US3344743A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of blasting using explosive slurries made at the blasting site
Assignee: —
•
Filing: —
•
Granted: 1967-10-03
•
Expires: 1984-10-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:53
CPC Classifications
F; F42; F42D; F42D5/00; C; C06; C06B; C06B25/00; C06B25/34; C06C; C06C7/00; Y; Y10; Y10S; Y10S102/00; Y10S102/705
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A METHOD OF BLASTING USING POLYALKYLENE POLYAMINE SENSITIZED EXPLOSIVES MADE IN SITU PROXIMATE TO THE BLASTING SITE FROM NONEXPLOSIVE STARTING MATERIALS, WHICH COMPRISES MIXING AND REACTING FORMALDEHYDE AND AN ARMMONIUM CONTAINING COMPOUND FORMING A POLYLALKYLENE POLYAMINE IN AN INERT REACTION MEDIUM WHICH DESENSITIZES THE POLYALKYLENE POLYAMINE EXPLOSIVE SENSITIZER FORMED AS A REACTANT PRODUCT, THEREBY FORMING A REACTION MIXTURE COMPRISING THE EXPLOSIVE POLYALKYLENE POLYAMINE SENSITIZER, INCORPORATING IN THE MIXTURE ADDITIONAL FORMULATING COMPONENTS, IF NECESSARY, TO FORM AN EXPLOSIVE COMPOSITION COMPRISING THE EXPLOSIVE SENSITIZER, AN OXIDIZER, AND A FUEL IN AMOUNTS TO OXYGEN-BALANCED THE MIXTURE AND ENSURE DETONATION, DELIVERING THE COMPOSITION TO THE BLASTING SITE, AND DETONATING THE COMPOSITION.
Claim 2
Independent Claim
107 words
A METHOD OF BLASTING USING POLYALKYLENE POLYAMINE SENSITIZED EXPLOSIVES MADE IN SITU PROXIMATE TO THE BLASTING SITE FROM NONEXPLOSIVE STARTING MATERIALS, WHICH COMPRISES MIXING AND REACTING FORMALDEHYDE AND AN ARMMONIUM CONTAINING COMPOUND FORMING A POLYLALKYLENE POLYAMINE IN AN INERT REACTION MEDIUM WHICH DESENSITIZES THE POLYALKYLENE POLYAMINE EXPLOSIVE SENSITIZER FORMED AS A REACTANT PRODUCT, THEREBY FORMING A REACTION MIXTURE COMPRISING THE EXPLOSIVE POLYALKYLENE POLYAMINE SENSITIZER, INCORPORATING IN THE MIXTURE ADDITIONAL FORMULATING COMPONENTS, IF NECESSARY, TO FORM AN EXPLOSIVE COMPOSITION COMPRISING THE EXPLOSIVE SENSITIZER, AN OXIDIZER, AND A FUEL IN AMOUNTS TO OXYGEN-BALANCED THE MIXTURE AND ENSURE DETONATION, DELIVERING THE COMPOSITION TO THE BLASTING SITE, AND DETONATING THE 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) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |