Patent US2706147A successfully refreshed from Google Patents.
US2706147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for ammonia manufacture
Assignee: Texaco Development Corp
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Filing: 1953-07-01
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Granted: 1955-04-12
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Expires: 1973-07-01
Abstract
No abstract record available.
Inventors
- 👤 Peter L Paull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:25
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A PROCESS FOR PREPARING AMMONIA WHICH COMPRISES REACTING A CARBONACEAOUS FUEL WITH OXYGEN AND MANGANESE OXIDE AT A TEMPERATURE ABOVE 1,800*F. WHEREBY A PRODUCT GAS COMPRISING MAINLY CARBON MONOXIDE AND HYDROGEN IS FORMED AND SAID MANGANESE OXIDE IS CONVERTED TO METALLIC MANGANESE, SEPARATING SAID MANGANESE FROM SAID PRODUCT GAS, REACTING MANGANESE WITH NITROGEN AT A TEMPERATURE OF 1,000 TO 2,200* F. AND UNDER PRESSURES OF 100 TO 4,00 P.S.I.G. TO FORM MANGANESE NITRIDE, REACTING SAID MANGANESE NITRIDE WITH WATER TO YIELD MANGANESE OXIDE AND AMMONIA, SEPARATING MANAGANESE OXIDE FROM WATER AND AMMONIA AND RECYCLING SAID MANGANESE OXIDE TO THE REACTION ZONE TO REACT WITH SAID CARBONACEOUS FUEL AND OXYGEN.
Claim 2
Dependent Claim
109 words
A PROCESS FOR PREPARING AMMONIA WHICH COMPRISES REACTING A CARBONACEAOUS FUEL WITH OXYGEN AND MANGANESE OXIDE AT A TEMPERATURE ABOVE 1,800*F. WHEREBY A PRODUCT GAS COMPRISING MAINLY CARBON MONOXIDE AND HYDROGEN IS FORMED AND SAID MANGANESE OXIDE IS CONVERTED TO METALLIC MANGANESE, SEPARATING SAID MANGANESE FROM SAID PRODUCT GAS, REACTING MANGANESE WITH NITROGEN AT A TEMPERATURE OF 1,000 TO 2,200* F. AND UNDER PRESSURES OF 100 TO 4,00 P.S.I.G. TO FORM MANGANESE NITRIDE, REACTING SAID MANGANESE NITRIDE WITH WATER TO YIELD MANGANESE OXIDE AND AMMONIA, SEPARATING MANAGANESE OXIDE FROM WATER AND AMMONIA AND RECYCLING SAID MANGANESE OXIDE TO THE REACTION ZONE TO REACT WITH SAID CARBONACEOUS FUEL AND OXYGEN.
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) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |