US3748199A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite propellants containing hydroxylammonium perchlorate
Assignee: ATK Launch Systems LLC
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Filing: 1965-09-23
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Granted: 1973-07-24
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Expires: 1985-09-23
Abstract
Abstract A castable propellant composition including suitable curing agent(s) and a curable fuel binder(s) having a novel oxidizer, hydroxylammonium perchlorate. Optional propellant adjuvants are also disclosed for improving and/or increasing various propellant physical and chemical combustion characteristics.
Inventors
- 👤 C Vriesen
- 👤 J Merges
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:29
CPC Classifications
C; C06; C06B; C06B43/00
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
36 words
The composition of claim 1 wherein the combustible fuel binder is a viscous liquid selected from the group consisting of hydroxy containing hydrocarbons, carboxy containing hydrocarbons, isocyanate containing hydrocarbons, polyether containing hydrocarbons and oxirane containing hydrocarbons.
Claim 2
Dependent Claim
126 words
A homogeneous propellant composition capable of curing to a solid propellant consisting essentially of the following components in the proportions indicated: a. from about 50 - 65 parts by weight of dried, finely divided hydroxylammonium perchlorate oxidizer b. from about 12 - 25 parts by weight of a polymeric combustible fuel binder including at least one curing agent in admixture therewith for curing said propellant to a predetermined solid state adaptable for use as the propellant in a solid propellant rocket motor selected from the group consisting of hydroxy containing hydrocarbons, isocyanate containing hydrocarbons and epoxy containing hyDrocarbons c. from about 10 - 25 parts by weight of a metal selected from the group consisting of beryllium, aluminum, titanium, zirconium and magnesium, their hydrides and carbides.
Claim 3
Dependent Claim
15 words
The composition of claim 3 wherein the combustible fuel binder is a hydroxy containing polyalkadiene.
Claim 4
Dependent Claim
15 words
The composition of claim 3 wherein the combustible fuel binder is an oxirane containing hydrocarbon.
Claim 5
Dependent Claim
15 words
The composition of claim 3 wherein the combustible fuel binder is an isocyanate containing hydrocarbon.
Claim 6
Dependent Claim
15 words
The composition of claim 3 wherein the combustible fuel binder is a carboxy containing polyalkadiene.
Claim 7
Dependent Claim
15 words
The composition of claim 3 wherein the combustible fuel binder is a hydroxy containing polyether.
Claim 8
Dependent Claim
96 words
A homogeneous propellant composition capable of curing to a solid propellant consisting essentially of: a. from about 50 - 65 parts by weight of dried, finely divided hydroxylammonium perchlorate oxidizer b. from about 12 - 20 parts by weight of polymeric oxirane terminated polybutadiene having a molecular weight ranging from about 500 to about 12,000 and including in admixture therewith at least one curing agent for curing said propellant to a predetermined state adaptable for use as the propellant in a solid propellant rocket motor (c) from about 10 - 20 parts by weight of aluminum.
Claim 9
Dependent Claim
88 words
A homogeneous propellant composition capable of curing to a solid propellant consisting essentially of the following components in the proportions indicated: (a) from about 50 - 65 parts by weight of dried, finely divided hydroxylammonium perchlorate (b) from about 12 - 20 parts by weight of a polymeric hydroxy-terminated polybutadiene and including in admixture therewith at least one curing agent for curing said propellant to a predetermined state adaptable for use in a solid propellant rocket motor (c) from about 5 - 25 parts by weight of aluminum.
Claim 10
Dependent Claim
93 words
A homogeneous propellant composition capable of curing to a solid propellant consisting essentially of the following components in the proportions indicated: a. from about 50 - 65 parts by weight of dried, finely divided hydroxylammonium perchlorate b. from about 12 - 20 parts by weight of hydroxy-terminated copolymer of butadiene and styrene and including in admixture therewith at least one curing agent for curing said propellant to a predetermined state adaptable for use as the propellant in a solid propellant rocket motor c. from about 5 - 25 parts by weight of aluminum.
Claim 11
Dependent Claim
94 words
A homogeneous propellant composition capable of curing to a solid propellant consisting essentially of the following components in the proportions indicated: a. from about 50 - 65 parts by weight of dried, finely divided hydroxylammonium perchlorate b. from about 12 - 20 parts by weight of a hydroxy-terminated copolymer of butadiene and acrylonitrile and including in admixture therewith at least one curing agent for curing said propellant to a predetermined state adaptable for use as the propellant in a solid propellant rocket motor c. from about 5 - 25 parts by weight of aluminum.
Claim 12
Dependent Claim
93 words
A homogeneous propellant composition capable of curing to a solid propellant consisting essentially of the following components in the proportions indicated: a. from about 50 - 65 parts by weight of dried, finely divided hydroxylammonium perchlorate b. from about 12 - 20 parts by weight of a polymeric hydroxy-terminated isocyanate-terminated castor oil and including in admixture therewith at least one curing agent for curing said propellant to a predetermined state adaptable for use as the propellant in a solid propellant rocket motor c. from about 5 - 25 parts by weight of aluminum.
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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |