US3609115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propellant binder
Assignee: Boeing North American Inc
•
Filing: 1963-09-30
•
Granted: 1971-09-28
•
Expires: 1983-09-30
Abstract
Abstract This invention relates to solid propellant formulations. More particularly, it relates to a novel binder for utilization in such solid propellants.
Inventors
- 👤 George D Sammons
- 👤 Liles G Herring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:36
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C08; C08G; C08G73/00; C08G73/02
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
20 words
The polymers of claim 1 further polymerized with a compound capable of entering into addition polymerization to cross-link said polymers.
Claim 2
Dependent Claim
11 words
The polymer formed from the reaction of 1,2,14,15-diepoxy-4, 12-dioxa-6,8,10-trinitrazapentadecane with 3,11-dioxa-5,7,9-trinitrazatridecane-1,13-diol.
Claim 3
Dependent Claim
11 words
The polymer formed from the reaction of 1,2,14,15-diepoxy-4, 12-dioxa-6,8,10-trinitrazapentadecane with 3,11-dioxa-5,7,9-trinitrazatridecane-1,13-dicarboxyl.
Claim 4
Dependent Claim
14 words
The polymer formed from the reaction of 1,2,14,15-diepoxy-4, 12-dioxa-6,8,10-trinitrazapentadecane with 3,11-dioxa-5,7,9-trinitrazatridecane-1,13-diol and maleic anhydride.
Claim 5
Dependent Claim
15 words
The polymer formed from the reaction of 1,2,14,15-diepoxy-4, 12-dioxa-6,8,10-trinitrazapentadecane with 3,11-dioxa-5,7,9-trinitrazatridecane-1,13-dioic acid and citric acid.
Claim 6
Dependent Claim
16 words
The polymer of claim 5 wherein the ratio of diol:anhydride: diepoxide is within the range 1:0.75-2:1-3.
Claim 7
Dependent Claim
14 words
The polymer of claim 6 wherein the ratio of dioic acid:citric acid:diepoxide is 1:0.25-2:1-3.
Claim 8
Dependent Claim
12 words
The polymer formed from the reaction of 1,2,14,15-diepoxy-4, 12-dioxa-6,8,10-trinitrazapentadecane with citric acid.
Claim 9
Dependent Claim
43 words
A solid propellant binder composition comprising: a polymer having the backbone , said polymer formed from the addition polymerization of monomers having the formula: wherein x is a whole integer from two to six and R is selected from the class consisting of:
Claim 10
Dependent Claim
21 words
The binder of claim 10 additionally comprising: a plasticizer in an amount up to 75 weight percent of the binder composition.
Claim 11
Dependent Claim
21 words
The binder of claim 11 wherein said plasticizer is a nitroplasticizer selected from the class consisting of: bis-dinitropropylformal, bis-dinitropropylacetal, and 2,2-nitropropane.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-27 | 1975-03-29 | 1975-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-27 | 1979-03-29 | 1979-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-27 | 1983-03-29 | 1983-09-28 | $7700.00 | Window Closed / Lapsed |