Patent US1837723A successfully refreshed from Google Patents.
Patent US3321344A successfully refreshed from Google Patents.
US3321344A
Expired / Lapsed
US
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Explosive gel composition containing urea and sodium chloride
Assignee: Wyeth Holdings LLC
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Filing: 1964-08-24
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Granted: 1967-05-23
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Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 Arbie John Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:26
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A STABLE, SOFT, NON-SEPARATING EXPLOSIVE GEL COMPOSITION OF IMPROVED ANTI-FREEZE PROPERTIES COMPRISING ON A WEIGHT BASIS (A) FROM ABOUT 15 TO ABOUT 80 PERCENT OF AMMONIUM NITRATE, (B) FROM 0 TO ABOUT 25 PERCENT OF AN ALKALI METAL NITRATE, (C) FROM ABOUT 2 TO ABOUT 50 PERCENT OF A NITRATED ORGANIC SENSITIZER, (D) FROM ABOUT 5 TO ABOUT 25 PERCENT OF WATER, (E) FROM ABOUT 0.05 TO ABOUT 2 PERCENT OF A POLYACRYLAMIDE HAVING AN APPARENT MOLECULAR WEIGHT OF FROM ABOUT 1 MILLION TO ABOUT 25 MILLION AND A HYDROLYZED FREE ACID CONTENT OF FROM ABOUT 0.1 TO ABOUT 8 WEIGHT PERCENT, (F) FROM ABOUT 0.01 TO ABOUT 0.5 PERCENT OF AN INORGANIC POLYVALENT METAL SALT CROSS-LINKING AGENT, (G) FROM ABOUT 1 TO ABOUT 15 PERCENT OF UREA, AND (H) FROM ABOUT 1 TO ABOUT 15 PERCENT OF SODIUM CHLORIDE.
Claim 2
Dependent Claim
140 words
A STABLE, SOFT, NON-SEPARATING EXPLOSIVE GEL COMPOSITION OF IMPROVED ANTI-FREEZE PROPERTIES COMPRISING ON A WEIGHT BASIS (A) FROM ABOUT 15 TO ABOUT 80 PERCENT OF AMMONIUM NITRATE, (B) FROM 0 TO ABOUT 25 PERCENT OF AN ALKALI METAL NITRATE, (C) FROM ABOUT 2 TO ABOUT 50 PERCENT OF A NITRATED ORGANIC SENSITIZER, (D) FROM ABOUT 5 TO ABOUT 25 PERCENT OF WATER, (E) FROM ABOUT 0.05 TO ABOUT 2 PERCENT OF A POLYACRYLAMIDE HAVING AN APPARENT MOLECULAR WEIGHT OF FROM ABOUT 1 MILLION TO ABOUT 25 MILLION AND A HYDROLYZED FREE ACID CONTENT OF FROM ABOUT 0.1 TO ABOUT 8 WEIGHT PERCENT, (F) FROM ABOUT 0.01 TO ABOUT 0.5 PERCENT OF AN INORGANIC POLYVALENT METAL SALT CROSS-LINKING AGENT, (G) FROM ABOUT 1 TO ABOUT 15 PERCENT OF UREA, AND (H) FROM ABOUT 1 TO ABOUT 15 PERCENT OF SODIUM CHLORIDE.
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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |