Patent US3299616A successfully refreshed from Google Patents.
US3299616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molecular separation of gaseous mixtures
Assignee: Centre National de la Recherche Scientifique
•
Filing: 1964-03-11
•
Granted: 1967-01-24
•
Expires: 1984-03-11
Abstract
No abstract record available.
Inventors
- 👤 Lucas Rene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:12
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/24; B01D53/22; B01D59/00; B01D59/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A PROCESS FOR SEPERATION, THROUGH FRACTIONATION, OF A GASEOUS MIXTURE OF MOLECULES OF DIFFERENT WEIGHTS AND TRANSLATION SPEEDS IN A STATE OF THERMODYNAMIC EQUILIBIUM COMPRISING PROPELLING SAID MIXTURE AS A GAS JET THROUGH A DEFINED MOBILE OPENING FREE OF CONTACT WITH A MOBILE SURFACE, SAID GAS JET BEING INITIALLY RECTANGULARLY SHAPED AND ROTATED ABOUT AN AXIS PARALLEL TO THE LONGEST DIMENSION OF SAID JET, WHEREBY THE ACTION OF THE ROTATION EFFECTS A SCATTERING OF THE OUTGOING GASEOUS MIXTURE LONG PLANES PERPENDICULAR TO SAID AXIS OF ROTATION INTO ENRICHED FRACTIONS, AND SEPARATELY TRAPPING SAID FRACTIONS OF THE MIXTURE DIRECTLY FROM SAID GAS JET.
Claim 2
Dependent Claim
102 words
A PROCESS FOR SEPERATION, THROUGH FRACTIONATION, OF A GASEOUS MIXTURE OF MOLECULES OF DIFFERENT WEIGHTS AND TRANSLATION SPEEDS IN A STATE OF THERMODYNAMIC EQUILIBIUM COMPRISING PROPELLING SAID MIXTURE AS A GAS JET THROUGH A DEFINED MOBILE OPENING FREE OF CONTACT WITH A MOBILE SURFACE, SAID GAS JET BEING INITIALLY RECTANGULARLY SHAPED AND ROTATED ABOUT AN AXIS PARALLEL TO THE LONGEST DIMENSION OF SAID JET, WHEREBY THE ACTION OF THE ROTATION EFFECTS A SCATTERING OF THE OUTGOING GASEOUS MIXTURE LONG PLANES PERPENDICULAR TO SAID AXIS OF ROTATION INTO ENRICHED FRACTIONS, AND SEPARATELY TRAPPING SAID FRACTIONS OF THE MIXTURE DIRECTLY FROM SAID GAS JET.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |