Perchlorate-free pyrotechnic mixture
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United States of America Patent
Stats
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Nov 18, 2014
Issued Date -
N/A
app pub date -
Nov 29, 2011
filing date -
Nov 29, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A powdery pyrotechnic mixture is proposed that comprises a binary or ternary inorganic oxidizing agent mixture composed of one or two metal oxides, a nitrate totaling 50.0% by weight to 85.0% by weight, an elementary inorganic fuel or a mixture of elementary inorganic fuels totaling 15.0% by weight to 40.0% by weight, a stabilized nitrocellulose or a nitrocellulose-based propellant powder from 0.0% by weight to 25.0% by weight, graphite from 0.0% by weight to 5.0% by weight as well as. Optionally. a further processing aid from 0.0% by weight to 5.0% by weight. The powdery pyrotechnic mixture excels in that it contains no chlorate-containing compound and/or perchlorate-containing compound as an oxidizing agent and no sulfur or a sulfur-containing compound as fuel. The proposed pyrotechnic mixture is used in pyrotechnic objects and ammunition for the production of a bang-effect and/or flash effect.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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RHEINMETALL WAFFE MUNITION GMBH | 29345 SÜDHEIDE |
International Classification(s)

- 2011 Application Filing Year
- D03D Class
- 175 Applications Filed
- 126 Patents Issued To-Date
- 72 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Cegiel, Dirk | Stubben, DE | 6 | 8 |
# of filed Patents : 6 Total Citations : 8 | |||
Strenger, Julia | Hamburg, DE | 4 | 0 |
# of filed Patents : 4 Total Citations : 0 | |||
Zimmermann, Christopher | Hamburg, DE | 6 | 23 |
# of filed Patents : 6 Total Citations : 23 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- D03D Class
- 0 % this patent is cited more than
- 11 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 18, 2026 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
Full Text

Legal Events
Date | Code | Event | Description |
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May 11, 2022 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
May 08, 2018 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551) year of fee payment: 4 |
Dec 01, 2014 | FEPP | FEE PAYMENT PROCEDURE | free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
Nov 18, 2014 | I | Issuance | |
Oct 29, 2014 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
May 31, 2012 | P | Published | |
Jan 06, 2012 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:STRENGER, JULIA;CEGIEL, DIRK;ZIMMERMANN, CHRISTOPHER;REEL/FRAME:027692/0497 Owner name: RHEINMETALL WAFFE MUNITION GMBH, GERMANY Effective Date: Jan 06, 2012 |
Nov 29, 2011 | F | Filing | |
Nov 29, 2010 | PD | Priority Date |

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