Patent US3018164A successfully refreshed from Google Patents.
US3018164A
Expired / Lapsed
US
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Method for stabilizing of ammonium nitrate
Assignee: Phillips Petroleum Co
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Filing: 1958-11-28
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Granted: 1962-01-23
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Expires: 1978-11-28
Abstract
No abstract record available.
Inventors
- 👤 Eugene D Guth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:34
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/18; C05; C05C; C05C1/00; C05C1/02; Y; Y10; Y10S; Y10S149/00; Y10S149/11; Y10S149/112
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
A METHOD FOR PHASE STABILIZING AMMONIUM NITRATE WITH LESS THAN 8 WEIGHT PERCENT OF POTASSIUM NITRATE, WHICH METHOD COMPRISES, IN COMBINATION, THE STEPS OF: FORMING A STABILIZED SOLID SOLUTION OF AMMONIUM NITRATE AND POTASSIUM NITRATE CONTAINING FROM ABOUT 90 TO ABOUT 85 WEIGHT PERCENT OF AMMONIUM NITRATE AND FROM ABOUT 10 TO ABOUT 15 WEIGHT PERCENT OF POTASSIUM NITRATE; ADMIXING AN ALIQUOT PORTION OF SAID SOLID SOLUTION WITH ESSENTIALLY PURE ADDITIONAL AMMONIUM NITRATE WHICH IS TO BE STABILIZED, SAID ALIQUOT PORTION BEING AN AMOUNT SUFFICIENT TO FORM A MIXTURE CONTAINING LESS THAN 8 WEIGHT PERCENT BUT SUFFICIENT POTASSIUM NITRATE TO PREVENT THE APPEARANCE OF PHASE IV OF AMMONIUM NITRATE AFTER SAID MIXTURE HAS BEEN HEATED AS DESCRIBED HEREINAFTER; AND HEATING SAID MIXTURE TO A TEMPERATURE ABOVE THE MELTING POINT OF SAID SOLID SOLUTION BUT BELOW THE MELTING POINT OF SAID ADDITIONAL AMMONIUM NITRATE FOR A PERIOD OF TIME SUFFICIENT TO STABILIZE SAID UNSTABILIZED AMMONIUM NITRATE.
Claim 2
Independent Claim
155 words
A METHOD FOR PHASE STABILIZING AMMONIUM NITRATE WITH LESS THAN 8 WEIGHT PERCENT OF POTASSIUM NITRATE, WHICH METHOD COMPRISES, IN COMBINATION, THE STEPS OF: FORMING A STABILIZED SOLID SOLUTION OF AMMONIUM NITRATE AND POTASSIUM NITRATE CONTAINING FROM ABOUT 90 TO ABOUT 85 WEIGHT PERCENT OF AMMONIUM NITRATE AND FROM ABOUT 10 TO ABOUT 15 WEIGHT PERCENT OF POTASSIUM NITRATE; ADMIXING AN ALIQUOT PORTION OF SAID SOLID SOLUTION WITH ESSENTIALLY PURE ADDITIONAL AMMONIUM NITRATE WHICH IS TO BE STABILIZED, SAID ALIQUOT PORTION BEING AN AMOUNT SUFFICIENT TO FORM A MIXTURE CONTAINING LESS THAN 8 WEIGHT PERCENT BUT SUFFICIENT POTASSIUM NITRATE TO PREVENT THE APPEARANCE OF PHASE IV OF AMMONIUM NITRATE AFTER SAID MIXTURE HAS BEEN HEATED AS DESCRIBED HEREINAFTER; AND HEATING SAID MIXTURE TO A TEMPERATURE ABOVE THE MELTING POINT OF SAID SOLID SOLUTION BUT BELOW THE MELTING POINT OF SAID ADDITIONAL AMMONIUM NITRATE FOR A PERIOD OF TIME SUFFICIENT TO STABILIZE SAID UNSTABILIZED AMMONIUM NITRATE.
References Cited (Backward Citations)
GB573147A
Cited
US2590054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |