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US4432814A Expired / Lapsed US ⏱️ 0.0 years remaining

Azido esters

Assignee: United States Department of the Air Force
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Filing: 1983-04-13
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Granted: 1984-02-21
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Expires: 2003-04-13
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Abstract

Abstract This invention involves the synthesis of a novel family of azido esters and their utilization as energetic plasticizers for advanced solid propellant compositions. This family includes as an illustrative member, the novel compound 6-azidohexyl-6-azidohexanoate.

Inventors

  • 👤 Edward F. Witucki
  • 👤 Joseph E. Flanagan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 13:26
CPC Classifications
C; C07; C07C; C07C247/00; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B45/105

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 56 words
A solid composite type propellant composition consisting essentially of a cured intimate mixture of: A. an oxidizer component; B. a synthetic resinous binder component; and C. an energetic placticizer component consisting of 6-azidohexyl-6-azidohexanoate in an amount ranging from about. 1.5 to 4.0 parts by weight of plasticizer to about 1.0 parts by weight of resinous binder.
Claim 2
Dependent Claim 56 words
A solid composite type propellant composition consisting essentially of a cured intimate mixture of: A. an oxidizer component; B. a synthetic resinous binder component; and C. an energetic placticizer component consisting of 6-azidohexyl-6-azidohexanoate in an amount ranging from about. 1.5 to 4.0 parts by weight of plasticizer to about 1.0 parts by weight of resinous binder.

References Cited (Backward Citations)

US4141910A Cited
US4341712A Cited
US4268450A Cited
US4362583A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-02-20 1987-08-22 1988-02-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-02-20 1991-08-22 1992-02-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-02-20 1995-08-22 1996-02-21 $7700.00 Window Closed / Lapsed

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