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US4443602A Expired / Lapsed US ⏱️ 0.0 years remaining

Trans-1,4,5,8-tetranitro-1,4,5,8-tetraazadecalin

Assignee: United States Department of the Navy
•
Filing: 1982-02-16
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Granted: 1984-04-17
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Expires: 2002-02-16
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Abstract

Abstract The chemical compound, trans-1,4,5,8-tetranitro-1,4,5,8-tetraazadecalin (D), is produced by the reaction of trans-1,4,5,8-tetraazadecalin with sodium nitrite and hydrochloric acid to obtain trans-1,4,5,8-tetranitroso-1,4,5,8-tetraazadecalin, followed by nitration to yield TNAD, useful as an explosive.

Inventors

  • 👤 Rodney L. Willer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 00:54
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04; C06; C06B; C06B25/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 1 words
Trans-1,4,5,8-tetranitro-1,4,5,8-tetraazadecalin.
Claim 2
Dependent Claim 1 words
Trans-1,4,5,8-tetranitro-1,4,5,8-tetraazadecalin.

References Cited (Backward Citations)

CA454475A Cited
US2859215A Cited
US1402693A Cited
US2345236A Cited
US2345237A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1987-04-17 1987-10-17 1988-04-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1991-04-17 1991-10-17 1992-04-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1995-04-17 1995-10-17 1996-04-17 $7700.00 Window Closed / Lapsed

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