US5053086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas generant compositions containing energetic high nitrogen binders
Assignee: United States Department of the Navy
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Filing: 1985-03-15
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Granted: 1991-10-01
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Expires: 2005-03-15
Abstract
Abstract Gas generant compositions comprised of a high nitrogen content solid and an energetic polymer, which release high levels of nitrogen and minimum levels of toxic and flammable gases.
Inventors
- 👤 Ronald A. Henry
- 👤 Russell Reed, Jr.
- 👤 May L. Chan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:18
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
56 words
A composition of matter for use as a gas generant comprising: a high nitrogen content solid selected from the group consisting of: ammonium 5-nitraminotetrazole, triaminoguanidinium 5-nitraminotetrazole, aminoguanidinium 5,5'-bitetrazole and guanidinium 5,5'-bitetrazole; and an energetic polymer selected from the group consisting of: a copolymer of 3,3-bis(azidomethyl) oxetane and 3-azidomethyl-3-methyloxetane, and a copolymer of 3,3-bis(azidomethyl) oxetane and 3-nitratomethyl-3-methyloxetane.
Claim 2
Dependent Claim
56 words
A composition of matter for use as a gas generant comprising: a high nitrogen content solid selected from the group consisting of: ammonium 5-nitraminotetrazole, triaminoguanidinium 5-nitraminotetrazole, aminoguanidinium 5,5'-bitetrazole and guanidinium 5,5'-bitetrazole; and an energetic polymer selected from the group consisting of: a copolymer of 3,3-bis(azidomethyl) oxetane and 3-azidomethyl-3-methyloxetane, and a copolymer of 3,3-bis(azidomethyl) oxetane and 3-nitratomethyl-3-methyloxetane.
Claim 3
Dependent Claim
24 words
The composition of claim 1 wherein said high nitrogen content solid and said energetic polymer are present in about a 50:50 by weight ratio.
Claim 4
Dependent Claim
16 words
The composition of claim 1 which further comprises a curative, the biuret trimer of hexamethylene diisocyanate.
Claim 5
Dependent Claim
12 words
The composition of claim 1 which further comprises a catalyst, dibutyltin dilaurate.
Claim 6
Dependent Claim
79 words
A composition of matter for use as a non-condensable gas generant comprising: about 50 percent by weight of a high nitrogen content solid selected from the group consisting of: ammonium 5-nitraminotetrazole, triaminoguanidinium 5-nitraminotetrazole, aminoguanidinium 5,5'-bitetrazole and guanidinium 5,5'-bitetrazole; about 50 percent by weight of an energetic polymer selected from the group consisting of: a copolymer of 3,3-bis (azidomethyl) oxetane and 3-azidomethyl-3-methyloxetane, and a copolymer of 3,3-bis(azidomethyl) oxetane and 3-nitratomethyl-3-methyloxetane; buret trimer of hexamethylene diisocyanate curative; and dibutyltin dilaurate catalyst.
Claim 7
Dependent Claim
79 words
A composition of matter for use as a non-condensable gas generant comprising: about 50 percent by weight of a high nitrogen content solid selected from the group consisting of: ammonium 5-nitraminotetrazole, triaminoguanidinium 5-nitraminotetrazole, aminoguanidinium 5,5'-bitetrazole and guanidinium 5,5'-bitetrazole; about 50 percent by weight of an energetic polymer selected from the group consisting of: a copolymer of 3,3-bis (azidomethyl) oxetane and 3-azidomethyl-3-methyloxetane, and a copolymer of 3,3-bis(azidomethyl) oxetane and 3-nitratomethyl-3-methyloxetane; buret trimer of hexamethylene diisocyanate curative; and dibutyltin dilaurate catalyst.
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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) | 1994-09-30 | 1995-04-01 | 1995-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-09-30 | 1999-04-01 | 1999-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-30 | 2003-04-01 | 2003-10-01 | $7700.00 | Window Closed / Lapsed |