EP0474115A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Gas generating composition for automobile air bag
Assignee: Nippon Kayaku Co Ltd
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Filing: 1991-08-29
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Granted: —
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Expires: 2011-08-29
Abstract
Abstract Disclosed in this invention is a gas generating composition for air bags for automobiles, comprising sodium azide, aluminum sulfate, one of silicon dioxide, alumina and aluminum silicate, and preferably a lubricant and/or a binder. This composition has the advantages such as adequate speed of gas generation and small amount of heat and harmful substances produced when the gas is generated from the composition.
Inventors
- 👤 Yoshiyuki Ikeda
- 👤 Kenjiro Ikeda
- 👤 Masaharu Murakami
- 👤 Atusy Iwamoto
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-01 09:02
CPC Classifications
C; C06; C06B; C06B35/00; C06D; C06D5/00; C06D5/06
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
28 words
A gas generating composition for automobile air bags, comprising sodium azide, aluminum sulfate and one member selected from the group consisting of silicon dioxide, alumina and aluminum silicate.
Claim 2
Dependent Claim
28 words
A gas generating composition for automobile air bags, comprising sodium azide, aluminum sulfate and one member selected from the group consisting of silicon dioxide, alumina and aluminum silicate.
Claim 3
Dependent Claim
44 words
A gas generating composition according to claim 1, wherein 50-80% by weight of sodium azide, 10-40% by weight of aluminum sulfate, and 5-40% by weight of silicon dioxide, alumina or aluminum silicate are contained based on the total weight of the gas generating composition.
Claim 4
Dependent Claim
27 words
A gas generating composition according to claim 1, wherein at least one member selected from the group consisting of a lubricant and a binder is further contained.
Claim 5
Dependent Claim
44 words
A gas generating composition according to claim 3, wherein the lubricant in an amount of 5% by weight or less and the binder in an amount of 15% by weight of less are contained based on the total weight of the gas generating composition.
Claim 6
Dependent Claim
44 words
A gas generating composition according to claim 3, wherein the lubricant is one member selected from the group consisting of talc, calcium stearate and magnesium stearate, and the binder is one member selected from the group consisting of cellulose, polyvinyl pyrrolidone and calcium hydrogenphosphate.
Claim 7
Dependent Claim
44 words
A gas generating composition according to claim 4, wherein the lubricant is one member selected from the group consisting of talc, calcium stearate and magnesium stearate, and the binder is one member selected from the group consisting of cellulose, polyvinyl pyrrolidone and calcium hydrogenphosphate.
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