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4615752 Methods of pumping and loading emulsion slurry blasting compositions  
The invention relates to methods for refining, pumping and loading a borehole with a water-in-oil emulsion slurry blasting composition, wherein the emulsion slurry blasting composition is pumped or...
4609415 Enhancement of emulsification rate using combined surfactant composition  
Method for facilitating the formation and stability of invert water-in-oil emulsion blasting agents by use of a combination of certain surfactants; and corresponding formulations.
4602970 Method of stabilizing emulsion explosives  
Method of stabilizing an emulsion explosive comprising an oxidant, a fuel, and an emulsifier the molecules of which have at least one double-binding. The oxidant is emulsified in the fuel in the...
4594118 Explosive composition with bubble enhancer  
A gas bubble sensitized water-in-oil emulsion explosive composition comprising a discontinuous aqueous phase comprising at least one oxygen-releasing salt, a continuous water-immiscible organic...
4591399 Igniting mixture for chemical oxygen generators  
An igniting mixture is provided for chemical oxygen generators used in respirators and resuscitators for making an oxygen supply available. In chemical oxygen generators the oxygen is present in...
4590019 Processes for the production of free-flowing nitrocellulose  
Processes for the production of free-flowing, non-fibrous, alcohol-moistened nitrocellulose, characterized in that the water- or alcohol-moist nitrocellulose is softened with a solvent mixture of a...
4585496 Method of producing high-density slurry/prill explosives in boreholes and product made thereby  
The pneumatic loading of essentially free-flowing slurry-bearing ammonium nitrate (AN) prills, i.e., AN prills which carry or support a water gel or water-in-oil emulsion, produces a high-density...
4585495 Stable nitrate/slurry explosives  
Explosives that are sensitized blends of inorganic nitrate, e.g., AN, particles, such as AN or ANFO prills, and an aqueous slurry comprising a thickened aqueous solution of an inorganic oxidizing...
4566920 Compositions of the explosive emulsion type, process for their manufacture and application of these compositions  
An explosive composition of the water-in-oil emulsion type includes at least one emulsified gel formed of an oxidizing solution of an inorganic salt dissolved in water and a fuel phase containing a...
4564404 Inert paste of the nitrate-fuel type, explosive product obtained therefrom by the incorporation of air and processes of manufacture thereof  
Paste of the water-ammonium nitrate-fuel type, free of explosive elements, inert in manufacture, shipping and storage due to the fact that it does not contain air or not in a sensitizing form. A...
4564405 PYX Purification technique  
The formation of two crystalline forms of 2,6-bis (picrylamino)-3,5 dinitropyridine is accomplished by a purification method wherein needle-shaped crystals of 2,6-bis (picrylamino)-3,5...
4555278 Stable nitrate/emulsion explosives and emulsion for use therein  
Explosives that are sensitized blends of a water-in-oil emulsion and inorganic nitrate, e.g., AN, particles, such as AN or ANFO prills, have improved stability when their structure hinders the loss...
4554032 Water-in-oil emulsion explosive composition  
A water-in-oil emulsion explosive composition containing hollow microspheres obtained by firing volcanic ash and having a bulk density of 0.05-0.1 and an average particle size of 10-100 μm has...
4552597 Soft composite explosives and process for making same  
A soft composite explosive composition is made by forming an oil-continuous, melt-in-fuel emulsion in which the discontinuous phase is comprised of ammonium nitrate and other ingredients which...
4548660 Water-in-oil emulsion explosive  
Disclosed herein is an explosive of a water-in-oil emulsion type including an aqueous oxidizer solution, an oily material, an emulsifier and hollow microspheres, wherein the oily material forming...
4547233 Gas-filled glass beads and method of making  
A method of producing gas filled hollow glass beads comprises the steps of: i. manufacturing hollow glass beads having an alkali content of at least 20% calculated as weight per cent of oxide in...
4547232 Sensitization of water-in-oil emulsion explosives  
A high density emulsion blasting agent and method is provided for increasing volume energy and optimizing booster sensitivity of water-in-oil emulsion blasting agents without loss of desirable...
4534809 Water-in-oil emulsion explosive composition  
A water-in-oil emulsion explosive composition containing specifically limited hollow microspheres consisting of neutral or weakly acidic hollow microspheres coated with a coating material has a...
4532851 Liquid-propellant system  
A nonhypergolic propellant for a barrel-type weapon is mixed with about 20% by volume of a propellant granulate which can be in the form of spheroidal powder, preferably a dibasic powder...
4528049 Seismic explosive composition  
A dry explosive seismic composition which can be initiated by low grain detonating cord so as to minimize the fire hazards typically associated with seismic testing. Preferred compositions within...
4525225 Solid water-in-oil emulsion explosives compositions and processes  
Solid water-in-oil emulsion explosive compositions comprising a discontinuous emulsion phase formed of an aqueous solution of an oxidizer salt and a continuous emulsion phase formed of a solid...
4523967 Invert emulsion explosives containing a one-component oil phase  
Method of maximizing stability and minimizing production of toxic fumes as explosion by-products by utilizing a moisture resistant blasting composition and said composition, comprising an invert...
4522665 Primer mix, percussion primer and method for initiating combustion  
A primer mix which contains from 26 to 66 weight percent titanium and from 74 to 44 weight percent potassium perchlorate having a density of from 68 to 81 percent of crystal density such that the...
4519774 Temperature actuated burner igniter  
A low cost igniter comprising a multi capsule of low strength, non-porous material, such capsule being divided into at least two separate compartments. One of such compartments is filled with a...
4515912 Cure shrink-resistant missile motor cases  
Cure shrink-resistant missile motor cases are disclosed along with their method for construction. These cases comprise a matrix resin composition which includes a bisspiroortho carbonate as a...
4511412 Method of producing a water-in-oil emulsion exposive  
A water-in-oil emulsion explosive, comprising aqueous inorganic oxidizer solution, oil, emulsifier and hollow microspheres, and having high low-temperature detonability and storage stability can be...
4511414 Method of producing a water-in-oil emulsion explosive  
A water-in-oil emulsion explosive comprising an aqueous solution of inorganic oxidizer, an oil, an emulsifier and hollow microspheres, and having high low-temperature detonability and storage...
4509998 Emulsion blasting agent with amine-based emulsifier  
An explosive oil-in-water emulsion and a method of manufacture is disclosed. The process comprises combining a liquid carbonaceous fuel and an aqueous solution of at least one inorganic oxidizing...
4507161 Nitric ester explosive compositions  
This invention concerns a dynamite type explosive composition which comprises at least one liquid explosive nitric ester and an emulsion composition comprising an oxygen-releasing salt phase, an...
4500370 Emulsion blasting agent  
A method for making a water-in-oil emulsion type explosive composition is disclosed. The method comprises combining a liquid carbonaceous fuel and an aqueous solution of at least one inorganic...
4500369 Emulsion explosive  
The present invention relates to an emulsion explosive of the water-in-oil type having resistance against dissolution in water, and application of said emulsion in explosive mixtures. The emulsion...
4497676 Gunpowder substituted composition and method  
A gunpowder substitute which is capable of also being molded into a consumable cartridge or cartridge case comprising between 50% to 75% by weight of an inorganic nitrate and between 25% to 50% by...
4496405 Explosive  
Explosive composition of water-in-oil, containing as a continuous phase a carbonaceous fuel and as a discontinuous phase an oxygen-releasing aqueous salt solution, the continuous phase containing a...
4491489 Method and means for making an explosive in the form of an emulsion  
A method of making an explosive in the form of an emulsion, which includes two stages being a first stage comprising directing a plurality of 0.5 to 5 mm diameter jets of the discontinuous phase...
4488916 Cast explosive charge composition  
A cast explosive charge composition comprises trinitrotoluene (TNT) as a fusible component, at least one further energy carrier as solid filler, and a finely pulverized inert solid substance which...
4486317 Stabilization of thickened aqueous fluids  
Thickeners, preferably galactomannans, in aqueous solutions or slurries, e.g., water gel explosives, oil well drilling muds, and hydraulic fracturing fluids, are stabilized against thermal...
4486251 Contact fuze for mine munitions  
An arming fuze for ordnance type munitions having but one movable part comprising a solvent desensitized liquid explosive contained in a ported (ventilated) cavity that is normally sealed by a...
4475965 Shale oil explosives  
Ammonium nitrate shale oil explosives are provided which are effective, powerful, inexpensive, and safe. The explosives contain about 2% to 10% by weight shale oil and about 90% to 98% by weight...
4474629 Oil shale retorting process for producing explosives  
Raw oil shale is retorted to liberate an effluent product stream. Ammonia is withdrawn from the product stream and reacted to produce ammonium nitrate. Shale oil is separated from the product...
4474628 Slurry explosive with high strength hollow spheres  
The present invention relates to improved explosives. More particularly, the invention relates to cap-sensitive slurry explosives, either water-in-oil emulsion explosives or conventional...
4473418 Emulsion explosive composition  
An emulsion explosive composition comprising an oxygen-supplying salt component as a discontinuous phase, an organic medium forming a continuous phase and an emulsifying agent which comprises at...
4472215 Continuous method and apparatus for the preparation of explosives emulsion precursor  
A process and apparatus is provided for the continuous manufacture of a water-in-oil explosive emulsion precursor. Separate streams of the water phase component and the oil phase component are...
4470855 Water-in-wax emulsion blasting agents  
A water-in-wax emulsion explosive composition is provided wherein the continuous carbonaceous fuel phase comprises paraffin wax together with a minor amount of a rheology modifier and stabilizer...
4469623 Detection of articles  
Vapor permeable microcapsules filled with volatile perfluoroalkyl bromide and used to tag articles for the detection thereof.
4461660 Bulk manufacture of emulsion explosives  
A method and apparatus is provided for the efficient and safe manufacture of batch quantities of non-cap-sensitive emulsion explosives. The method employs none of the high shear mixing or...
4461213 Luminous autodispersable pyrotechnic device  
Pyrotechnic devices are described which are intended to emit an illuminating flux starting from multiple, exact, movable sources, particularly suitable for displays of artificial fireworks. The...
4453989 Solid sensitizers for water-in-oil emulsion explosives  
A water-in-oil emulsion explosive composition comprising a carbonaceous fuel, and inorganic oxidizer, an emulsifier, and a sensitizing/densifying agent of finely divided non-explosive material of...
4448619 Emulsion explosive composition  
This invention concerns a water-in-oil emulsion explosive composition which comprises a discontinuous aqueous phase containing one or more oxygen-releasing salts, a continuous water-immiscible...
4444606 Process for the manufacture of fine propellant powders by granulation, and powders thus obtained  
The present invention relates to a process for the manufacture of fine propellant powders by granulation, and, by way of products, to the fine powders thus obtained. The process according to the...
4439254 Solid sensitizers in water gel explosives and method  
A sensitizing agent for water gel explosive compositions and process for preparing the same is provided which comprises an oxidizer, water, a gelling agent, and a cross-linker, and wherein the...