Nitrocellulose propellant composition
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 19, 1993
Issued Date -
N/A
app pub date -
Dec 20, 1989
filing date -
Jul 15, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Nitrocellulose propellant compositions are provided comprising zinc oxide as ballistic modifier, advantageously in conjunction with one or more conventional ballistic modifiers for example, lead or copper compounds such as lead stearate, lead acetophthalate, lead B-resorcylate and basic copper salicylate. The propellant compositions exhibit good quality plateau burning over a useful pressure range for a wide range of burning rates.
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 | |
---|---|---|
BAE SYSTEMS LAND SYSTEMS (MUNITIONS & ORDNANCE) LIMITED | WARWICK HOUSE PO BOX 87 FARNBOROUGH AEROSPACE CENTRE FARNBOROUGH HAMPSHIRE GU14 6YU |
International Classification(s)

- 1989 Application Filing Year
- C06B Class
- 64 Applications Filed
- 6 Patents Issued To-Date
- 9.38 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Downes, Thomas B | Ayrshire, GB6 | 2 | 10 |
# of filed Patents : 2 Total Citations : 10 | |||
Pearson, John D M | Ayrshire, GB6 | 1 | 5 |
# of filed Patents : 1 Total Citations : 5 |
Cited Art Landscape
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Patent Citation Ranking
- 5 Citation Count
- C06B Class
- 8.62 % this patent is cited more than
- 32 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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

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Mar 27, 2018 | I | Issuance | |
Mar 07, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Sep 24, 2015 | P | Published | |
Mar 02, 2015 | F | Filing | |
Feb 23, 2015 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TANAKA, YU;REEL/FRAME:035933/0041 Owner name: CANON KABUSHIKI KAISHA, JAPAN Effective Date: Feb 23, 2015 |
Mar 18, 2014 | PD | Priority Date |

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