US3980509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid fluoro-oxidizer systems for chemical lasers
Assignee: Northrop Grumman Space and Mission Systems Corp
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Filing: 1975-08-07
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Granted: 1976-09-14
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Expires: 1995-08-07
Abstract
Abstract This invention relates to laser fuels and, more specifically, to solid fuels suitable for use in a chemical laser.
Inventors
- 👤 Hyman R. Lubowitz
- 👤 William G. Gaskill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:17
CPC Classifications
C; C06; C06B; C06B33/00; C06B33/02; C06D; C06D5/00; C06D5/06; Y; Y10; Y10S; Y10S149/00; Y10S149/119
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A solid grain fuel for a chemical laser comprising: a. an oxidizing salt comprising: NF 4 BF 4 , NF 4 SbF 6 , N 2 F 5 AsF 6 , N 2 F 4 AsF 5 , NF 4 AsF 6 , NF 3 HBF 4 , NF 3 HClF 3 , N 2 F 4 HBF 4 , N 2 F 5 BF 4 , 4, LiClF 4 , KBrF 4 , Ba(BrF 4 ) 2 , SF 5 NF 2 , SF 3 BF 4 , CsSF 5 , and mixtures thereof; b. a polymer fuel material comprising: polychlorotrifluoroethylene, polytetrafluoroethylene, perfluoropolybutadiene, perfluoropolyisobutylene, perfluoropolyisoprene, perfluoropolychloroprene, and perfluoropolypropylene, and mixtures thereof; c. an alkali metal fluoride comprising: CsF, BaF 2 , KF, RbF, CaF 2 , and mixtures thereof; d. an augmenting fuel comprising: Mg, Mg 3 N 2 , Al, AlN, B, C, Be, and mixtures thereof; e. a plasticizer comprising: polychlorotrifluoroethylene, polytetrafluoroethylene, and perdifluoroaminoperfluorobutadiene in the form of oils and greases.
Claim 2
Dependent Claim
164 words
A solid grain fuel for a chemical laser comprising: a. an oxidizing salt comprising: NF 4 BF 4 , NF 4 SbF 6 , N 2 F 5 AsF 6 , N 2 F 4 AsF 5 , NF 4 AsF 6 , NF 3 HBF 4 , NF 3 HClF 3 , N 2 F 4 HBF 4 , N 2 F 5 BF 4 , 4, LiClF 4 , KBrF 4 , Ba(BrF 4 ) 2 , SF 5 NF 2 , SF 3 BF 4 , CsSF 5 , and mixtures thereof; b. a polymer fuel material comprising: polychlorotrifluoroethylene, polytetrafluoroethylene, perfluoropolybutadiene, perfluoropolyisobutylene, perfluoropolyisoprene, perfluoropolychloroprene, and perfluoropolypropylene, and mixtures thereof; c. an alkali metal fluoride comprising: CsF, BaF 2 , KF, RbF, CaF 2 , and mixtures thereof; d. an augmenting fuel comprising: Mg, Mg 3 N 2 , Al, AlN, B, C, Be, and mixtures thereof; e. a plasticizer comprising: polychlorotrifluoroethylene, polytetrafluoroethylene, and perdifluoroaminoperfluorobutadiene in the form of oils and greases.
References Cited (Backward Citations)
US3753811A
Cited
US3732132A
Cited
US3797238A
Cited
US3752703A
Cited
US3669020A
Cited
US3863176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-09-14 | 1980-03-15 | 1980-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-14 | 1984-03-15 | 1984-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-14 | 1988-03-15 | 1988-09-14 | $7700.00 | Window Closed / Lapsed |