Patent US3303073A successfully refreshed from Google Patents.
US3303073A
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Ammonium nitrate-fuel oil explosive containing anti-static ingredinent
Assignee: PPG Architectural Coatings Canada Inc
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Filing: 1965-03-12
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Granted: 1967-02-07
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Expires: 1985-03-12
Abstract
No abstract record available.
Inventors
- 👤 Graham George Whitlock
- 👤 Lusby George Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:56
CPC Classifications
C; C06; C06B; C06B23/00; C06B23/009; F; F02; F02B; F02B3/00; F02B3/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
101 words
AN EXPLOSIVE COMPOSITION RESISTANT TO THE DEVELOPMENT OF CHARGES OF STATIC ELECTRICITY COMPRISING FROM 30% TO 96% BY WEIGHT OF AMMONIUM NITRATE, FROM 1% TO 25% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF FINELY DIVIDED ALUMINUM AND ALLOYS THEREOF, FROM 2% TO 15% BY WEIGHT OF AN OLEAGINOUS FUEL FROM 0% TO 35% BY WEIGHT OF SODIUM NITRATE, AND FROM 0.05% TO 1.0% BY WEIGHT OF AT LEAST ONE ADDITIVE SELECTED FROM THE GROUP CONSISTING OF THE REACTION PRODUCTS OF A MIXTURE OF SECONDARY, AND TERTIARY ALIPHATIC AMINES WITH A MIXTURE OF HIGH MOLECULAR WEIGHT FATTY ACIDS.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |