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US4032374A
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Cinnamic acid containing pyrotechnic smoke composition
Assignee: United States Department of the Navy
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Filing: 1976-09-22
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Granted: 1977-06-28
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Expires: 1996-09-22
Abstract
Abstract A non-toxic smoke composition for use in simulating fires in damage controlxercises and for use in training. Transcinnamic acid is used as the smoke producing agent and is volatilized by energy from a potassium chlorate/sugar mixture which provides a low burning temperature.
Inventors
- 👤 Bernard E. Douda
- 👤 John E. Tanner, Jr.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:58
CPC Classifications
C; C06; C06D; C06D3/00; Y; Y10; Y10S; Y10S149/00; Y10S149/117
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
62 words
A non-toxic smoke composition comprised, by weight, of between 45.5 parts and 75.5 parts of cinnamic acid, between 5.5 parts and 12.5 parts of sugar, between 13 parts and 29 parts of potassium chlorate, between 4 parts and 10.5 parts of sodium bicarbonate, between 2 parts and 5 parts of diatomite silica, and between 2 parts and 5 parts of a binder.
Claim 2
Dependent Claim
62 words
A non-toxic smoke composition comprised, by weight, of between 45.5 parts and 75.5 parts of cinnamic acid, between 5.5 parts and 12.5 parts of sugar, between 13 parts and 29 parts of potassium chlorate, between 4 parts and 10.5 parts of sodium bicarbonate, between 2 parts and 5 parts of diatomite silica, and between 2 parts and 5 parts of a binder.
Claim 3
Dependent Claim
15 words
A non-toxic smoke composition as set forth in claim 1 wherein said sugar is sucrose.
Claim 4
Dependent Claim
15 words
A non-toxic smoke compostion as set forth in claim 1 wherein said sugar is lactose.
Claim 5
Dependent Claim
15 words
A non-toxic smoke composition as set forth in claim 1 wherein said binder is nitrocellulose.
Claim 6
Dependent Claim
45 words
A non-toxic smoke composition comprised, by weight, of about 48 parts of cinnamic acid, about 12 parts of sucrose, about 29 parts of potassium chlorate, about 7 parts of sodium bicarbonate, about 4 parts of diatomite silica, and between 2 and 5 parts of nitrocellulose.
Claim 7
Dependent Claim
45 words
A non-toxic smoke composition comprised, by weight, of about 48 parts of cinnamic acid, about 12 parts of sucrose, about 29 parts of potassium chlorate, about 7 parts of sodium bicarbonate, about 4 parts of diatomite silica, and between 2 and 5 parts of nitrocellulose.
References Cited (Backward Citations)
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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) | 1980-06-27 | 1980-12-27 | 1981-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-27 | 1984-12-27 | 1985-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-27 | 1988-12-27 | 1989-06-28 | $7700.00 | Window Closed / Lapsed |