Patent US3631802A successfully refreshed from Google Patents.
US3631802A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detonator comprising n-nitro-n-methylglucamine pentanitrate
Assignee: Zeneca Inc
•
Filing: 1969-06-11
•
Granted: 1972-01-04
•
Expires: 1989-06-11
Abstract
Abstract A method is disclosed for preparing new N-nitro-N-lower alkyl glucamine pentanitrates. These new compounds possess explosive characteristics similar to pentaerythritol tetranitrate (PETN) and may be similarly employed in explosive devices such as primers, boosters and explosive initiators.
Inventors
- 👤 Joseph W Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:36
CPC Classifications
C; C06; C06C; C06C7/00; C06B; C06B25/00; C06B25/34; F; F42; F42B; F42B3/00; F42B3/10; F42B3/12; F42B3/124
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
23 words
A detonator according to claim 1 wherein said means for initiating said base charge is a bridgewire in contact with an ignition composition.
Claim 2
Dependent Claim
18 words
A detonator according to claim 2 wherein said means for initiating said base charge is an electric match.
Claim 3
Dependent Claim
30 words
A detonator according to to claim 3 wherein said ignition composition is selected from the group comprising cuprous acetylide, diazodinitrophenol, lead mononitroresorcinate, and mixtures of lead mononitroresorcinate and potassium chlorate.
Claim 4
Dependent Claim
18 words
A detonator according to claim 1 wherein said lower alkyl group contains from 1 to 6 carbon atoms.
Claim 5
Dependent Claim
13 words
A detonator according to claim 5 wherein said lower alkyl group is methyl.
Claim 6
Dependent Claim
18 words
A detonator according to claim 1 wherein said means for initiating said base charge includes a priming charge.
Claim 7
Dependent Claim
30 words
A detonator according to claim 7 wherein said priming charge is selected from the group consisting of mannitol hexanitrate, diazodinitophenol, mercury fulminate, lead azide, or mixtures thereof with oxidizing agents.
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) | 1975-01-03 | 1975-07-05 | 1976-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-03 | 1979-07-05 | 1980-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-03 | 1983-07-05 | 1984-01-04 | $7700.00 | Window Closed / Lapsed |