US3624129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compounds containing a fluorodinitromethyl group
Assignee: United States Department of the Navy
•
Filing: 1965-08-13
•
Granted: 1971-11-30
•
Expires: 1985-08-13
Abstract
Abstract 1,7 A compound selected from the group consisting of 2-Fluoro2,2-Dinitroethanol, 2-Fluoro-2,2-Dinitroethyl-4,4,4Trinitrobutyrate, 2-Fluoro-2,2,-Dinitroethyl-3,5-Dinitrobenzoate, Alpha -Fluoro- Alpha , Alpha -Dinitrotoluene and Alpha Fluoro- Alpha Alpha , 3-Trinitrotoluene. A process for producing a compound containing a fluorodinitromethyl group which comprises reacting the alkali metal salt of the compound selected from the group consisting of 2,2-dinitroethanol and Alpha , Alpha , -dinitrotoluene with perchloryl fluoride to produce the corresponding fluorodinitro derivative.
Inventors
- 👤 Mortimer J Kamley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:27
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/07; C07C205/08; C07C205/09; C06; C06B; C06B25/00; C07C205/13; C07C205/26; C07C205/49; C07C205/50; C07C205/51; C07C205/57
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
3 words
The compound 2-Fluoro-2,2-Dinitroethanol.
Claim 2
Dependent Claim
3 words
The compound 2-Fluoro-2,2-Dinitroethyl-4,4,4-Trinitrobutyrate.
Claim 3
Dependent Claim
3 words
The compound 2-Fluoro-2,2-Dinitroethyl-3,5-Dinitrobenzoate.
Claim 4
Dependent Claim
8 words
The compound Alpha -Fluoro- Alpha , Alpha -Dinitrotoluene.
Claim 5
Dependent Claim
8 words
The compound Alpha -Fluoro- Alpha , Alpha ,3-Trinitrotoluene.
Claim 6
Dependent Claim
17 words
A process for producing 2-fluoro-2,2-dinitroethanol which comprises reacting an alkali metal salt of 2,2-dinitroethanol with perchloryl fluoride.
Claim 7
Dependent Claim
23 words
The process of claim 8 wherein said alkali metal salt of 2,2-dinitroethanol is prepared by reacting the corresponding alkali metal hydroxide with 2,2-dinitropropanedial-1,3.
Claim 8
Dependent Claim
24 words
The process of claim 8 wherein said alkali metal salt is selected from the group consisting of the sodium and potassium salt of 2,2-dinitroethanol.
Claim 9
Dependent Claim
27 words
The process of claim 10 wherein said reaction is performed in an organic solvent selected from the group consisting of lower alkanols, aqueous lower alkanols, and dimethylformamide.
Claim 10
Dependent Claim
19 words
The process of claim 11 wherein the reaction is performed at a temperature between about 0 and 50* C.
Claim 11
Dependent Claim
25 words
A process for producing Alpha -fluoro- Alpha , Alpha -dinitrotoluene which comprises reacting an alkali metal salt of Alpha , Alpha -dinitrotoluene with perchloryl fluoride.
Claim 12
Dependent Claim
35 words
The process of claim 13 further comprising nitrating the Alpha -fluoro- Alpha , Alpha -dinitrotoluene with a mixture of concentrated nitric acid and fluosulfonic acid to produce Alpha , Alpha -fluoro- Alpha , Alpha ,3-trinitrotoluene.
Claim 13
Dependent Claim
27 words
The process of claim 14 wherein said reaction is performed in an organic solvent selected from the group consisting of lower alkanols, aqueous lower alkanols, and dimethylformamide.
Claim 14
Dependent Claim
19 words
The method of claim 15 wherein the reaction is performed at a temperature between about 0* and 50* C.
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) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |