US3341383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous ammonium nitrate explosive slurries containing partially hydrolyzed acrylamide polymer
Assignee: Stein Hall and Co Inc
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Filing: 1966-08-12
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Granted: 1967-09-12
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Expires: 1986-08-12
Abstract
No abstract record available.
Inventors
- 👤 Bergwerk Jack Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:07
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A POURABLE, NONSEPARATING EXPLOSIVE SLURRY COMPOSITION CONTAINING AS ITS ESSENTIAL INGREDIENTS (A) FROM ABOUT 30% TO ABOUT 65% BY WEIGHT OF AMMONIUM NITRATE, (B) FROM ABOUT 15% TO ABOUT 50% BY WEIGHT OF AN EXPLOSIVE SENSITIZER, (C) FROM ABOUT 5% TO ABOUT 25% BY WEIGHT OF WATER, (D) FROM ABOUT 0.1% TO ABOUT 5% BY WEIGHT OF A PARTIALLY HYDROLYZED ACRYLAMIDE POLYMER HAVING A DEGREE OF HYDROLYSIS SUCH THAT 15% TO 40% OF THE MONOMERIC UNITS THEREIN HAVE BEEN CONVERTED TO THE HYDROLYZED FORM, AND THE POLYMER HAVING A MOLECULAR WEIGHT SUCH THAT A 1% SOLUTION OF THE POLYMER IN DISTILLED WATER WILL HAVE A VISCOSITY IN THE RAGE OF 1500-7000 CENTIPOISES AT 25* C.
Claim 2
Dependent Claim
115 words
A POURABLE, NONSEPARATING EXPLOSIVE SLURRY COMPOSITION CONTAINING AS ITS ESSENTIAL INGREDIENTS (A) FROM ABOUT 30% TO ABOUT 65% BY WEIGHT OF AMMONIUM NITRATE, (B) FROM ABOUT 15% TO ABOUT 50% BY WEIGHT OF AN EXPLOSIVE SENSITIZER, (C) FROM ABOUT 5% TO ABOUT 25% BY WEIGHT OF WATER, (D) FROM ABOUT 0.1% TO ABOUT 5% BY WEIGHT OF A PARTIALLY HYDROLYZED ACRYLAMIDE POLYMER HAVING A DEGREE OF HYDROLYSIS SUCH THAT 15% TO 40% OF THE MONOMERIC UNITS THEREIN HAVE BEEN CONVERTED TO THE HYDROLYZED FORM, AND THE POLYMER HAVING A MOLECULAR WEIGHT SUCH THAT A 1% SOLUTION OF THE POLYMER IN DISTILLED WATER WILL HAVE A VISCOSITY IN THE RAGE OF 1500-7000 CENTIPOISES AT 25* C.
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |