US3860463A
Expired / Lapsed
US
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Propellant composition containing triferrocenylmethyl perchlorate as catalytic oxidizer
Assignee: United States Department of the Army
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Filing: 1968-12-11
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Granted: 1975-01-14
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Expires: 1988-12-11
Abstract
Abstract Triferrocenylmethyl perchlorate as a partial or complete replacement for ammonium perchlorate and the standard burning rate catalyst in a propellant composition. Triferrocenylmethyl perchlorate functions as a combination burning rate catalyst and oxidizer.
Inventors
- 👤 David C Sayles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:45
CPC Classifications
C; C06; C06B; C06B23/00; C06B23/007; C06B43/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
14 words
The composition of claim 1 comprising an oxidizer in addition to said triferrocenylmethyl perchlorate.
Claim 2
Dependent Claim
11 words
The composition of claim 2 wherein said oxidizer is ammonium perchlorate.
Claim 3
Dependent Claim
14 words
The composition of claim 3 wherein said metal is in the form of staples.
Claim 4
Dependent Claim
37 words
The composition of claim 3 wherein the weight percentage of said ammonium perchlorate is from about 60 to about 72 percent, and wherein the weight percentage of said binder is from about 9 to about 20 percent.
Claim 5
Dependent Claim
29 words
The composition of claim 5 wherein said metal is in staple form and wherein said metal staple is present in an amount of at least about 2 weight percent.
Claim 6
Dependent Claim
19 words
The composition of claim 6 wherein the weight percentage of said metal staple does not exceed about 20 percent.
Claim 7
Dependent Claim
52 words
The composition of claim 7 wherein the weight percentage of said ammonium perchlorate is about 62 percent, the weight percentage of said metal staple is about 14 percent, the weight percentage of said triferrocenylmethyl perchlorate is about 6 percent, and wherein the weight percentage of said polymeric binder is about 17 percent.
Claim 8
Dependent Claim
22 words
The composition of claim 8 wherein said polymeric binder is formed from a carboxyl-terminated polybutadiene prepolymer crosslinked with a suitable crosslinking agent.
Claim 9
Dependent Claim
12 words
The composition of claim 9 wherein said crosslinking agent is tris-(methylaziridinyl)phosphine oxide.
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) | 1978-01-13 | 1978-07-15 | 1979-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-13 | 1982-07-15 | 1983-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-13 | 1986-07-15 | 1987-01-14 | $7700.00 | Window Closed / Lapsed |