Patent US3030179A successfully refreshed from Google Patents.
US3030179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of ammonium nitrate compositions
Assignee: Monsanto Chemicals Ltd
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Filing: 1958-08-18
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Granted: 1962-04-17
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Expires: 1978-08-18
Abstract
No abstract record available.
Inventors
- 👤 Richard F Mcfarlin
- 👤 Jr Joseph G Stites
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:30
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/18; C05; C05C; C05C1/00; C05C1/02; C06; C06B; C06B21/00; C06B21/0033; C06B21/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
AN IMPROVED PROCESS FOR PREPARING DIMENSIONALLY STABLE AMMONIUM NITRATE WHICH COMPRISES (A) FORMING A MOLTEN NH4NO3 COMPOSITION CONTAINING DISSOLVED THEREIN AN ALKALINE EARTH METAL NITRATE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM NITRATE, CALCIUM NITRATE, AND MIXTURES THEREOF, IN AN AMOUNT EQUIVALENT TO BETWEEN ABOUT 0.02 AND ABOUT 3 WEIGHT PERCENT, BASED UPON THE NH4NO3 CONTENT OF THE COMPOSITION, OF THE CORRESPONDING ALKALINE EARTH METAL OXIDE, AND AN AMOUNT OF WATER GREATER THAN THAT COVERED BY THE AREA ABCDE OF THE DRAWING, (B) EVAPORATING THE WATER FROM SAID MOLTEN COMPOSITION WHILE MAINTAINING SAID COMPOSITION IN THE MOLTEN STATE AND UNTIL THE WATER CONTENT THEREOF IS WITHIN THAT COVERED BY THE AREA ABCDE OF THE DRAWING AND LESS THAN ABOUT 2 WEIGHT PERCENT OF THE NH4NO3, AND THEREAFTER (C) COOLING SAID MOLTEN COMPOSITION TO A TEMPERATURE BELOW WHICH IT SOLIDIFIES.
Claim 2
Dependent Claim
139 words
AN IMPROVED PROCESS FOR PREPARING DIMENSIONALLY STABLE AMMONIUM NITRATE WHICH COMPRISES (A) FORMING A MOLTEN NH4NO3 COMPOSITION CONTAINING DISSOLVED THEREIN AN ALKALINE EARTH METAL NITRATE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM NITRATE, CALCIUM NITRATE, AND MIXTURES THEREOF, IN AN AMOUNT EQUIVALENT TO BETWEEN ABOUT 0.02 AND ABOUT 3 WEIGHT PERCENT, BASED UPON THE NH4NO3 CONTENT OF THE COMPOSITION, OF THE CORRESPONDING ALKALINE EARTH METAL OXIDE, AND AN AMOUNT OF WATER GREATER THAN THAT COVERED BY THE AREA ABCDE OF THE DRAWING, (B) EVAPORATING THE WATER FROM SAID MOLTEN COMPOSITION WHILE MAINTAINING SAID COMPOSITION IN THE MOLTEN STATE AND UNTIL THE WATER CONTENT THEREOF IS WITHIN THAT COVERED BY THE AREA ABCDE OF THE DRAWING AND LESS THAN ABOUT 2 WEIGHT PERCENT OF THE NH4NO3, AND THEREAFTER (C) COOLING SAID MOLTEN COMPOSITION TO A TEMPERATURE BELOW WHICH IT SOLIDIFIES.
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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |