US3230045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for separating oxygen from other gases
Assignee: Individual
•
Filing: 1961-09-01
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Granted: 1966-01-18
•
Expires: 1981-09-01
Abstract
No abstract record available.
Inventors
- 👤 Wendell S Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:42
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; B01D53/025; C; C01; C01B; C01B13/00; C01B13/02; C01B13/0229; C01B13/0233; C01B13/0244
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
95 words
THE PROCESS OF SEPARATING OXYGEN FROM A MIXTURE OF OXYGEN AND AT LEAST ONE OTHER GAS THAT COMPRISES CONTACTING SAID MIXTURE OF GASES WITH AN AQUEOUS SOLUTION OF A CHROMOPROTEIN CAPABLE OF A REVERSIBLE COMBINATION WITH MOLECULAR OXYGEN, SAID AQUEOUS SOULTION BEING IMPREGNATED ON POROUS BODY, SELECTIVELY ADSORBING ATR LEAST SOME OF SAID OXYGEN ONTO THE CHROMOPROTEIN, WITHDRAWING SAID OTHER GAS FROM THE CHROMOPROTEIN SEPARATELY FROM THE ABSORBED OXYGEN, THEN WITHDRAWING SAID ADSORBED OXYGEN IN GASEOUS FORM FROM THE CHROMOPROTEIN, AND MAINTAINING SAID AQUEOUS SOLUTION IN NON-FLOWING CONDITION, BY SAID POROUS BODY, THROGHOUT SAID PROCESS.
Claim 2
Dependent Claim
95 words
THE PROCESS OF SEPARATING OXYGEN FROM A MIXTURE OF OXYGEN AND AT LEAST ONE OTHER GAS THAT COMPRISES CONTACTING SAID MIXTURE OF GASES WITH AN AQUEOUS SOLUTION OF A CHROMOPROTEIN CAPABLE OF A REVERSIBLE COMBINATION WITH MOLECULAR OXYGEN, SAID AQUEOUS SOULTION BEING IMPREGNATED ON POROUS BODY, SELECTIVELY ADSORBING ATR LEAST SOME OF SAID OXYGEN ONTO THE CHROMOPROTEIN, WITHDRAWING SAID OTHER GAS FROM THE CHROMOPROTEIN SEPARATELY FROM THE ABSORBED OXYGEN, THEN WITHDRAWING SAID ADSORBED OXYGEN IN GASEOUS FORM FROM THE CHROMOPROTEIN, AND MAINTAINING SAID AQUEOUS SOLUTION IN NON-FLOWING CONDITION, BY SAID POROUS BODY, THROGHOUT SAID PROCESS.
Claim 3
Dependent Claim
44 words
APPARATUR FOR SEPARATING OXYGEN FROM A MIXTURE OF OXYGEN AND LEAST ONE OTHER GAS, COMPRISING AN OXYFERRANT CHROMOPROTEIN IN NONFLOWING CONDITION CAPABLE OF A REVERSIBLE COMBINATION WITH MOLECULAR OXYGEN, FIRST MEANS FOR HOLDING SAID OXYFERRANT CHROMOPROTEIN, SECOND MEANS FORMING A PLURALITY OF CHAMBERS COMMUNI-
Claim 4
Dependent Claim
44 words
APPARATUR FOR SEPARATING OXYGEN FROM A MIXTURE OF OXYGEN AND LEAST ONE OTHER GAS, COMPRISING AN OXYFERRANT CHROMOPROTEIN IN NONFLOWING CONDITION CAPABLE OF A REVERSIBLE COMBINATION WITH MOLECULAR OXYGEN, FIRST MEANS FOR HOLDING SAID OXYFERRANT CHROMOPROTEIN, SECOND MEANS FORMING A PLURALITY OF CHAMBERS COMMUNI-
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) | 1969-01-17 | 1969-07-19 | 1970-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-17 | 1973-07-19 | 1974-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-17 | 1977-07-19 | 1978-01-18 | $7700.00 | Window Closed / Lapsed |