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US2657977A
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Process for preventing the physical disintegration of ammonium nitrate by temperature fluctuations
Assignee: Commercial Solvents Corp
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Filing: 1949-09-21
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Granted: 1953-11-03
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Expires: 1969-09-21
Abstract
No abstract record available.
Inventors
- 👤 Leonard A Stengel
- 👤 John W Brodhacker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:33
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/18; C01C1/185; C05; C05C; C05C1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A PROCESS FOR PREVENTING THE PHYSICAL DISINTEGRATION BY TEMPERATURE FLUCTUATIONS OF AMMONIUM NITRATE PRODUCE BY THE REACTION OF AMMONIA AND NITRIC ACID, WHICH COMPRISES ADDING AND THOROUGHLY MIXING WITH SAID ACID BEFORE SAID REACTION SUFFICIENT QUANTITIES OF SULFURIC ACID TO GIVE AN AMMONIUM NITRATE PRODUCT CONTAINING FROM ABOUT 0.25 TO 5.0% OF AMMONIUM SULFATE.
Claim 2
Dependent Claim
54 words
A PROCESS FOR PREVENTING THE PHYSICAL DISINTEGRATION BY TEMPERATURE FLUCTUATIONS OF AMMONIUM NITRATE PRODUCE BY THE REACTION OF AMMONIA AND NITRIC ACID, WHICH COMPRISES ADDING AND THOROUGHLY MIXING WITH SAID ACID BEFORE SAID REACTION SUFFICIENT QUANTITIES OF SULFURIC ACID TO GIVE AN AMMONIUM NITRATE PRODUCT CONTAINING FROM ABOUT 0.25 TO 5.0% OF AMMONIUM SULFATE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |