|
Match
|
Document |
Document Title |
|
|
7423187 |
Recovery of TNT and RDX from bulk composition B explosives
A continuous process for the separate recovery of TNT and RDX from a mixture of TNT and RDX. The mixture is introduced into a first vessel wherein TNT is separated from the RDX by use of a solvent...
|
|
|
7345208 |
Method for making an energetic material
A method for making trinitrotoluene is described, and which includes the steps of providing a source of aqueous nitric acid having a concentration of less than about 95% by weight; mixing a...
|
|
|
7271300 |
Picric acid explosive compound and environmentally friendly methods for making the same
An environmentally friendly picric acid explosive comprising, providing a nitromalondialdehyde, providing a dinitroketone, reacting the nitromalondialdehydes with the dinitroketone to produce a...
|
|
|
6881871 |
Trinitrotoluene (TNT) and environmentally friendly methods for making the same
An environmentally friendly methods for making 2,4,6-trinitrotoluene (TNT) compounds comprising, providing nitromalondialdehydes, providing dinitro-compounds, reacting the nitromalondialdehydes...
|
|
|
5874654 |
Purification of mixtures of nitroaromatic compounds by removing nitrocresols therefrom
Environmentally-polluting nitrocresol values are removed from admixtures of nitroaromatic compounds comprised thereof, notably the media of nitration of aromatic compounds by reacting same with...
|
|
|
5847240 |
Process for reducing tetranitromethane in compositions containing nitroaromatic compounds
A process is disclosed for removing a light organic compound from a liquid composition comprising said light organic compound in admixture with a nitroaromatic compound, said light organic compound...
|
|
|
5616818 |
Process for the polynitration of aromatic compounds
An aromatic compound is polynitrated in a continuous process in a single apparatus under adiabatic conditions in an emulsion as the reaction medium. From 1.3 to 3.5 mol of HNO 3 per mol of...
|
|
|
5395995 |
Process for the preparation and purification of nitroaromatics
A process for the preparation and purification of nitroaromatics by nitration of the corresponding aromatics and subsequent melt crystallization. The residual melts which occur are recycled.
|
|
|
5237077 |
Non-pollutional process for producing aromatic nitro compounds without using a mineral acid
The present invention relates to a process for producing an aromatic nitro compound by introducing a nitrogen oxide gas and ozone-containing oxygen or air into a halogenated organic solvent...
|
|
|
5149890 |
Process for the isolation of pure dinitrotoluenes
Pure or substantially enriched 2,4- and 2,6-dinitrotoluene can be isolated from a mixture containing these isomers if such a mixture is distilled under a pressure of 0.5 to 20 mbar at a temperature...
|
|
|
5099079 |
Process for separating acid from nitro substituted aromatics using a molten nitrate salt
Described herein is a process for separating an acid impurity from a solution containing acid and a nitro substituted aromatic compound by contacting the solution with at least one molten nitrate...
|
|
|
4361712 |
Cyanide reduction in nitroaromatic process
The invention relates to a method of eliminating or substantially reducing the amount of cyanide formed in a polynitroaromatic, e.g. dinitrotoluene process. The invention comprises removing the...
|
|
|
4300001 |
Desensitized TNT; its preparation and use
The explosive 2,4,6-trinitrotoluene (TNT) is desensitized by dissolving it in oleum of from 10 to 40% (by weight) in strength. The solutions formed preferably contain at least 400 g and at most 480...
|
|
|
4258224 |
Process for recovering TNT isomers
A process for recovering pure 2,4,6-trinitrotoluene (TNT) from a crude TNT ixture containing unsymmetrical TNT isomers which comprises forming a homogeneous powder of the crude TNT and silica gel,...
|
|
|
4250294 |
Polymers obtained from polynitroaromatic compounds
A polymer having aromatic or heterocyclic rings as the only structural elements said aromatic or heterocyclic rings containing at least two nitro groups is disclosed as well as a method of...
|
|
|
4073726 |
Removal of trinitrotoluene from aqueous media
There is provided a process for removing trinitrotoluene from waste water resulting from the manufacture of trinitrotoluene, the process comprising forming an admixture of the waste water and an...
|
|
|
4047989 |
Method for the recovery of blasting oil from effluents from the production of nitroglycerine-containing explosives
Blasting oil contained in the effluent from the production of explosives containing nitroglycerine is recovered by extracting with nitroaromatics which make part of the final explosive, the...
|
|
|
4022844 |
Process for continuous production of trinitrotoluene
An improved process for the continuous production of trinitrotoluene by dinitrating and trinitrating mononitrotoluene in the presence of concentrated nitric acid and concentrated sulphuric acid or...
|
|
|
4003977 |
Removal of tetranitromethane from TNT plant waste gases
A method of removing tetranitromethane from waste gases (e.g., from trinitrotoluene plants) by scrubbing the waste gases with a mixture of 1 an alkali metal hydroxide, 2 water, and 3 a liquid...
|
|
|
4003953 |
Purification of TNT with magnesium sulfite-bisulfite mixtures
Crude TNT is purified by heating with an aqueous mixture of magnesium sulfite and magnesium bisulfite, whereby TNT is recovered in high yield and purity. The spent aqueous solution can be furnaced...
|
|
|
4001373 |
Removal of tetranitromethane from TNT plant waste
A method of removing tetranitromethane from waste gases (e.g., from trinitrotoluene plants) by scrubbing the waste gases with a solution of (1) water, (2) hydrogen peroxide, and (3) an alkali metal...
|
|
|
3981934 |
Method for drying trinitrotoluene
Aqueous trinitrotoluene is dried by means of air which is passed through the melted trinitrotoluene by passing the melted trinitrotoluene over a porous area and forcing hot air from below through...
|
|
|
3956409 |
Process for purifying TNT
Unsymmetrical TNT isomers are removed from solid or molten crude TNT by treatment with aqueous ammonium sulfite. The yield of purified TNT is significantly greater by treatment with aqueous...
|
|
|
3949008 |
Purification of crude dinitrotoluene by extraction with C.sub.5 -C.sub.8 alkanes
2,4- AND 2,6-Dinitrotoluenes mixed with small amounts of isomeric dinitrouene impurities are extracted with an alkane of 5 to 8 carbon atoms, whereby the isomeric dinitrotoluene impurities are...
|
|
|
3799993 |
PROCESS FOR THE MANUFACTURE OF TRINITROTOLUENE
Process for preparing TNT comprises nitrating toluene with an anhydrous nating agent NO 2 HSO 4 obtained by mixing HNO 3 and oleum. The process eliminates pollution problems associated with...
|
|
|
3742072 |
NITRATION OF TOLUENE AND NITROTOLUENES TO FORM TNT
The invention provides a novel method for recovering and recycling nitrotoluenes contained in aqueous waste liquors obtained in the manufacture of TNT, particularly from systems for filtering...
|
|
|
3431312 |
HALTING PROCESS IN CONTINUOUS NITRATION OF AROMATIC HYDROCARBONS
|
|
|
3293310 |
Preparation of dinitrotoluene and trinitrotoluene with boron trifluoride and nitric acid
|
|
|
3266920 |
Leak-indicating paints for liquid propellants
|
|
|
3247162 |
Polyester plastic compositions light stabilized with nitro organic compounds
|
|
|
3239502 |
Preparation of fine hmx
|
|
|
3204000 |
Manufacture of nitrotoluenes
|
|
|
3157706 |
Process for the production of dinitrotoluene
|
|
|
3092671 |
Nitration of aromatic hydrocarbons
|
|
|
3087973 |
Continuous trinitrotoluene manufacture
|
|
|
3087971 |
Method for trinitrotoluene manufacture
|
|
|
3053908 |
Preparation of nitrated toluene
|
|
|
3043885 |
Manufacture of trinitrotoluene
|
|
|
3000972 |
Production of trinitrotoluene
|
|
|
2951877 |
Process for the preparation of trinitrotoluene
|
|
|
2951746 |
Apparatus for stage-wise nitration of toluene
|
|
|
2874196 |
Method of crystallizing nitro products
|
|
|
2858346 |
Process of recrystallizing nitro explosives
|
|
|
3822251 |
Title is not available
|
|
|
3743679 |
Title is not available
|
|
|
3696046 |
Title is not available
|