US4130585A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bis-triaminoguanidine decahydrodecaborate, process for preparation, and high energy propellant
Assignee: Teledyne Mccormick Selph
•
Filing: 1977-01-24
•
Granted: 1978-12-19
•
Expires: 1997-01-24
Abstract
Abstract This invention relates to bis-triaminoguanidine decahydrodecarborate, which is a novel boron salt that has been found to have particular utility as a high energy monopropellant. The invention includes the triaminoguanidinium salt of decahydrodecaboric acid, and as a product of a preferred process for preparing same.
Inventors
- 👤 Terrence P. Goddard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:06
CPC Classifications
C; C06; C06B; C06B21/00; C06B27/00; C06B45/00; C06B45/04; C06B45/06; C06B45/10; C06B47/00; C06B47/02; C06B47/10
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
20 words
The triaminoguanidinium salt of decahydrodecaboric acid, having the formula (C(NHNH 2 ) 3 ) 2 B 10 H 10 .
Claim 2
Dependent Claim
20 words
The triaminoguanidinium salt of decahydrodecaboric acid, having the formula (C(NHNH 2 ) 3 ) 2 B 10 H 10 .
Claim 3
Dependent Claim
47 words
A product having the formula (C(NHNH.sub.2).sub.3).sub.2 B.sub.10 H.sub.10 said product being formed by the process of neutralizing one mole of aqueous decahydrodecaboric acid, H 2 B 10 H 10 , with two moles of the aqueous free base of triaminoguanidine, (C(NHNH) 2 ) 2 (NNH 2 ).
Claim 4
Dependent Claim
47 words
A product having the formula (C(NHNH.sub.2).sub.3).sub.2 B.sub.10 H.sub.10 said product being formed by the process of neutralizing one mole of aqueous decahydrodecaboric acid, H 2 B 10 H 10 , with two moles of the aqueous free base of triaminoguanidine, (C(NHNH) 2 ) 2 (NNH 2 ).
Claim 5
Dependent Claim
41 words
The product according to the process of claim 2, wherein the concentrations of the reacting aqueous solutions are approximately 0.3 molar, whereby said product is precipitated, and then said product is filtered, washed with cold water and washed with butyl acetate.
Claim 6
Dependent Claim
27 words
A high energy monopropellant consisting essentially of the triaminoguanidinium salt of decahydrodecaboric acid, having the formula (C(NHNH 2 ) 3 ) 2 B 10 H 10 .
Claim 7
Dependent Claim
27 words
A high energy monopropellant consisting essentially of the triaminoguanidinium salt of decahydrodecaboric acid, having the formula (C(NHNH 2 ) 3 ) 2 B 10 H 10 .
Claim 8
Dependent Claim
31 words
A pyrotechnic mixture consisting essentially of the salt according to claim 1, with an oxidizing agent, wherein said salt comprises from 10% and up to 100%, by weight, of said mixture.
References Cited (Backward Citations)
US4002681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-12-18 | 1982-06-19 | 1982-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-18 | 1986-06-19 | 1986-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-18 | 1990-06-19 | 1990-12-19 | $7700.00 | Window Closed / Lapsed |