US3061413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing oxygen
Assignee: FMC Corp
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Filing: 1959-11-16
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Granted: 1962-10-30
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Expires: 1979-11-16
Abstract
No abstract record available.
Inventors
- 👤 Gosta C Akerlof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:34
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/02; C01B13/0203; C01B13/0211
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE METHOD OF PRODUCING OXYGEN AT A CONSTANT RATE WHICH COMPRISES REACTING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A STABLE, SOLID, NORMAL ALKALI METAL PEROXIDE AND A STABLE, SOLID ALKALI METAL SUPEROXIDE, WITH A SOLID INORGANIC SALT CONTAINING CRYSTALLINE HYDROGEN PEROXIDE, SAID REACTION TAKING PLACE AT ROOM TEMPERATURE AND IN THE ABSENCE OF A LIQUID SELECTED FROM THE GROUP CONSISTING OF HYDROGEN PEROXIDE AND WATER, SAID SOLID INORGANIC SALT CONTAINING CRYSTALLINE HYDROGEN PEROXIDE HAVING A SOLUBILITY NO HIGHER THAN 65% BY WEIGHT IN WATER WHEN REACTED WITH SAID SOLID ALKALI METAL SUPEROXIDE.
Claim 2
Independent Claim
94 words
THE METHOD OF PRODUCING OXYGEN AT A CONSTANT RATE WHICH COMPRISES REACTING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A STABLE, SOLID, NORMAL ALKALI METAL PEROXIDE AND A STABLE, SOLID ALKALI METAL SUPEROXIDE, WITH A SOLID INORGANIC SALT CONTAINING CRYSTALLINE HYDROGEN PEROXIDE, SAID REACTION TAKING PLACE AT ROOM TEMPERATURE AND IN THE ABSENCE OF A LIQUID SELECTED FROM THE GROUP CONSISTING OF HYDROGEN PEROXIDE AND WATER, SAID SOLID INORGANIC SALT CONTAINING CRYSTALLINE HYDROGEN PEROXIDE HAVING A SOLUBILITY NO HIGHER THAN 65% BY WEIGHT IN WATER WHEN REACTED WITH SAID SOLID ALKALI METAL SUPEROXIDE.
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |