US3261732A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous slurry blasting agent containing aluminum and an acetic acid-zinc oxide stabilizer
Assignee: Hercules LLC
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Filing: 1964-06-18
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Granted: 1966-07-19
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Expires: 1984-06-18
Abstract
No abstract record available.
Inventors
- 👤 Clyde W Eilo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:35
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
A GELLED AQUEOUS SLURRY BLASTING AGENT COMPRISING BY WEIGHT (A) FROM ABOUT 20 TO ABOUT 35% OF A SENSITIZING AGENT, (B) FROM ABOUT 15 TO ABOUT 38% OF AMMONIUM NITRATE, (C) FROM ABOUT 7 TO ABOUT 16% OF SODIUM NITRATE, (D) FROM ABOUT 0.4 TO ABOUT 2% OF GUAR GUM CELLING AGENT, (E) FROM ABOUT 7 TO ABOUT 20% OF PARTICULATE ALUMINUM, (F) FROM ABOUT 14 TO ABOUT 22% OF WATER, AND (G) A STABILIZER CONSISTING ESSENTIALLY OF FROM ABOUT 0.01 TO ABOUT 0.1% ACETIC ACID AND FROM ABOUT 0.03 TO ABOUT 0.5% ZINC OXICE AT A PH OF FROM ABOUT 5 TO ABOUT 7 FOR THE FINAL COMPOSITION, ALL PERCENTAGES BY WEIGHT OF THE FINAL COMPOSITION.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |