Abstract
No abstract record available.
Inventors
- 👤 Willard F Libby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:53
CPC Classifications
C; C01; C01G; C01G43/00; C01G43/04; C01G43/06; C01G43/063
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
THE METHOD OF REMOVING FROM UF6 PERFLUORO ORGANIC COMPOUNDS HAVING PROPERTIES THAT MAKE THEM HARD TO SEPARATE BY ORDINARY METHODS WHICH COMPRISES THE STEPS OF HEATING THE MIXTURE CONTAINING THE UF6 AND THE PERFLUORO COMPOUNDS IN AN INERT CONTAINER TO A TEMPERATURE, AND AT A PRESSURE, AT WHICH THE PERFLUORO COMPOUNDS ARE PYROLYZED, BUT AT WHICH THE UF6 IS THERMALLY STABLE, WHEREBY COMPOUNDS ARE PRODUCED FROM THE PERFLUORO COMPOUNDS THAT CAN BE SEPARATED FROM UF6 BY ORDINARY METHODS OF SEPARATION.
Claim 2
Independent Claim
80 words
THE METHOD OF REMOVING FROM UF6 PERFLUORO ORGANIC COMPOUNDS HAVING PROPERTIES THAT MAKE THEM HARD TO SEPARATE BY ORDINARY METHODS WHICH COMPRISES THE STEPS OF HEATING THE MIXTURE CONTAINING THE UF6 AND THE PERFLUORO COMPOUNDS IN AN INERT CONTAINER TO A TEMPERATURE, AND AT A PRESSURE, AT WHICH THE PERFLUORO COMPOUNDS ARE PYROLYZED, BUT AT WHICH THE UF6 IS THERMALLY STABLE, WHEREBY COMPOUNDS ARE PRODUCED FROM THE PERFLUORO COMPOUNDS THAT CAN BE SEPARATED FROM UF6 BY ORDINARY METHODS OF SEPARATION.
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) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |