US4608102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Primer composition
Assignee: Vista Outdoor Operations LLC
•
Filing: 1984-11-14
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Granted: 1986-08-26
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Expires: 2004-11-14
Abstract
Abstract A primer composition using manganese dioxide as the predominant oxidizer is disclosed. The manganese dioxide oxidizer is combined with a fuel source and non-metallic initiating explosive material. Various diazo, triazole, or tetrazole compounds may be used as non-metallic initiating explosives, although diazodinitrophenol is preferred. The combustion by-products of the invention do not include toxic oxides of lead, barium, or mercury. The invention therefore provides distinct safety and environmental advantages.
Inventors
- 👤 Adalbert A. Krampen
- 👤 Delbert O. Ells
- 👤 Robert K. Bjerke
- 👤 James P. Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:37
CPC Classifications
C; C06; C06B; C06B33/00; C06B25/00; C06B25/04
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
60 words
A primer composition comprising: at least one non-metallic percussion sensitive explosive material selected from the class consisting of diazo, triazole, and tetrazole compounds; at least one fuel source; manganese dioxide, and a secondary oxidizer selected from the class consisting of strontium peroxide and zinc peroxide, said secondary oxidizer being present in amount not greater by weight than the manganese dioxide.
Claim 2
Dependent Claim
60 words
A primer composition comprising: at least one non-metallic percussion sensitive explosive material selected from the class consisting of diazo, triazole, and tetrazole compounds; at least one fuel source; manganese dioxide, and a secondary oxidizer selected from the class consisting of strontium peroxide and zinc peroxide, said secondary oxidizer being present in amount not greater by weight than the manganese dioxide.
Claim 3
Dependent Claim
12 words
The primer composition of claim 1 wherein said non-metallic explosive is diazodinitrophenol.
Claim 4
Dependent Claim
11 words
The primer composition of claim 1 comprising: a secondary non-metallic explosive.
Claim 5
Dependent Claim
14 words
The primer composition of claim 3 wherein said secondary explosive is a nitrated ester.
Claim 6
Dependent Claim
20 words
The primer composition of claim 4 wherein said nitrated ester is selected from the group consisting of penthrite and nitromannite.
Claim 7
Dependent Claim
87 words
A primer composition comprising about 20-40 percent non-metallic primary explosive material selected from the class consisting of diazo, triazole, and tetrazole compounds, about 0-10 percent sensitizer material, about 15-30 percent fuel material, about 0-50 percent non-metallic secondary explosive, about 10-50 percent manganese dioxide, about 0-20 percent secondary oxidizer selected from the class consisting of zinc peroxide and strontium peroxide, and about 0-2 percent binder material, all of said percentages by weight of said composition, said secondary oxidizer being present in amount not greater than said manganese dioxide.
Claim 8
Dependent Claim
87 words
A primer composition comprising about 20-40 percent non-metallic primary explosive material selected from the class consisting of diazo, triazole, and tetrazole compounds, about 0-10 percent sensitizer material, about 15-30 percent fuel material, about 0-50 percent non-metallic secondary explosive, about 10-50 percent manganese dioxide, about 0-20 percent secondary oxidizer selected from the class consisting of zinc peroxide and strontium peroxide, and about 0-2 percent binder material, all of said percentages by weight of said composition, said secondary oxidizer being present in amount not greater than said manganese dioxide.
Claim 9
Dependent Claim
12 words
The composition of claim 1 wherein said secondary oxidizer is zinc peroxide.
Claim 10
Dependent Claim
23 words
The composition of claim 7 comprising between 16 and 24 percent manganese dioxide and between 101/2 and 141/2 percent zinc peroxide by weight.
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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) | 1989-08-25 | 1990-02-24 | 1990-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-08-25 | 1994-02-24 | 1994-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-08-25 | 1998-02-24 | 1998-08-26 | $7700.00 | Window Closed / Lapsed |