Patent US3126340A successfully refreshed from Google Patents.
US3126340A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of increasing alkalinity of com-
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
•
Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:12
CPC Classifications
C; C10; C10M; C10M159/00; C10M159/12; C10M159/20; Y; Y10; Y10S; Y10S516/00; Y10S516/924; Y10S516/928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A METHOD OF INCREASING THE ALKALINITY OF A COMPOSITION WHICH IS PERMEABLE TO GASES AND WHICH IS MISCIBLE WITH ALKALINE EARTH METAL OXIDES, WHICH COMRISES: ADMIXING SAID COMPOSITION WITH A MEMBER OF THE GROUP CONSISTING OF ALKALINE EARTH METAL OXIDES AND HYDROXIDES, INTRODUCING GASEOUS CARBON DIOXIDE AND AMMONIA INTO SAID ADMIXTURE AT A TEMPERATURE BELOW THE DECOMPOSITION TEMPERATURE OF AMMONIUM CARBAMATE, AND HEATING THE RESULTING MIXTURE IN THE PRESENCE OF WATER TO BE TEMPERATURE SUFFICIENT TO CONVERT THE AMMONIUM CARBAMATE TO AN ALKALINE EARTH METAL CARBAMATE, AND THENCE TO CONVERT THE ALKALINE EARTH METAL CARBAMATE TO THE ALKALINE EARTH METAL CARBONATE.
Claim 2
Independent Claim
101 words
A METHOD OF INCREASING THE ALKALINITY OF A COMPOSITION WHICH IS PERMEABLE TO GASES AND WHICH IS MISCIBLE WITH ALKALINE EARTH METAL OXIDES, WHICH COMRISES: ADMIXING SAID COMPOSITION WITH A MEMBER OF THE GROUP CONSISTING OF ALKALINE EARTH METAL OXIDES AND HYDROXIDES, INTRODUCING GASEOUS CARBON DIOXIDE AND AMMONIA INTO SAID ADMIXTURE AT A TEMPERATURE BELOW THE DECOMPOSITION TEMPERATURE OF AMMONIUM CARBAMATE, AND HEATING THE RESULTING MIXTURE IN THE PRESENCE OF WATER TO BE TEMPERATURE SUFFICIENT TO CONVERT THE AMMONIUM CARBAMATE TO AN ALKALINE EARTH METAL CARBAMATE, AND THENCE TO CONVERT THE ALKALINE EARTH METAL CARBAMATE TO THE ALKALINE EARTH METAL CARBONATE.
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) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |