US2568901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing ammonium nitrate
Assignee: Commercial Solvents Corp
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Filing: 1947-05-03
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Granted: 1951-09-25
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Expires: 1967-05-03
Abstract
No abstract record available.
Inventors
- 👤 Leonard A Stengel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:42
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/18; C01C1/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A ONE-STEP PROCESS FOR PRODUCING AMMONIUM NITRATE CONTAINING REGULATED AMOUNTS OF WATER, WHICH COMPRISES CONTINUOUSLY REACTING, AT A TEMPERATURE OF FROM ABOUT 160* TO 300* C., AMMONIA VAPORS WITH NITRIC ACID IN A REACTION ZONE WHICH IS FILLED WITH INERT PACKING MATERIALS SERVING TO INCREASE THE SURFACE CONTACT AREA AND WHICH IS FREE TO DRAIN AT ITS LOWER END SO THAT THE ZONE IS MAINTAINED SUBSTANTIALLY FREE FROM LIQUID REACTION PRODUCTS, AND REMOVING REACTION PRODUCTS FROM SAID REACTION ZONE AS RAPIDLY AS POSSIBLE IN TWO PHASES, ONE OF WHICH IS SUBSTAN-
Claim 2
Dependent Claim
91 words
A ONE-STEP PROCESS FOR PRODUCING AMMONIUM NITRATE CONTAINING REGULATED AMOUNTS OF WATER, WHICH COMPRISES CONTINUOUSLY REACTING, AT A TEMPERATURE OF FROM ABOUT 160* TO 300* C., AMMONIA VAPORS WITH NITRIC ACID IN A REACTION ZONE WHICH IS FILLED WITH INERT PACKING MATERIALS SERVING TO INCREASE THE SURFACE CONTACT AREA AND WHICH IS FREE TO DRAIN AT ITS LOWER END SO THAT THE ZONE IS MAINTAINED SUBSTANTIALLY FREE FROM LIQUID REACTION PRODUCTS, AND REMOVING REACTION PRODUCTS FROM SAID REACTION ZONE AS RAPIDLY AS POSSIBLE IN TWO PHASES, ONE OF WHICH IS SUBSTAN-
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) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |