US3844855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid composite propellant with autocondensation product of triaminoguanidinium azide as binder
Assignee: Dow Chemical Co
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Filing: 1966-10-19
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Granted: 1974-10-29
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Expires: 1986-10-19
Abstract
Abstract Propellants in which particulated solid oxidizer and metallic fuel are combined with a binder low in carbon and rich in nitrogen are disclosed. The binders are autocondensation products of triaminoguanidinium azide. An additional organic high nitrogen gas producing compound may be included.
Inventors
- 👤 J Plomer
- 👤 H Filter
- 👤 G Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:45
CPC Classifications
C; C06; C06B; C06B43/00; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
95 words
A SOLID PROPELLANT COMPOSITION COMPRISING ON A WEIGHT BASIS A. FROM ABOUT 5 TO ABOUT 60 PER CENT OF A BINDE MEMBER SELECTED FROM THE GROUP CONSISTING OF THE AUTOCONDENSATION PRODUCT OF TRIAMINOGUANIDINUM AZIDE, THE AUTOCONDENSATION PRODUCT OF TRIAMINOGUANIDINIUM AZIDE MODIFIED WITH FROM ABOUT 2 TO ABOUT 20 WEIGHT PER CENT MALONONITRILE, THE AUTOCONDENSATION PRODUCT OF TRIAMINOGUANIDINIUM AZIDE MODIFIED WITH FROM ABOUT 2 TO ABOUT 20 WEIGHT PER CENT CYANAMIDE AND MIXTURES THEREOF, B. FROM ABOUT 3 TO ABOUT 65 WEIGHT PER CENT OF A PARTICULATED SOILD FUEL, AND C. BALANCE A PARTICULATED SOLID OXIDIZER.
Claim 2
Dependent Claim
95 words
A SOLID PROPELLANT COMPOSITION COMPRISING ON A WEIGHT BASIS A. FROM ABOUT 5 TO ABOUT 60 PER CENT OF A BINDE MEMBER SELECTED FROM THE GROUP CONSISTING OF THE AUTOCONDENSATION PRODUCT OF TRIAMINOGUANIDINUM AZIDE, THE AUTOCONDENSATION PRODUCT OF TRIAMINOGUANIDINIUM AZIDE MODIFIED WITH FROM ABOUT 2 TO ABOUT 20 WEIGHT PER CENT MALONONITRILE, THE AUTOCONDENSATION PRODUCT OF TRIAMINOGUANIDINIUM AZIDE MODIFIED WITH FROM ABOUT 2 TO ABOUT 20 WEIGHT PER CENT CYANAMIDE AND MIXTURES THEREOF, B. FROM ABOUT 3 TO ABOUT 65 WEIGHT PER CENT OF A PARTICULATED SOILD FUEL, AND C. BALANCE A PARTICULATED SOLID OXIDIZER.
Claim 3
Dependent Claim
92 words
The solid propellant composition as defined in claim 1 wherein on a weight basis the binder ranges from about 15 to about 40 per cent, the particulated solid fuel is from about 8 to about 30 per cent, said fuel being a member selected from the group consisting of aluminum, beryllium, aluminum hydride, beryllium hydride and mixtures thereof, and, the particulate solid oxidizer ranges from about 30 to about 77 per cent, said oxidizer being a member selected from the group consisting of ammonium perchlorate, nitronium perchlorate, hydrazine nitroformate and mixtures thereof.
Claim 4
Dependent Claim
29 words
The composition as defined in claim 1 and including, based on the total composition weight, up to about 25 per cent of an organic high nitrogen gas producing compound.
Claim 5
Dependent Claim
20 words
The composition as defined in claim 2 and including from about 5 to about 20 weight per cent triaminoguanidinium azide.
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) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |