US3883377A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-Azido-1,1-dinitroalkanes, useful as propellants
Assignee: United States Department of the Navy
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Filing: 1968-11-27
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Granted: 1975-05-13
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Expires: 1988-11-27
Abstract
Abstract Azido nitro paraffin, a method for its preparation by electrolysis of the corresponding nitroparaffin salt and sodium azide and its uses as a plasticizer, propellant or propellant component.
Inventors
- 👤 Charles M Wright
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:22
CPC Classifications
C; C25; C25B; C25B3/00; C06; C06B; C06B25/00; C06B25/36; C25B3/01; C25B3/07; C25B3/09
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
16 words
A COMPOUND OF THE STRUCTURE R-C(-NO2)-N3 WHEREIN R IS ALKYL AND CONTAINS UP TO EIGHT CARBONS.
Claim 2
Dependent Claim
16 words
A COMPOUND OF THE STRUCTURE R-C(-NO2)-N3 WHEREIN R IS ALKYL AND CONTAINS UP TO EIGHT CARBONS.
Claim 3
Dependent Claim
11 words
A compound according to claim 1 wherein R is lower alkyl.
Claim 4
Dependent Claim
1 words
1-azido-1,1-dinitroethane.
Claim 5
Dependent Claim
1 words
1-azido-1,1-dinitroethane.
Claim 6
Dependent Claim
1 words
1-azido-1,1-dinitropropane.
Claim 7
Dependent Claim
1 words
1-azido-1,1-dinitropropane.
Claim 8
Independent Claim
26 words
A method of making an azido gem-dinitroparaffin which comprises the steps of reacting a soluble salt of the gem-dinitroparaffin with sodium azide in an electrolysis cell.
Claim 9
Independent Claim
26 words
A method of making an azido gem-dinitroparaffin which comprises the steps of reacting a soluble salt of the gem-dinitroparaffin with sodium azide in an electrolysis cell.
Claim 10
Dependent Claim
15 words
A method according to claim 5 wherein the electrolysis cell contains a smooth platinum anode.
Claim 11
Dependent Claim
15 words
A method of preparing the compound of claim 1 which comprises the steps of reacting
Claim 12
Dependent Claim
15 words
THE METHOD OF PLASTICIZING POLYNIRROPROPENE BY ADDING TO SAID POLYMER THE COMPOUNDD OF CLAIM 1.
References Cited (Backward Citations)
US3357959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-05-12 | 1978-11-11 | 1979-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-05-12 | 1982-11-11 | 1983-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-05-12 | 1986-11-11 | 1987-05-13 | $7700.00 | Window Closed / Lapsed |