US5467715A
Expired / Lapsed
US
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Gas generant compositions
Assignee: Autoliv ASP Inc
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Filing: 1994-03-08
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Granted: 1995-11-21
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Expires: 2014-03-08
Abstract
Abstract A gas generant composition contains as a fuel a mixture of a major portion of a triazole or tetrazole and a minor portion of a water soluble fuel; and an oxidizer component, at least 20 wt % of said oxidizer component being a transition metal oxide, such as CuO.
Inventors
- 👤 Robert D. Taylor
- 👤 Thomas M. Deppert
- 👤 Michael W. Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:20
CPC Classifications
C; C06; C06D; C06D5/00; C06D5/06; C06B; C06B23/00; C06B23/009
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
111 words
A gas generant composition comprising between about 20 and about 40 wt % of fuel, said fuel comprising a tetrazole and/or triazole compound at between about 50 and about 85 wt % of said fuel and a water-soluble fuel at between about 15 and about 50 wt % of said fuel; between about 20 and about 80 wt % of oxidizer, at least about 20 wt % and up to 100% of said oxidizer being a transition metal oxide or mixture of transition metal oxides, the balance of said oxidizer being an alkali and/or alkaline earth metal nitrate, chlorate, perchlorate or mixture thereof; and, any balance comprising additional gas generant-compatible components.
Claim 2
Dependent Claim
111 words
A gas generant composition comprising between about 20 and about 40 wt % of fuel, said fuel comprising a tetrazole and/or triazole compound at between about 50 and about 85 wt % of said fuel and a water-soluble fuel at between about 15 and about 50 wt % of said fuel; between about 20 and about 80 wt % of oxidizer, at least about 20 wt % and up to 100% of said oxidizer being a transition metal oxide or mixture of transition metal oxides, the balance of said oxidizer being an alkali and/or alkaline earth metal nitrate, chlorate, perchlorate or mixture thereof; and, any balance comprising additional gas generant-compatible components.
Claim 3
Dependent Claim
21 words
A composition in accordance with claim 1 further comprising between about 0.2 and about 5 wt % of a binder material.
Claim 4
Dependent Claim
14 words
A composition in accordance with claim 2 wherein said binder material is molybdenum sulfide.
Claim 5
Dependent Claim
38 words
A composition in accordance with claim 3 wherein said oxidizer contains sufficient alkali metal nitrate to convert substantially all of the sulfur component of said molybdenum sulfide to alkali metal sulfate upon combustion of said gas generant composition.
Claim 6
Dependent Claim
14 words
A composition in accordance with claim 1 wherein said transition metal oxide is CuO.
Claim 7
Dependent Claim
25 words
A composition in accordance with claim 1 wherein in addition to said transition metal oxide, said oxidizer includes an alkali and/or alkaline earth metal nitrate.
Claim 8
Dependent Claim
37 words
A composition in accordance with claim 1 wherein said water soluble fuel is selected from the group consisting of guanidine nitrate, aminoguanidine nitrate, diaminoguanidine nitrate, semicarbazide nitrate, triaminoguanidine nitrate, ethylenediamine dinitrate, hexamethylene tetramine dinitrate, and mixtures thereof.
Claim 9
Dependent Claim
15 words
A composition in accordance with claim 7 wherein said water soluble fuel is guanidine nitrate.
Claim 10
Dependent Claim
130 words
A gas generant composition comprising between about 20 and about 40 wt % of fuel, said fuel comprising a tetrazole and/or triazole compound selected from the group consisting of 5-amino tetrazole, tetrazole, bitetrazole, 1,2,4-triazole-5-one, and 3-nitro 1,2,4-triazole-5-one, said tetrazole and/or triazole compound comprising between about 50 and about 85 wt % of said fuel; and a water-soluble fuel at between about 15 and about 50 wt % of said fuel; between about 20 and about 80 wt % of oxidizer, at least about 20 wt % and up to 100% of said oxidizer being a transition metal oxide or mixture of transition metal oxides, the balance of said oxidizer being an alkali and/or alkaline earth metal nitrate, chlorate, perchlorate or mixture thereof; and, any balance comprising additional gas generant-compatible components.
Claim 11
Dependent Claim
130 words
A gas generant composition comprising between about 20 and about 40 wt % of fuel, said fuel comprising a tetrazole and/or triazole compound selected from the group consisting of 5-amino tetrazole, tetrazole, bitetrazole, 1,2,4-triazole-5-one, and 3-nitro 1,2,4-triazole-5-one, said tetrazole and/or triazole compound comprising between about 50 and about 85 wt % of said fuel; and a water-soluble fuel at between about 15 and about 50 wt % of said fuel; between about 20 and about 80 wt % of oxidizer, at least about 20 wt % and up to 100% of said oxidizer being a transition metal oxide or mixture of transition metal oxides, the balance of said oxidizer being an alkali and/or alkaline earth metal nitrate, chlorate, perchlorate or mixture thereof; and, any balance comprising additional gas generant-compatible components.
Claim 12
Dependent Claim
21 words
A composition in accordance with claim 9 further comprising between about 0.2 and about 5 wt % of a binder material.
Claim 13
Dependent Claim
14 words
A composition in accordance with claim 9 wherein said transition metal oxide is CuO.
Claim 14
Dependent Claim
25 words
A composition in accordance with claim 9 wherein in addition to said transition metal oxide, said oxidizer includes an alkali and/or alkaline earth metal nitrate.
Claim 15
Dependent Claim
37 words
A composition in accordance with claim 9 wherein said water soluble fuel is selected from the group consisting of guanidine nitrate, aminoguanidine nitrate, diaminoguanidine nitrate, semicarbazide nitrate, triaminoguanidine nitrate, ethylenediamine dinitrate, hexamethylene tetramine dinitrate, and mixtures thereof.
Claim 16
Dependent Claim
15 words
A composition in accordance with claim 9 wherein said water soluble fuel is guanidine nitrate.
Claim 17
Dependent Claim
108 words
A gas generant composition comprising between about 20 and about 40 wt % of fuel, said fuel comprising 5-amino tetrazole at between about 50 and about 85 wt % of said fuel and a water-soluble fuel at between about 15 and about 50 wt % of said fuel; between about 20 and about 80 wt % of oxidizer, at least about 20 wt % and up to 100% of said oxidizer being a transition metal oxide or mixture of transition metal oxides, the balance of said oxidizer being an alkali and/or alkaline earth metal nitrate, chlorate, perchlorate or mixture thereof; and, any balance comprising additional gas generant-compatible components.
Claim 18
Dependent Claim
108 words
A gas generant composition comprising between about 20 and about 40 wt % of fuel, said fuel comprising 5-amino tetrazole at between about 50 and about 85 wt % of said fuel and a water-soluble fuel at between about 15 and about 50 wt % of said fuel; between about 20 and about 80 wt % of oxidizer, at least about 20 wt % and up to 100% of said oxidizer being a transition metal oxide or mixture of transition metal oxides, the balance of said oxidizer being an alkali and/or alkaline earth metal nitrate, chlorate, perchlorate or mixture thereof; and, any balance comprising additional gas generant-compatible components.
Claim 19
Dependent Claim
21 words
A composition in accordance with claim 15 further comprising between about 0.2 and about 5 wt % of a binder material.
Claim 20
Dependent Claim
14 words
A composition in accordance with claim 15 wherein said transition metal oxide is CuO.
Claim 21
Dependent Claim
25 words
A composition in accordance with claim 15 wherein in addition to said transition metal oxide, said oxidizer includes an alkali and/or alkaline earth metal nitrate.
Claim 22
Dependent Claim
37 words
A composition in accordance with claim 15 wherein said water soluble fuel is selected from the group consisting of guanidine nitrate, aminoguanidine nitrate, diaminoguanidine nitrate, semicarbazide nitrate, triaminoguanidine nitrate, ethylenediamine dinitrate, hexamethylene tetramine dinitrate, and mixtures thereof.
Claim 23
Dependent Claim
15 words
A composition in accordance with claim 15 wherein said water soluble fuel is guanidine nitrate.
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