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6692655 |
Method of making multi-base propellants from pelletized nitrocellulose
In this method for making multi-base propellants, pelletized nitrocellulose is coated with an electrostatically insensitive liquid elastomer precursor or non-plasticizer while wetted in a...
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6623574 |
Gas generator composition
A gas generating composition which is excellent in a combustion efficiency and a gas output and in which amounts of residues generated are reduced in the combustion is obtained. A gas generating...
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6368552 |
Water treating agent and water treating method
A water treating agent which has a high safety and is to be used for preventing corrosion and scale formation in the feed water lines and steam generation system and for preventing corrosion in the...
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6315930 |
Method for making a propellant having a relatively low burn rate exponent and high gas yield for use in a vehicle inflator
A method for making a propellant composition that results in a desirable gas output when combusted. The propellant can be part of an inflator used in a vehicle for inflating an air bag. The...
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6299654 |
Amine azides used as monopropellants
The subjects of this patent are three amine azide monopropellants, dimethylaminoethylazide (DMAZ), pyrollidinylethylazide (PYAZ) and diethylaminoethylazide (DEAZ). Amine azides decompose on an...
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6231702 |
Cool burning ammonium nitrate based gas generating composition
A gas generating composition comprises an organic fuel and an ammonium nitrate oxidizer which is phase stabilized with an alkali metal or alkaline earth metal salt. The composition also comprises...
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6214140 |
Development of new high energy blasting products using demilitarized ammonium picrate
As has been established, the use of energetic materials, generated by manufacturer's excess and/or demilitarization projects, as ingredients in commercial blasting explosives is a feasible and...
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6200398 |
Emulsion explosive compositions
Water in oil emulsion explosive compositions comprises a discontinuous aqueous phase comprising at least one oxygen-supplying component, a continuous organic phase, an emulsifying amount of an...
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5920031 |
Water-in-oil emulsions
This invention is directed to water-in-oil emulsions which are useful as explosives. These emulsions comprise: a discontinuous aqueous phase comprising at least one oxygen-supplying component; a...
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5907119 |
Method of preventing afterblast sulfide dust explosions
The invention comprises a method of preventing afterblast sulfide dust explosions in blasting operations involving sulfide-containing ores, which method comprises (a) loading a borehole that has...
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5641938 |
Thermally stable gas generating composition
There is provided a gas generating composition consisting essentially of a mixture of nitroguanidine, phase stabilized ammonium nitrate and an elastomeric binder. When the ammonium nitrate is phase...
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5612507 |
Beneficial use of energy-containing wastes
A process and composition for the beneficial utilization of waste materials which contain energetic materials are disclosed. Predetermined quantities of the waste material containing energetic...
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5589660 |
Enhanced performance blasting agent
An improved blasting composition comprising from about 13 to 15 weight percent unrefined petroleum wax, from about 15 to 20 weight percent aluminum powder, from about 10 to 52 weight percent sodium...
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5531843 |
Explosives using glycol still bottoms
Explosive compositions are disclosed which comprise a nitrate salt oxidizer and glycol still bottoms alone or in combination with water. The still bottoms function as a fuel oil replacement (FOR)...
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5507892 |
Explosive composition suitable for cartridging in paper and its method of manufacture
A watergel explosive composition is provided which contains an oxidiser salt, a sensitiser, a thickener, a crosslinking agent, a fuel and water, the sensitiser component including more than 50% by...
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5507889 |
Precompression resistant emulsion explosive
An emulsion explosive composition having improved resistance to precompression desensitization comprising an emulsion explosive matrix and a high level of a low strength microspheres. Preferably,...
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5500062 |
Emulsion explosive
A mixed surfactant system for use in emulsion explosives is provided which confers improved emulsion stability and comprises a surfactant and a co-surfactant, each having branched chain hydrocarbyl...
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5465664 |
Fuel and explosive composition with ferric or cupric ion and reducing sugars
This invention relates to fuels used in explosive, pyrotechnic, gas generating, and propellant compositions. The fuel composition of the present invention comprises the reaction products formed as...
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5458707 |
Gassed emulsion explosives
A PIBSA based emulsion explosive including an ester of orthophosphoric acid, preferably made from long chain alcohols having from 6 to 18 carbon atoms. The explosive may be gassed chemically or...
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5449423 |
Propellant and explosive composition
A pyrotechnic composition useful for gunpowder, propellant or explosive purposes, which comprises an organic acid such as ascorbic or erythorbic acid, a nitrate salt oxidizer, and about 6-15% of...
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5409556 |
Method of lowering the density of ammonium nitrate-based mining explosives with expanded agricultural grain so that a density of 0.3g/cc to 1.0g/cc is achieved
The density of ammonium nitrate-based mining explosives, such as ANFO, heavy ANFO and emulsion explosives, is lowered by adding an expanded grain, such as expanded popcorn, expanded rice, or...
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5401341 |
Cross-linked emulsion explosive composition
This invention relates to water-in-oil emulsion explosives in which an oxidizing material is contained in the discontinuous water phase, and the continuous oil phase acts as a carbonaceous fuel....
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5271779 |
Making a reduced volume strength blasting composition
A blasting composition of reduced volume strength relative to straight ammonium nitrate/fuel oil (ANFO) compositions, containing particulate oxidizer salt, particulate inert and/or density reducing...
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5159153 |
Emulsion that is compatible with reactive sulfide/pyrite ores
The water-in-oil emulsion explosives of this invention contain a water-immiscible organic fuel as a continuous phase, an emulsified inorganic oxidizer salt solution as a discontinuous phase, an...
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RE33788 |
Water-in-oil blasting composition
A blasting composition is disclosed having bulk density and hence explosive energy superior to that of conventional ammonium nitrate fuel oil mixtures, e.g. 94% AN, 6% fuel oil mixtures, but of...
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5076867 |
Stabilized emulsion explosive and method
The invention relates to a method for stabilizing a detonable mixture of emulsion and AN or ANFO prills and to the resulting compositions. A surfactant is dissolved in a liquid organic fuel prior...
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5074938 |
Low pressure exponent propellants containing boron
Propellant grain consisting essentially of: A. from about 50% to about 75% by weight of an oxidizer consisting essentially of ammonium nitrate; B. from about 1% to about 20% by weight of a...
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5041177 |
Ammonium nitrate/fuel oil blasting explosive having decreased oil segregation
An explosive composition comprising an explosive mixture of ammonium nitrate and fuel oil. The fuel oil is selected to provide an oil separation sufficiently low so that the explosive is...
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5035843 |
Method for producing explosive substances
The present invention relates to a method for producing, by means of working, mixing and homogenizing, castable explosive substances of high viscosity containing crystalline and/or particulate...
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5028284 |
Explosion effects enhancer for fireworks
A method and composition for enhancing the visual effect of a combustion explosion without substantially increasing the explosive force is the subject matter of this invention. A solid explosive...
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5026442 |
Melt-in-fuel emulsion explosive composition and method
This invention provides an explosive composition comprising a blend of a melt-in-fuel emulsion and solid particulate oxygen-releasing salt. Said melt-in-fuel emulsion comprises a discontinuous...
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5017251 |
Shock-resistant, low density emulsion explosive
The present invention relates to an improved permissible explosive composition. More particularly, the invention relates to a permissible water-in-oil emulsion explosive that is shock-resistant and...
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4997495 |
Concentrate-phase sensitized water-containing explosives
Water-containing explosives, such as emulsions, slurries and water gels, are sensitized in their emulsion (concentrate) phases with sensitizing energy release agents based on nitroalkanes and...
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4995925 |
Blasting composition
A blasting composition of reduced volume strength relative to straight ammonium nitrate/fuel oil (ANFO) compositions, containing particulate oxidizer salt, particulate inert and/or density reducing...
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4992119 |
Explosive comprising a mixture of a nitrate-oil explosive and a water-in-oil emulsion explosive, and a method for its manufacture
The present invention relates to a HANFO explosive consisting of a mixture of at least one nitrate-oil explosive (ANFO-type) and at least one water-in-oil explosive, and a method for its...
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4992118 |
Chemically foamed emulsion explosive composition and process for its preparation
A water in oil emulsion explosive composition containing inorganic nitrate and the process for its preparation are disclosed. The composition is an explosive mixture which consists of an aqueous...
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4964929 |
Preparation of explosives containing degradation products of ascorbic or isoascorbic acid
A degradation product of ascorbic acid or isoascorbic acid obtained by heating the acid at a temperature between about 70° C. and about 210° C. until partial or complete decomposition of the acid...
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4957569 |
Binding additive for explosive compositions
This invention relates to a dry mix explosive composition wherein a binding or holding agent is provided to hold the parts thereof together in a straightforward and efficient manner, in order to...
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4940497 |
Emulsion explosive composition containing expanded perlite
A water-in-oil emulsion explosive composition having a void-providing agent consisting of expanded perlite is provided. The water-in-oil emulsion explosive composition comprising a continuous phase...
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4933029 |
Water resistant ANFO compositions
A free-flowing granular explosive comprising of an oxidizing salt, fuel, a hydrophilic thickener and a hydrophobic compound. Upon water impingement the hydrophobic compound repels water from the...
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4933028 |
High emulsifier content explosives
The present invention relates to water-in-oil emulsion explosive compositions comprising a discontinuous aqueous phase, a continuous water-immiscible organic phase, and an emulsifier content being...
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4919179 |
Water-in-oil emulsion explosive
A novel PIBSA-based surfactant is provided which has particular utility in the manufacture of water-in-oil explosive emulsions. The surfactant comprises the esterification product of polyalk(en)yl...
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4919178 |
Explosive emulsion
Emulsifiers are disclosed which comprise the reaction product of component (I) with component (II). Component (I) comprises the reaction product of certain carboxylic acids or anhydrides, or ester...
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4908079 |
Water in oil type emulsion explosive
An excellent water in oil type emulsion explosive having both of a superior handling property and a good aging initiating sensitivity at low temperatures and at small calibers, is provided by using...
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4889570 |
Blasting explosive with improved water resistance
A blasting explosive having improved water resistance comprises a particulate blend of from about 5 to about 27 wt. % of a slurry explosive and from about 73 to about 95 wt. % of a mixture of...
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4875951 |
Chemical foaming of emulsion explosive compositions
This invention provides an improved method of foaming a water-in-oil emulsion explosive wherein a gassing agent which is a water-in-oil emulsion containing an aqueous solution of sodium nitrite in...
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4875950 |
Explosive composition
This invention relates to a dry mix explosive composition which includes a bulking agent which comprises from 1-20% (by weight) of a vegetable protein additive, the bulking agent having a bulk...
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4863534 |
Explosive compositions using a combination of emulsifying salts
The present invention provides for an explosive composition comprising a discontinuous oxidizer phase comprising at least one oxygen-supplying component, a continuous organic phase comprising at...
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4853050 |
Oil-in-water explosive composition containing asphalt
This invention relates to a method of producing a composition comprising solid particulate ammonium nitrate having improved explosive properties. Explosive compositions comprising particulate...
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4844756 |
Water-in-oil emulsions
A water-in-oil emulsion is disclosed which comprises: (A) a continuous oil phase; (B) a discontinuous aqueous phase; (C) a minor emulsifying amount of at least one salt derived from (C)...
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