58 results about "Chemical weapon" patented technology

The present invention includes an apparatus, system and method for stochastic sensing of an analyte to a protein pore. The protein pore may be an engineer protein pore, such as an ion channel at temperatures above 55° C. and even as high as near 100° C. The analyte may be any reactive analyte, including chemical weapons, environmental toxins and pharmaceuticals. The analyte covalently bonds to the sensor element to produce a detectable electrical current signal. Possible signals include change in electrical current. Detection of the signal allows identification of the analyte and determination of its concentration in a sample solution. Multiple analytes present in the same solution may also be detected.

This invention relates generally to methods and apparatus for the detoxification of fluid streams, for example, wastewater contaminated with neurotoxins, particularly organophosphorous compounds, and comprises contacting the fluid stream with a bioactive coating. More particularly, the invention relates to chemical reactors for detoxifying fluid streams and also, bioactive coated support components comprising rigid, semi-rigid, or flexible support materials coated with a bioactive coating compriseing dessicated whole cells, whole cell fragments, enzymes, and combinations thereof that are capable of hydrolizing neurotoxic organophosphorous chemical compounds. Organophosphorus hydrolases that are capable of detoxifying organophosphorus compounds that are: chemical weapons agents, in particular, tabun (“GA”), sarin (“GB”), soman (“GD”), cyclosarin, VX, and its isometric analog Russian VX (“VR” or “R-VX”); chemical weapons agent analogs, chemical weapons surrogates; and pesticides are most preferred. The process and apparatus embodiments of the present invention are designed to detoxify organophosphorus compounds continuously, semi-continuously and and in batch operation.

The invention pertains to the technical field of underwater exploration, and specifically relates to a method for detecting Japan abandoned chemical weapons in water areas, wherein the method is suitable for detecting Japan abandoned chemical weapons, such as single or multiple chemical bombs, poison gas cylinders, chemical aerial bombs, bulk toxic agent barrels, etc., in various water area environments. The method of the invention is completed through six steps, the advantage of high magnetic method detection sensitivity can be realized, and the method plays an irreplaceable role in the detection of deeply-buried ammunition. In terms of technology safety, the magnetic method detection is use to passively measure the magnetic field strength generated by a target body, pulse currents and electromagnetic waves do not need to be transmitted to the underground, and no risk factor exists even for Japan abandoned chemical bombs and aerial bombs provided with fuzes. In terms of detection operation efficiency, a magnetometer has advantages over other instruments. The Japan abandoned chemical weapons comprise chemical bombs, poison gas cylinders, chemical aerial bombs and barreled toxic agent, the common characteristic of the chemical weapons is that all of the chemical weapons is provided with a ferromagnetism metal housing, so typical conditions of the magnetic method detection can be satisfied.

A field kit for the collection, isolation and concentration of trace amounts of high explosives (HE), biological weapons (BW) and chemical weapons (CW) residues in air, soil, vegetation, swipe, and liquid samples. The field kit includes a number of Solid Phase Microextraction (SPME) fiber and syringe assemblies in a hermetically sealed transportation container or tubes which includes a sampling port, a number of extra SPME fiber and syringe assemblies, the fiber and syringe assemblies including a protective cap for the fiber, and an extractor for the protective cap, along with other items including spare parts, protective glove, and an instruction manual, all located in an airtight container.

The invention relates to compositions of non-lethal chemical weapons for riot and crowd control. The compositions can also be used to clear areas and facilities for extended periods without collateral damage. Specifically, this invention discloses "dial an effect" non-lethal weapons for crowd control, from moderate to near lethal strength. The composition contains three unique active ingredients comprising an odoriferous substance, a hot substance, and a tear gas agent, A method is disclosed to prepare the compositions with solvents, carriers, pressurizers, and optional ingredients, as well as a method to apply them.

The present invention includes an apparatus, system and method for stochastic sensing of an analyte to a protein pore. The protein pore may be an engineer protein pore, such as an ion channel at temperatures above 55° C. and even as high as near 100° C. The analyte may be any reactive analyte, including chemical weapons, environmental toxins and pharmaceuticals. The analyte covalently bonds to the sensor element to produce a detectable electrical current signal. Possible signals include change in electrical current. Detection of the signal allows identification of the analyte and determination of its concentration in a sample solution. Multiple analytes present in the same solution may also be detected.

The invention relates to an adsorption filter material (1) that provides protection against chemical toxins, chemical weapons and pollutants, with a preferably multi-layer composite construction (2). The layer construction (2) includes at least one planar support layer (3) with two opposing sides (3′, 3″) and an adsorption layer (4), provided on the support layer (3) made from a material which adsorbs chemical toxins, the surface of at least one of the both sides (3′ and / or 3″) of the support layer (3) being modified by plasma treatment. The surface properties, in particular the surface finish and the surface reactivity can be adjusted and optimised to match the application by means of the plasma treatment.

A cleaning composition for treating and removing stains from an object and for removing residue following a clean-up after a chemical or biological weapons attack. The composition uses ethanol, isopropyl alcohol, ethylene glycol mixed with one or more salts, such as bromides and chlorides, a chelator and a dispersant, mixed with water. The preferred salts are myristyltrimethylammonium bromide and benzethonium chloride, the chelator is tetrasodium salt ethylenediamine of tetraacetic acid, and the dispersant is polyvinyl alcohol.

The invention relates to a plasma generator (4, 4′) for electrothermal and electrothermal-chemical weapon systems, which plasma generator is intended to deliver at least one energy pulse for the formation of a plasma for accelerating a projectile (3) along the barrel (11) of the weapon system. The plasma generator comprises a combustion chamber (20) with a combustion chamber channel (20′), a centre electrode (24, 24′) disposed inside the combustion chamber channel, which combustion chamber and centre electrode are electrically conductive, and a ceramic tube (23) arranged between the combustion chamber and the centre electrode. The ceramic tube is shrink-fastened into the combustion chamber, and the plasma generator further comprises a polymeric sacrificial material (34, 34′), which is gasifiable by the energy pulse. The invention also relates to a method for making the plasma generator form a plasma, and an ammunition round having a plasma generator according to the invention.

In one example, a method of examining a container is disclosed comprising detecting a potential threat within contents of a container using radiation scanning and disabling the potential threat with radiation. In another example, a method of examining a container is disclosed comprising scanning at least a portion of the container with a first radiation beam, detecting radiation interacting with contents of the container, identifying a potential threat contained based, at least in part, on the detected radiation, and disabling the potential threat with a dose of radiation from a second radiation beam. The potential threat may be a nuclear, chemical, and / or biological weapon, for example. Chemical and / or biological detectors may also be provided. The threat and / or electronics associated with the threat, may be disabled. Systems are also disclosed.

A process and sensor device are disclosed that employ metal β-diketonate polymers to selectively capture gas-phase explosives and weaponized chemical agents in a sampling area or volume. The metal β-diketonate polymers can be applied to surfaces in various analytical formats for detection of: improvised explosive devices, unexploded ordinance, munitions hidden in cargo holds, explosives, and chemical weapons in public areas.

Novel two-component formulations, procedures and methods for use in treating neuropathology and neurodegeneration incident to trauma are provided. Two-component formulations of the invention comprise biologically active forms of at least one neurosteroid or neuroactive steroid, such as progesterone or synthetic progestin, and at least one anti-epileptic or anticonvulsant, such as pregabalin. The provided formulations are configured or adapted to prevent or reduce the incidence and severity of neurological damage caused by trauma. Formulations, procedures and methods of the invention advantageously effect both neuroprotective actions to prevent or reduce secondary injuries, and neurotrophic actions to repair and restore cells and tissues affected by the trauma, and are especially useful in treating neurological trauma, such as those caused by sports injuries, chemical weapons, vehicle collisions and improvised explosive devices in combat.

A biodegradation process for the organophosphonate product of Sarin (O-isopropyl methylphosphonofluoridate) hydrolysis, i.e., isopropylmethylphosphonate (IMPA). This process provides a feasible biodegradation demilitarization alternative to Sarin incineration. Public opposition of nerve agent incineration is widespread, and alternative methods are sought to help the U.S. Army meet the 2007 demilitarization deadline imposed by the Chemical Weapons Convention. This process uses a two-step approach to IMPA biodegradation. In the first step, a concentrated IMPA solution is used as the sole nutritional carbon and phosphorus source for microbial cultures. The second step involves diluting the culture and adding an inexpensive carbon source to encourage bacterial phosphate assimilation. The biodegradation typically involves a consortium of microorganisms comprising Methylobacterium radiotolerans GB21, Agrobacterium tumefaciens GB2GA, Klebsiella oxytoca GB2CS, GB272, Aureobacterium sp. GB2 and three bacterial isolates belonging to the same species GB23, GB272, and GB292.

The invention relates to an adsorption filter material (1) that provides protection against chemical toxins, chemical weapons and pollutants, with a preferably multi-layer composite construction (2). The layer construction (2) includes at least one planar support layer (3) with two opposing sides (3′, 3″) and an adsorption layer (4), provided on the support layer (3) made from a material which adsorbs chemical toxins, the surface of at least one of the both sides (3′ and / or 3″) of the support layer (3) being modified by plasma treatment. The surface properties, in particular the surface finish and the surface reactivity can be adjusted and optimised to match the application by means of the plasma treatment.

The invention discloses an all-area water purifying vehicle which comprises a vehicle chassis with a heat-insulating square bin, a water purifying device arranged in the heat-insulating square bin anda tail gas heat exchange device. The water purifying device comprises a pretreatment component and a double-membrane treatment component, the pretreatment component comprises a pre-filter, a micro-flocculation filter, a precision filter and a security filter in sequential communication, the double-membrane treatment component comprises an ultrafiltration filter and a reverse osmosis filter in sequential communication, the pretreatment component is used for treating raw water, and the double-membrane treatment component is used for treating water after being treated by the pretreatment component; the tail gas heat exchange device utilizes tail gas of a vehicle chassis engine to heat the heat insulating square bin which is made of carbon fiber. The water purifying device in the all-area water purifying vehicle can purify high-turbidity, low-temperature and low-turbidity and organic pollution water sources and water sources polluted by chemical weapons, nuclear weapons and biological weapons to reach drinking water standards (GB5749-2006); the tail gas heat exchange device can heat the heat insulation square bin, so that the all-area water purifying vehicle is suitable for cold regions.

The present invention relates generally to the destruction of chemical weapons. In particular, the present invention relates to methods for treating hydrolysates of chemical agents. In one embodiment, the present invention provides a method comprising oxidizing a hydrolysate of a chemical agent to produce an aqueous layer and an organic layer, the aqueous layer comprising an organophosphorus concentration and the organic layer comprising an organosulfur concentration, and separating the organic layer from the aqueous layer.

Novel three-component formulations, procedures and methods for use in treating neuropathology incident to trauma are provided. Three-component formulations of the invention comprise biologically active forms of at least one neurosteroid, at least one anti-epileptic or anticonvulsant, and at least one lithium-containing or lithium-related compound. The provided formulations are configured or adapted to prevent or reduce the incidence and severity of neurological damage caused by neurotrauma. Formulations, procedures and methods of the invention advantageously effect both neuroprotective actions to prevent or reduce secondary injuries, and neurotrophic actions to repair and restore cells and tissues affected by the trauma, and are especially useful in treating neurological trauma, such as those caused by sports injuries, chemical weapons, vehicle collisions and improvised explosive devices in combat.

Novel two-component formulations, procedures and methods for use in treating neuropathology incident to trauma are provided. Two-component formulations of the invention comprise biologically active forms of at least one neurosteroid or neuroactive steroid, such as progesterone or synthetic progestin, and at least one anti-epileptic or anticonvulsant, such as gabapentin. The provided formulations are configured or adapted to prevent or reduce the incidence and severity of neurological damage caused by trauma. Formulations, procedures and methods of the invention advantageously effect both neuroprotective actions to prevent or reduce secondary injuries, and neurotrophic actions to repair and restore cells and tissues affected by the trauma, and are especially useful in treating neurological trauma, such as those caused by sports injuries, chemical weapons, vehicle collisions and improvised explosive devices in combat.

A method for storing ecologically dangerous substances underground and an apparatus for accomplishing the method. These substances can be radioactive waste, spent fuel elements, nuclear warheads, weapons-grade uranium and plutonium, in all forms, as well as chemical weapons and many other toxic substances, including biologically dangerous substances. Also, this invention can be used for storing many other, specific storage objects, preferably particularly valuable metals, minerals and jewelry produced from same, as well as valuable papers, banknotes, archive contents and historical documents which are to be stored for a long time, etc. Storage takes place in a storage site having deep underground boreholes, by a special gas-hydrodynamic system and by remote control of all the necessary deep loading and unloading operations without using conventional mechanical loading and unloading devices such as shaft elevators, lifts and the like which substantially restrict the range of application of underground storage sites. Unauthorized access to the storage objects is excluded and nuclear and radiation safety is guaranteed in the storage of, for example, radioactive waste, spent fuel elements and also weapons-grade uranium and plutonium, as well as the safety of stocks of chemical weapons and / or their dangerous components as well as of many other toxic substances, and the fire safety of the underground storage zone and storage costs are reduced.

The invention discloses a method and an equipment system for treating organic pollution waste gas during environment protection emergency, which are used for rapidly treating leaked volatile organism in environmental protection emergency. The equipment system comprises a gas treating system and a liquid collecting system, wherein the gas treating system comprises a collecting cover, a draught fan, a flame arrester and a dielectric barrier low-temperature plasma generator; the draught fan is mainly used for generating negative pressure, the volatile organic gas sequentially passes through the collecting cover, the draught fan and the flame arrester after absorption, and finally enters the dielectric barrier low-temperature plasma generator for oxidization; the liquid collecting system comprises a collecting bucket and a liquid collector, a collector tube is connected between the collecting bucket and the liquid collector, the collector tube is provided a valve which is used for controlling the on-off of the collector tube, and leaked liquid organism is collected by the liquid collector and then flows into the collecting bucket through the collector tube. According to the method and the equipment system, pollution of volatile organism to an emergency accident site is rapidly and efficiently treated, the harm of the organism to the environment, the air and the ecological system is lowered to the greatest extent, and the method and the equipment system can be applied to disinfection for a chemical weapon pollution site in the field of military.

The invention relates to a plasma generator (4, 4′) for electrothermal and electrothermal-chemical weapon systems, which plasma generator comprises a combustion chamber (20) having a combustion chamber channel, and a center electrode (24, 24′) disposed inside the combustion chamber channel (20′), which combustion chamber and center electrode are electrically conductive and each comprise a respective first connector (26, 42′, 33, 45′) for an electrical connection to a respective second connector (14c, 49, 14d, 48), interacting with the respective first connector, on the back piece of the weapon system. The connector (42′) belonging to the combustion chamber and the connector (45′) belonging to the center electrode are axially displaceable relative to each one of the connectors (48, 49) belonging to the back piece (14), with a maintained, radial contact between the first and the second connectors (42′, 45′ and 48, 49). The invention also relates to a method for maintaining the electrical contact of the plasma generator.

The invention provides a marine salvage device for recovering remaining chemical weapons. The marine salvage device for recovering the remaining chemical weapons comprises a salvage ship body, a salvage part arranged on the salvage ship body as well as a plurality of remaining chemical weapon accommodating boxes arranged on the salvage ship body. The marine salvage device for recovering the remaining chemical weapons, which is provided by the invention, is provided with an electromagnetic adsorption piece, and the adsorption piece adopts a bowl-shaped structure and can firmly hold the searchedremaining chemical weapons, so that danger caused by the fact that the remaining chemical weapons fall off when being adsorbed on the ship body can be avoided; furthermore, the salvaged remaining chemical weapons are placed in a closed box body, and granular foam materials are arranged in the box body and achieve the stable effect; in addition, the box body is filled with liquid nitrogen, so thatthe remaining chemical weapons are placed in the environment which is not liable to waggle and react physically and chemically, and the personal safety of search and rescue personnel is guaranteed.

The present invention relates generally to the destruction of chemical weapons. In particular, the present invention relates to methods for treating hydrolysates of chemical agents. In one embodiment, the present invention provides a method comprising oxidizing a hydrolysate of a chemical agent to produce an aqueous layer and an organic layer, the aqueous layer comprising an organophosphorus concentration and the organic layer comprising an organosulfur concentration, and separating the organic layer from the aqueous layer.

A process and sensor device are disclosed that employ metal β-diketonate polymers to selectively capture gas-phase explosives and weaponized chemical agents in a sampling area or volume. The metal β-diketonate polymers can be applied to surfaces in various analytical formats for detection of: improvised explosive devices, unexploded ordinance, munitions hidden in cargo holds, explosives, and chemical weapons in public areas.

The present invention relates to prefabricated rooms and the construction thereof. More particularly, the present invention, relates to prefabricated sealed rooms that serve as a room for daily use and protects from weapons of mass destructions such as nuclear fallout, biological or chemical weapons, and natural disasters.

A process and sensor device are disclosed that employ metal β-diketonate polymers to selectively capture gas-phase explosives and weaponized chemical agents in a sampling area or volume. The metal β-diketonate polymers can be applied to surfaces in various analytical formats for detection of: improvised explosive devices, unexploded ordinance, munitions hidden in cargo holds, explosives, and chemical weapons in public areas.

A process for the low temperature, non-incineration decontamination of contaminated materials, such as chemical weapon components containing residual quantities of chemical warfare agents. The process includes the steps of (a) contacting the contaminated materials with steam at substantially ambient pressure in a substantially dry first heated vessel for a period of at least about 15 minutes, the steam being at a temperature of at least about 560° C., (b) removing condensible and non-condensible gases from the first heated vessel and heating them in a second vessel at substantially ambient pressures to temperatures of at least about 500° C. for a period of at least about one second in an atmosphere containing steam, and (c) catalytically treating non-condensible gases from the second vessel in the presence of oxygen so as to reduce the concentration of chemical warfare agents to less than about 1.0 mg / m3 at standard temperature and pressure.

A system for defending against an intruder includes a building having a wall dividing first and second spaces and a nonlethal device selectively operable through the wall. The nonlethal device includes an enclosure mounted to the wall and having an access door for selectively accessing an interior compartment of the enclosure from the first space, a container of a nonlethal chemical weapon, such as a lachrymatory agent, having an outlet and located within the enclosure, a conduit extending from the container to the second space through the wall and having an inlet in fluid flow communication with the outlet of the container of nonlethal chemical weapon, and a valve operable to selectively release the nonlethal chemical weapon from the container and through the conduit to the second space to form a cloud of the nonlethal chemical weapon within the second space.

A neutralization treatment method for solid residue in waste chemical weapon, meaning a method for decontaminating and neutralizing solid remaining in a bullet shell (1a) of a chemical bullet (1), includes the steps of washing and dissolving the solid residue using an organic solvent to obtain a solid residue solution, and neutralizing said solid residue solution with an alkaline solution A and an oxidant O. Such a neutralization treatment method for solid residue in waste chemical weapon is capable of detoxifying entire sediment effectively in a short period of time by absolutely and promptly dissolving all the sediment (heal) of chemical weapons and by promoting hydrolysis.