US3898112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid 5-aminotetrazole nitrate gas generating propellant with block copolymer binder
Assignee: United States Department of the Navy
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Filing: 1970-09-23
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Granted: 1975-08-05
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Expires: 1990-09-23
Abstract
Abstract A solid gas generating propellant based upon 5-aminotetrazole nitrate as the oxidant component and utilizing a binder matrix of a block copolymer selected from the group consisting of styrenebutadiene-styrene and styrene-isoprene-styrene.
Inventors
- 👤 Ruediger A H Strecker
- 👤 Hermann S Haiss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:23
CPC Classifications
C; C06; C06B; C06B25/00; C06B25/04; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
31 words
A GAS GENERATING SOLID PROPELLANT COMPOSITION COMPRISING 5-AMINOTETRAZOLE NITRATE AS THE OXIDANT AND A BINDER MATRIX SELECTED FROM THE GROUP CONSISTING OF A STYRENE-BUTADIENE-STYRENE BLOCK COPOLYMER AND A STYRENE-ISOPRENE-STYRENE BLOCK COPOLYMER.
Claim 2
Dependent Claim
31 words
A GAS GENERATING SOLID PROPELLANT COMPOSITION COMPRISING 5-AMINOTETRAZOLE NITRATE AS THE OXIDANT AND A BINDER MATRIX SELECTED FROM THE GROUP CONSISTING OF A STYRENE-BUTADIENE-STYRENE BLOCK COPOLYMER AND A STYRENE-ISOPRENE-STYRENE BLOCK COPOLYMER.
Claim 3
Dependent Claim
44 words
The gas generating solid propellant composition of claim 1 wherein said styrene-butadiene-styrene and said styrene-isoprene-styrene block copolymers have a molecular weight within the range of from about 60,000 to about 100,000 and a styRene content of from about 28 to 29 percent by weight.
Claim 4
Dependent Claim
50 words
The gas generating solid propellant composition of claim 2 wherein said 5-aminotetrazole nitrate is present in an amount within the range of from about 75 to 87 percent by weight and said block copolymer is present in an amount within the range of from about 13 to about 25 percent.
Claim 5
Dependent Claim
15 words
The gas generating solid propellant composition of claim 3 wherein said block copolymer is styrene-butadiene-styrene.
Claim 6
Dependent Claim
34 words
The gas generating solid propellant composition of claim 3 which further includes a minor amount of a material selected from the group consisting of an organic anti-oxidant, an organic plasticizing agent and mixtures thereof.
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) | 1978-08-04 | 1979-02-03 | 1979-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-04 | 1983-02-03 | 1983-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-04 | 1987-02-03 | 1987-08-05 | $7700.00 | Window Closed / Lapsed |