US3223478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage stability of ammonium nitrate
Assignee: Phillips Petroleum Co
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Filing: 1962-05-09
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Granted: 1965-12-14
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Expires: 1982-05-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:12
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/18; C06B45/30; C06B45/32; C01; C01C; C01C1/00; C01C1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A METHOD FOR IMPROVING THE STORAGE STABILITY OF PARTICULATE AMMONIUM NITRATE, WHICH COMPRISES COATING SAID AMMONIUM NITRATE WITH A MATERIAL WHICH COMPRISES, AS THE SOLE ESSENTIAL STORAGE STABILITY AGENT, AN ADMIXTURE OF A MINOR AMOUNT OF A WATER INSOLUBLE ALKALINE EARTH METAL PETROLEUM SULFONATE OF A DEASPHALTED AND SOLVENT REFINED LUBRICATING OIL BRIGHT STOCK HAVING A VISCOSITY OF AT LEAST 90 SUS AT 210*F. AN A MAJOR AMOUNT OF AN INORGANIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF ATTAPULGITE, KAOLIN, AND DIATOMACEOUS EARTH, SAID AGENT BEING EMPLOYED IN AN SUFFICIENT TO IMPROVE THE STORAGE STABILITY OF SAID AMMONIUM NITRATE.
Claim 2
Independent Claim
99 words
A METHOD FOR IMPROVING THE STORAGE STABILITY OF PARTICULATE AMMONIUM NITRATE, WHICH COMPRISES COATING SAID AMMONIUM NITRATE WITH A MATERIAL WHICH COMPRISES, AS THE SOLE ESSENTIAL STORAGE STABILITY AGENT, AN ADMIXTURE OF A MINOR AMOUNT OF A WATER INSOLUBLE ALKALINE EARTH METAL PETROLEUM SULFONATE OF A DEASPHALTED AND SOLVENT REFINED LUBRICATING OIL BRIGHT STOCK HAVING A VISCOSITY OF AT LEAST 90 SUS AT 210*F. AN A MAJOR AMOUNT OF AN INORGANIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF ATTAPULGITE, KAOLIN, AND DIATOMACEOUS EARTH, SAID AGENT BEING EMPLOYED IN AN SUFFICIENT TO IMPROVE THE STORAGE STABILITY OF SAID AMMONIUM NITRATE.
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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) | 1968-12-13 | 1969-06-14 | 1969-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-13 | 1973-06-14 | 1973-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-13 | 1977-06-14 | 1977-12-14 | $7700.00 | Window Closed / Lapsed |