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US3741585A
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Low temperature nitrogen gas generating composition
Assignee: ATK Launch Systems LLC
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Filing: 1971-06-29
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Granted: 1973-06-26
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Expires: 1991-06-29
Abstract
Abstract A relatively low temperature nitrogen gas generating composition containing (A) metallic azides and (B) reactants therefor, such as, the metallic sulfides, metallic iodides, organic iodides, organic chlorides, metallic oxides and sulfur.
Inventors
- 👤 R Hendrickson
- 👤 W Munson
- 👤 G Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:39
CPC Classifications
C; C06; C06D; C06D5/00; C06D5/06; C01; C01B; C01B21/00; C01B21/02
Claims Analysis
Total Claims: 38
Claim 1
Independent Claim
30 words
The composition as in claim 1 wherein the amount of (A) azides present is from about 30 to 70 percent by weight based on the total weight of the composition.
Claim 2
Dependent Claim
30 words
The composition as in claim 1 wherein the amount of (B) reactants present is from about 30 to 60 percent by weight based on the total weight of the composition.
Claim 3
Dependent Claim
27 words
The composition as in claim 1 wherein the (A) azides are alkali metal azides selected from the group consisting of lithium azide, sodium azide and potassium azide.
Claim 4
Dependent Claim
14 words
The composition as in claim 4 wherein the alkali metal azide is sodium azide.
Claim 5
Dependent Claim
28 words
The composition as in claim 1 wherein the (A) azides are alkaline earth metal azides selected from the group consisting of calcium azide, barium azide and magnesium azide.
Claim 6
Dependent Claim
15 words
The composition as in claim 6 wherein the alkaline earth metal azide is magnesium azide.
Claim 7
Dependent Claim
13 words
The composition as in claim 1 wherein the (A) azide is aluminum azide.
Claim 8
Dependent Claim
13 words
The composition as in claim 1 wherein the (B) reactant is aluminum sulfide.
Claim 9
Dependent Claim
13 words
The composition as in claim 1 wherein the (B) reactant is molybdenum disulfide.
Claim 10
Dependent Claim
13 words
The composition as in claim 1 wherein the (B) reactant is ferrous sulfide.
Claim 11
Dependent Claim
12 words
The composition as in claim 1 wherein the (B) reactant is iodoform.
Claim 12
Dependent Claim
13 words
The composition as in claim 1 wherein the (B) reactant is carbon tetraiodide.
Claim 13
Dependent Claim
12 words
The composition as in claim 1 wherein the (B) reactant is perchoropentacyclodecane.
Claim 14
Dependent Claim
13 words
The composition as in claim 1 wherein the (B) reactant is molybdenum trioxide.
Claim 15
Dependent Claim
13 words
The composition as in claim 1 wherein the (B) reactant is tungsten trioxide.
Claim 16
Dependent Claim
13 words
The composition as in claim 1 wherein the (B) reactant is lead dioxide.
Claim 17
Dependent Claim
13 words
The composition as in claim 1 wherein the (B) reactant is vanadium pentoxide.
Claim 18
Dependent Claim
12 words
The composition as in claim 1 wherein the (B) reactant is sulfur.
Claim 19
Dependent Claim
136 words
In an improved method for inflating a shock-absorbing, flexible, inflatable, passenger protective crash bag for use in a passenger carrying vehicle wherein the improvement comprises generating nitrogen gas at a temperature of from about 200*F. to about 1,000* F. by means of a nitrogen generating composition consisting essentially of an effective amount of a. from about 25 to 95 percent by weight of azides selected from the group consisting of alkali metal azides, alkaline earth metal azides and aluminum azides and b. from about 1 to 75 percent by weight of reactants selected from the group consisting of antimony trisulfide, bismuth sulfide, ferrous sulfide, stannous sulfide, tungsten disulfide, aluminum sulfide, molybdenum disulfide, antimony triiodide, bismuth triiodide, ferrous iodide, stannic iodide, carbon tetraiodide, iodoform, hexachloroethane, hexachlorobenzene, perchloropentacyclodecane, molybdenum trioxide, lead dioxide, vanadium dioxide sulfur or mixtures thereof.
Claim 20
Dependent Claim
30 words
The method as in claim 20 wherein the amount of (A) azides present is from about 30 to 70 percent by weight based on the total weight of the composition.
Claim 21
Dependent Claim
30 words
The method as in claim 20 wherein the amount of (B) reactants present is from about 30 to 60 percent by weight based upon the total weight of the composition.
Claim 22
Dependent Claim
27 words
The method as in claim 20 wherein the (A) azides are alkali metal azides selected from the group consisting of lithium azide, sodium azide and potassium azide.
Claim 23
Dependent Claim
14 words
The method as in claim 23 wherein the alkali metal azide is sodium azide.
Claim 24
Dependent Claim
28 words
The method as in claim 20 wherein the (A) azides are alkaline earth metal azides selected from the group consisting of calcium azide, barium azide and magnesium azide.
Claim 25
Dependent Claim
15 words
The method as in claim 25 wherein the alkaline earth metal azide is magnesium azide.
Claim 26
Dependent Claim
13 words
The method as in claim 20 wherein the (A) azide is aluminum azide.
Claim 27
Dependent Claim
13 words
The method as in claim 20 wherein the (B) reactant is aluminum sulfide.
Claim 28
Dependent Claim
13 words
The method as in claim 20 wherein the (B) reactant is molybdenum disulfide.
Claim 29
Dependent Claim
13 words
The method as in claim 20 wherein the (B) reactant is ferrous sulfide.
Claim 30
Dependent Claim
12 words
The method as in claim 20 wherein the (B) reactant is iodoform.
Claim 31
Dependent Claim
13 words
The method as in claim 20 wherein the (B) reactant is carbon tetraiodide.
Claim 32
Dependent Claim
12 words
The method as in claim 20 wherein the (B) reactant is hexachloroethane.
Claim 33
Dependent Claim
12 words
The method as in claim 20 wherein the (B) reactant is perchloropentacyclodecane.
Claim 34
Dependent Claim
13 words
The method as in claim 20 wherein the (B) reactant is molybdenum trioxide.
Claim 35
Dependent Claim
13 words
The method as in claim 20 wherein the (B) reactant is tungsten trioxide.
Claim 36
Dependent Claim
13 words
The method as in claim 20 wherein the (B) reactant is lead dioxide.
Claim 37
Dependent Claim
13 words
The method as in claim 20 wherein the (B) reactant is vanadium pentoxide.
Claim 38
Dependent Claim
11 words
The method as in claim 20 wherein (B) reactant is sulfur.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-25 | 1976-12-25 | 1977-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-25 | 1980-12-25 | 1981-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-25 | 1984-12-25 | 1985-06-26 | $7700.00 | Window Closed / Lapsed |