Patent US3728175A successfully refreshed from Google Patents.
US3728175A
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US
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Slurry explosives
Assignee: Imperial Chemical Industries Ltd
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Filing: 1971-11-08
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Granted: 1973-04-17
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Expires: 1991-11-08
Abstract
Abstract SLURRY EXPLOSIVES COMPRISING AS THICKNER A XANTHOMONAS HYDROPHILIC COLLOID CROSS-LINKED WITH AN OXIDE OF AN ELEMENT IN A PENTAVALENT OF HEXAVVALENT STATW, FOR EXAMPLE ANTIMONY V. TELLURIUM VI OR CHROMIUM VI OR AN ACID PRODUCED FROM THE OXIDE OR AN ALKALI METAL SALT OF SUCH ACID, THE ACID PRODUCED FROM THE OXIDE HAVING A DISSOCIATION CONATANT K.1.0 IN 0.1 TO 0.01 IN AQUEOUS SOLUTION.
Inventors
- 👤 W Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:43
CPC Classifications
C; C06; C06B; C06B47/00; C06B47/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |