US4522756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyl, azido, nitro ethers and method of preparation
Assignee: Boeing North American Inc
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Filing: 1983-03-28
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Granted: 1985-06-11
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Expires: 2003-03-28
Abstract
Abstract A family of compounds using as energetic plasticizers having the general structural formula R--N(NO 2 )--CH 2 CH 2 CH 2 (OCH 2 CH 2 ) 2 X wherein R is an alkyl group having from 1 to 10 carbon atoms and wherein X is a --ONO 2 or --N 3 radical, and their method of preparation.
Inventors
- 👤 Carl J. Schack
- 👤 Joseph E. Flanagan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:44
CPC Classifications
C; C07; C07C; C07C247/00; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
39 words
A family of compounds having the general chemical formula ##STR5## wherein R is an alkyl group having from 1 to 10 carbon atoms and wherein X is selected from the group consisting of --ONO 2 and --N 3 .
Claim 2
Dependent Claim
39 words
A family of compounds having the general chemical formula ##STR5## wherein R is an alkyl group having from 1 to 10 carbon atoms and wherein X is selected from the group consisting of --ONO 2 and --N 3 .
Claim 3
Dependent Claim
13 words
The compound of claim 1 wherein R is --C 4 H 9 .
Claim 4
Dependent Claim
11 words
The compound of claim 2 wherein X is --N 3 .
Claim 5
Dependent Claim
11 words
The compound of claim 2 wherein X is --ONO 2 .
Claim 6
Dependent Claim
11 words
The compound of claim 1 wherein X is --N 3 .
Claim 7
Dependent Claim
11 words
The compound of claim 1 wherein X is --ONO 2 .
References Cited (Backward Citations)
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Cited
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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) | 1988-06-10 | 1988-12-10 | 1989-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-10 | 1992-12-10 | 1993-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-10 | 1996-12-10 | 1997-06-11 | $7700.00 | Window Closed / Lapsed |