Patent US3190774A successfully refreshed from Google Patents.
US3190774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coated ammonium nitrate compositons of improved storage stability
Assignee: Phillips Petroleum Co
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Filing: 1963-09-23
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Granted: 1965-06-22
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Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:29
CPC Classifications
C; C05; C05C; C05C1/00; C05C1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
AN EXPLOSIVE COMPOSITION COMPRISING A MAJOR AMOUNT OF AMMONIUM NITRATE, COATED WITH A COATING AGENT, AND A MINOR AMOUNT OF A COMBUSTIBLE CARBONACEOUS MATERIAL, SAID COATING AGENT COMPRISING IN ADMIXTURE A MINOR AMOUNT OF AN ALKALI METAL SALT OF AN ALKYLARYL SULFONIC ACID AND A MAJOR AMOUNT OF SILICA-ALUMINA HAVING AN SIO2 CONTENT TO 60 TO 60 WEIGHT PERCENT, AN AL2O3 CONTENT OF 7 TO 14 WEIGHT PERCENT, AND AN NA2O CONTENT OF 3 TO 10 WEIGHT PERCENT.
Claim 2
Dependent Claim
78 words
AN EXPLOSIVE COMPOSITION COMPRISING A MAJOR AMOUNT OF AMMONIUM NITRATE, COATED WITH A COATING AGENT, AND A MINOR AMOUNT OF A COMBUSTIBLE CARBONACEOUS MATERIAL, SAID COATING AGENT COMPRISING IN ADMIXTURE A MINOR AMOUNT OF AN ALKALI METAL SALT OF AN ALKYLARYL SULFONIC ACID AND A MAJOR AMOUNT OF SILICA-ALUMINA HAVING AN SIO2 CONTENT TO 60 TO 60 WEIGHT PERCENT, AN AL2O3 CONTENT OF 7 TO 14 WEIGHT PERCENT, AND AN NA2O CONTENT OF 3 TO 10 WEIGHT PERCENT.
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) | 1968-06-21 | 1968-12-21 | 1969-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-21 | 1972-12-21 | 1973-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-21 | 1976-12-21 | 1977-06-22 | $7700.00 | Window Closed / Lapsed |