US3971681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite double base propellant with triaminoguanidinium azide
Assignee: Dow Chemical Co
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Filing: 1962-01-24
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Granted: 1976-07-27
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Expires: 1982-01-24
Abstract
Abstract 1. A solid rocket propellant composition which consists essentially of from about: 1. 30-60 weight per cent of a double base propellant 2. 5-30 weight per cent of a finely divided metal fuel 3. 5-30 weight per cent of an inorganic oxidizer 4. 10-30 weight per cent of triaminoguanidinium azide.
Inventors
- 👤 William A. Rains
- 👤 Robert D. Fox
- 👤 James P. Flynn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:23
CPC Classifications
C; C06; C06B; C06B25/00; C06B25/18; C06B25/24; C06B43/00
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
49 words
A solid rocket propellant composition which consists essentially of from about: 1. 30-60 weight per cent of a double base propellant 2. 5-30 weight per cent of a finely divided metal fuel 3. 5-30 weight per cent of an inorganic oxidizer 4. 10-30 weight per cent of triaminoguanidinium azide.
Claim 2
Dependent Claim
49 words
A solid rocket propellant composition which consists essentially of from about: 1. 30-60 weight per cent of a double base propellant 2. 5-30 weight per cent of a finely divided metal fuel 3. 5-30 weight per cent of an inorganic oxidizer 4. 10-30 weight per cent of triaminoguanidinium azide.
Claim 3
Dependent Claim
42 words
The propellant composition as defined in claim 1 wherein the metal is a member selected from the group consisting of aluminum, magnesium, and beryllium and the inorganic oxidizer is a member selected from the group consisting of ammonium perchlorate and ammonium nitrate.
Claim 4
Dependent Claim
38 words
The rocket propellant as defined in claim 1 wherein the double base propellant consists of about 1 part by weight plastisol grade nitrocellulose and from about 1.5 to about 3 parts by weight nitrated polyhydroxy alcohol based plasticizer.
Claim 5
Dependent Claim
67 words
A solid rocket propellant composition which consists essentially of about 40 weight per cent of a double base propellant, 20 weight per cent finely divided aluminum, 20 weight per cent ammonium perchlorate and about 20 weight per cent triaminoguanidinium azide, said double base propellant comprising 1 part by weight plastisol grade nitrocellulose and from about 1.5 to about 3 parts by weight nitrated polyhydroxy alcohol based plasticizer.
Claim 6
Dependent Claim
67 words
A solid rocket propellant composition which consists essentially of about 40 weight per cent of a double base propellant, 20 weight per cent finely divided aluminum, 20 weight per cent ammonium perchlorate and about 20 weight per cent triaminoguanidinium azide, said double base propellant comprising 1 part by weight plastisol grade nitrocellulose and from about 1.5 to about 3 parts by weight nitrated polyhydroxy alcohol based plasticizer.
Claim 7
Dependent Claim
75 words
A solid rocket propellant which consists essentially of: 1. about 12 weight per cent plastisol grade nitrocellulose 2. about 28 weight per cent trimethylolethane trinitrate 3. from about 14 to about 22 weight per cent finely divided aluminum 4. from about 14 to about 22 weight per cent ammonium perchlorate 5. from about 20 to about 32 weight per cent triaminoguanidinium azide, and about 2 per cent on the weight of said propellant of toluenediisocyanate.
Claim 8
Dependent Claim
75 words
A solid rocket propellant which consists essentially of: 1. about 12 weight per cent plastisol grade nitrocellulose 2. about 28 weight per cent trimethylolethane trinitrate 3. from about 14 to about 22 weight per cent finely divided aluminum 4. from about 14 to about 22 weight per cent ammonium perchlorate 5. from about 20 to about 32 weight per cent triaminoguanidinium azide, and about 2 per cent on the weight of said propellant of toluenediisocyanate.
Claim 9
Dependent Claim
50 words
A solid rocket propellant which consists essentially of: 1. about 12 weight per cent plastisol grade nitrocellulose 2. about 28 weight per cent trimethylolethane trinitrate 3. from about 9 to about 16 weight per cent finely divided beryllium 4. from about 23 to about 32 weight per cent ammonium perchlorate
Claim 10
Dependent Claim
50 words
A solid rocket propellant which consists essentially of: 1. about 12 weight per cent plastisol grade nitrocellulose 2. about 28 weight per cent trimethylolethane trinitrate 3. from about 9 to about 16 weight per cent finely divided beryllium 4. from about 23 to about 32 weight per cent ammonium perchlorate
Claim 11
Dependent Claim
24 words
from about 18 to about 22 weight per cent triaminoguanidinium azide, and about 2 per cent on the weight of said propellant of toluenediisocyanate.
Claim 12
Dependent Claim
24 words
from about 18 to about 22 weight per cent triaminoguanidinium azide, and about 2 per cent on the weight of said propellant of toluenediisocyanate.
Claim 13
Dependent Claim
35 words
A solid propellant consisting essentially of about 30 parts triethylene glycol dinitrate, about 10 parts plastisol grade nitrocellulose, about 22 parts ammonium perchlorate, about 18 parts finely divided aluminum and about 20 parts triaminoguanidinium azide.
Claim 14
Dependent Claim
35 words
A solid propellant consisting essentially of about 30 parts triethylene glycol dinitrate, about 10 parts plastisol grade nitrocellulose, about 22 parts ammonium perchlorate, about 18 parts finely divided aluminum and about 20 parts 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) | 1979-07-27 | 1980-01-26 | 1980-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-27 | 1984-01-26 | 1984-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-27 | 1988-01-26 | 1988-07-27 | $7700.00 | Window Closed / Lapsed |