US3579292A
Expired / Lapsed
US
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Process and composition for separation of oxygen from air using strontium oxide-peroxide as the carrier
Assignee: Union Carbide Corp
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Filing: 1969-01-08
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Granted: 1971-05-18
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Expires: 1989-01-08
Abstract
Abstract BY INCORPORATING AT LEAST ONE ION OF A METAL FROM GROUPS I-A, I-B AN VIII OF THE DEMING PERIODIC TABLE INTO A STRONTIUM OXIDE-PEROXIDE REACTION MASS, A GREAT INCREASE IN THE OXIDATION AND REEUCTION RATES OF THE MASS IS OBTAINED. THIS INCREASE IN REACTION RATES MAKES IT FEASIBLE TO USE THIS SYSTEM AS THE OXYGEN CARRIER IN A CYCLIC, REVERSIBLE OXIDATION-REDUCTION PROCESS FOR THE SEPARATION OF OXYGEN FROM AIR.
Inventors
- 👤 Joseph T Mullhaupt
- 👤 Silviu A Stern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:29
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/02; C01B13/08; C01B13/083
Claims Analysis
Total Claims: 0
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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) | 1974-05-17 | 1974-11-16 | 1975-05-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-17 | 1978-11-16 | 1979-05-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-17 | 1982-11-16 | 1983-05-18 | $7700.00 | Window Closed / Lapsed |