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US5064483A
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Gas generating mass
Assignee: Bayern Chemie Gesellschaft fuer Flugchemische Antriebe mbH
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Filing: 1990-09-27
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Granted: 1991-11-12
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Expires: 2010-09-27
Abstract
Abstract A gas generating mass, particularly for inflating airbags for occupant protection systems in motor vehicles, consists of an alkali azide or alkaline earth azide, sulfur in at least an amount that is stoichiometric with respect to the oxidation of the alkali metal or alkaline earth metal of the alkali azide or the alkaline earth azide, as well as, if required, a slag forming agent.
Inventors
- 👤 Siegfried Zeuner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:00
CPC Classifications
C; C06; C06D; C06D5/00; C06D5/06; C06B; C06B35/00
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
125 words
A gas generating mass, particularly for inflating airbags for occupant protection systems in motor vehicles, containing at least one alkali azide or alkaline earth azide, an oxidant in at least an amount which is stoichiometric with respect to the oxidation of the alkali metal or the alkaline earth metal of the alkali azide or the alkaline earth azide, as well as a slag forming agent, wherein the oxidant consists exclusively of elementary sulfur, and wherein the ratio of the slag forming agent to the alkali azide or alkaline earth azide is 3-5, divided by the number of the metal atoms or silicon atoms or boron atoms in the molecule of the slag forming agent to 10 mol alkali azide or 5 mol alkaline earth azide.
Claim 2
Dependent Claim
125 words
A gas generating mass, particularly for inflating airbags for occupant protection systems in motor vehicles, containing at least one alkali azide or alkaline earth azide, an oxidant in at least an amount which is stoichiometric with respect to the oxidation of the alkali metal or the alkaline earth metal of the alkali azide or the alkaline earth azide, as well as a slag forming agent, wherein the oxidant consists exclusively of elementary sulfur, and wherein the ratio of the slag forming agent to the alkali azide or alkaline earth azide is 3-5, divided by the number of the metal atoms or silicon atoms or boron atoms in the molecule of the slag forming agent to 10 mol alkali azide or 5 mol alkaline earth azide.
Claim 3
Dependent Claim
38 words
The mass according to claim 1, wherein the ratio of the alkali azide or alkaline earth azide to the sulfur is 10 mol alkali azide or 5 mol alkaline earth azide to 5 to 6 mol of sulfur.
Claim 4
Dependent Claim
16 words
The mass according to claim 1, wherein the slag forming agent is a glass forming oxide.
Claim 5
Dependent Claim
19 words
The mass according to claim 3, wherein the glass forming oxide is silicon oxide, aluminum oxide and/or boron oxide.
Claim 6
Dependent Claim
26 words
The mass according to claim 1, wherein the slag forming agent is at least one of: boron nitride, aluminum nitride, silicon nitride and a transition-metal nitride.
Claim 7
Dependent Claim
26 words
A gas generating mass according to claim 1, wherein the ratio of the slag forming agent to the alkali azide or alkali earth azide is 4-5.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-11-11 | 1995-05-13 | 1995-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-11-11 | 1999-05-13 | 1999-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-11-11 | 2003-05-13 | 2003-11-12 | $7700.00 | Window Closed / Lapsed |