US3344050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removal of carbon dioxide from gaseous atmospheres
Assignee: Girdler Corp
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Filing: 1964-02-03
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Granted: 1967-09-26
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Expires: 1984-02-03
Abstract
No abstract record available.
Inventors
- 👤 Bertrand J Mayland
- 👤 Steinberger Robert John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:47
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/62; Y; Y02; Y02A; Y02A50/00; Y02A50/20; Y02C; Y02C20/00; Y02C20/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PROCESS FOR THE REMOVAL OF CARBON DIOXIDE FROM A GASEOUS ATMOSPHERE TO RENDER SAID ATMOSPHERE SUITABLE FOR RE-BREATHING WHICH COMPRISES SUBJECTING THE SAID ATMOSPHERE TO A SOLUTION OF AN ALKALI METAL CARBONATE AND AN ALKALI METAL HYDROXIDE SO AS TO ABSORB CARBON DIOXIDE FROM THE SAID ATMOSPHERE WITH THE FORMATION OF ACID CARBONATE FROM THE CARBONATE AND CARBONATE FROM THE HYDROXIDE, THE SOLUTION THEREBY BECOMING SPENT, AND THEN REGENERATING THE SPENT SOLUTION FOR REUSE BY SUBJECTING IT TO ELECTROLYSIS TO THE EXTENT OF CONVERTING THE ACID CARBONATE TO THE NORMAL CARBONATE SALT AND TO THE EXTENT OF REGENERATING THE HYDROXIDE, THE SAID ELECTROLYSIS BEING
Claim 2
Dependent Claim
105 words
A PROCESS FOR THE REMOVAL OF CARBON DIOXIDE FROM A GASEOUS ATMOSPHERE TO RENDER SAID ATMOSPHERE SUITABLE FOR RE-BREATHING WHICH COMPRISES SUBJECTING THE SAID ATMOSPHERE TO A SOLUTION OF AN ALKALI METAL CARBONATE AND AN ALKALI METAL HYDROXIDE SO AS TO ABSORB CARBON DIOXIDE FROM THE SAID ATMOSPHERE WITH THE FORMATION OF ACID CARBONATE FROM THE CARBONATE AND CARBONATE FROM THE HYDROXIDE, THE SOLUTION THEREBY BECOMING SPENT, AND THEN REGENERATING THE SPENT SOLUTION FOR REUSE BY SUBJECTING IT TO ELECTROLYSIS TO THE EXTENT OF CONVERTING THE ACID CARBONATE TO THE NORMAL CARBONATE SALT AND TO THE EXTENT OF REGENERATING THE HYDROXIDE, THE SAID ELECTROLYSIS BEING
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) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |