US3232028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition and method for absorption and regeneration of carbon dioxide
Assignee: Isomet Corp
•
Filing: 1962-07-02
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Granted: 1966-02-01
•
Expires: 1982-07-02
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Mcdonald
- 👤 George H Walden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:24
CPC Classifications
C; C10; C10K; C10K3/00; Y; Y10; Y10S; Y10S95/00; Y10S95/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
THE METHOD OF PREPARING A SOLID ABSORBENT FOR CARBON DIOXIDE HAVING FINELY DIVIDED MICROPOROUS SILVER OXIDE DISPERSED AND IN ADMIXTURE WITH ALUMINUM OXIDE, COMPRISING THE STEPS OF CO-PRECIPITATING A SILVER SALT AND AN ALUMINUM SALT WITH ALKALI METAL CARBONATE AND HEATING THE PRECIPITATE TO FORM SAID OXIDES.
Claim 2
Independent Claim
47 words
THE METHOD OF PREPARING A SOLID ABSORBENT FOR CARBON DIOXIDE HAVING FINELY DIVIDED MICROPOROUS SILVER OXIDE DISPERSED AND IN ADMIXTURE WITH ALUMINUM OXIDE, COMPRISING THE STEPS OF CO-PRECIPITATING A SILVER SALT AND AN ALUMINUM SALT WITH ALKALI METAL CARBONATE AND HEATING THE PRECIPITATE TO FORM SAID OXIDES.
References Cited (Backward Citations)
US2769016A
Cited
US3078637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |