US5518054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processing aids for gas generants
Assignee: Autoliv ASP Inc
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Filing: 1994-10-04
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Granted: 1996-05-21
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Expires: 2014-10-04
Abstract
Abstract In a gas generant composition for automotive airbag inflation, a gas generant composition comprises a fuel and an oxidizer the composition includes a metal oxide or metalloid oxide and a processing aid which is a mixture of mica and a salt of a fatty acid.
Inventors
- 👤 Scott C. Mitson
- 👤 Robert D. Taylor
- 👤 Thomas M. Deppert
- 👤 Michael W. Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:25
CPC Classifications
C; C06; C06B; C06B23/00; C06B23/009; C06D; C06D5/00; C06D5/06
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
89 words
A gas generant comprising a) between about 15 and about 70 wt % fuel, b) between about 20 and about 80 wt % oxidizer, c) at least about 5 wt % of said gas generant composition comprising a metal oxide or metalloid oxide which may either function as an oxidizer and thus be a portion of said oxidizer b) or serve another function, and d) between about 0.05 and about 2 wt % of a release aid comprising a mixture of mica and a salt of a fatty acid.
Claim 2
Dependent Claim
89 words
A gas generant comprising a) between about 15 and about 70 wt % fuel, b) between about 20 and about 80 wt % oxidizer, c) at least about 5 wt % of said gas generant composition comprising a metal oxide or metalloid oxide which may either function as an oxidizer and thus be a portion of said oxidizer b) or serve another function, and d) between about 0.05 and about 2 wt % of a release aid comprising a mixture of mica and a salt of a fatty acid.
Claim 3
Dependent Claim
14 words
A gas generant in accordance with claim 1 wherein said mica is muscovite mica.
Claim 4
Dependent Claim
29 words
A gas generant in accordance with claim i wherein said mica and said salt of a fatty acid are present at ratios of between about 1:4 and about 4:1.
Claim 5
Dependent Claim
29 words
A gas generant in accordance with claim 1 wherein said fatty acid salt is a salt of a fatty acid having between about 10 and about 30 carbon atoms.
Claim 6
Dependent Claim
22 words
A gas generant in accordance with claim 1 wherein said fatty acid salt has a cation selected from calcium, zinc, and magnesium.
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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) | 1999-05-21 | 1999-11-20 | 2000-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2003-05-21 | 2003-11-20 | 2004-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2007-05-21 | 2007-11-20 | 2008-05-21 | $7700.00 | Window Closed / Lapsed |