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| Number | Title | Issue Date |
| 8057611 | Multi-composition pyrotechnic grain A multi-composition pyrotechnic material is provided for an inflatable restraint device (for example, an airbag system or pretensioner for a vehicle). The multi-composition pyrotechnic material can be a gas generant, a micro gas generant, or an igniter, for example.... | 11/15/2011 |
| 7441503 | Expendable infra-red radiating means An expendable infra-red radiating means having a rupturable container 1 housing a plurality of decoy plates (11) and an ignition means (17) for igniting the decoy plates (11). Each of the decoy plates (11) comprises a composition o... | 10/28/2008 |
| 7185702 | Methods and compositions for the in-situ thermal stimulation of hydrocarbons using peroxide-generating compounds One embodiment provides a method for stimulating hydrocarbon production in a subterranean formation, comprising: introducing a peroxide-generating compound into a desired location in a subterranean formation, wherein the peroxide-generating compound is substantially... | 03/06/2007 |
| 6941868 | Single increment initiator charge A single increment initiator charge for use in an inflatable restraint system and a method of preparing the single increment initiator charge are provided. The single increment initiator charge includes a homogeneous blend of zirconium, an oxidizer such as potassium... | 09/13/2005 |
| 6878221 | Lead-free nontoxic explosive mix The present invention is directed to a lead-free, nontoxic pyrotechnic composition, comprising: 30-80 wt % of bismuth subnitrate; and 10-50 wt % of a fuel, wherein all weight percents are based on the total weight of the composition. The present invention is also di... | 04/12/2005 |
| 6843869 | Porous igniter for automotive airbag applications A porous igniter body and a method of making the same are provided wherein a blowing agent component including at least one thermally decomposable blowing agent solid is mixed with at least one igniter fuel and at least one igniter oxidizer to form an igniter body p... | 01/18/2005 |
| 6841015 | Delay element and ignition composition A high temperature combination delay element and ignition composition contains a polymeric silicone component, an oxidizer component and a high temperature metal component. ... | 01/11/2005 |
| 6786986 | Non-toxic composition for priming mixture for small caliber arms ammunition This disclosure considers the use of specifically-sized Nitrocellulose particles of 75 ml fineness, free of other chemicals, as a flame enhancer in a Diazodinitrophenol primer mixture that is free of heavy metal constituents. ... | 09/07/2004 |
| 6783616 | Method to produce pyrotechnical igniting mixtures The invention relates to pyrotechnic primer charges produced on the basis of metal powders or metal hydride powders, potassium perchlorate and binders. In order to obtain a homogenous mixture, the powdery components are mixed with a liquid dispersing agent in a susp... | 08/31/2004 |
| 6695938 | Reduced toxicity hypergolic bipropellant fuels The reduced toxicity hypergolic bipropellant fuels of the present invention contain a hypergolic fuel and rocket grade hydrogen peroxide oxidizer, preferably HTP. The hypergolic fuel may be a reactive fuel or a catalytic fuel. The rocket grade hydrogen pe... | 02/24/2004 |
| 6651563 | Ignition elements and finely graduatable ignition components An ignition element consists of a combination of first and second ignition components. The first ignition component contains at least one primer, at least on heat-conducting additive selected from the group consisting of zirconium, aluminum, titanium, fer... | 11/25/2003 |
| 6645326 | Low temperature autoignition material The autoignition compositions of the present invention ignites in the temperature range of 120° C. to 160° C. The autoignition compositions are thermally stable at 107° C. for 400 hours and are thermally stable during thermal cycling. The preferred com... | 11/11/2003 |
| 6527887 | Polymeric cyclodextrin nitrate esters Cyclodextrin polymers are nitrated to provide novel nitrate esters of cyclodextrin polymers which are useful for encapsulating explosives to provides energetic compositions of reduced sensitivity; a new method for the preparation of cyclodextrin polymers ... | 03/04/2003 |
| 6523477 | Enhanced performance insensitive penetrator warhead A warhead assembly includes a penetrating casing having a forward nose portion and an generally cylindrical aft portion opposite said nose portion. A closure ring is disposed in said aft portion, a vent also being provided in said aft portion. The warhead... | 02/25/2003 |
| 6419771 | Non-toxic hypergolic miscible fuel with stable storage characteristics The non toxic bipropellent of the present invention contains a non-toxic hypergolic miscible fuel (hereinafter referred to as "NHMF") and a rocket grade hydrogen peroxide. This NHMF has rapid ignition capability and minimizes the formation of precipitate,... | 07/16/2002 |
| 6409854 | Low burning rate, reduced hazard, high temperature incendiary A high temperature incendiary composition having a reactive material of titanium, a second reactive material of boron, an oxidizer of polytetrafluoroethylene in an amount of from about 10 weight percent or less of the composition and a binder of carboxyl-... | 06/25/2002 |
| 6402864 | Low slag, reduced hazard, high temperature incendiary A high temperature incendiary composition having a reactive material of titanium, a second reactive material of boron, an oxidizer of polytetrafluoroethylene in an amount of from about 20 weight percent or greater of the composition and a binder of CTBN i... | 06/11/2002 |
| 6368434 | Igniter tube and propellant charge made of granular material in a binder The invention relates to a process to manufacture an object using at least one granular material (16) having a large particle size, for example greater than or equal to 0.1 mm, such process being characterised by the following stages: the granular materia... | 04/09/2002 |
| 6315847 | Water-free preparation of igniter granules for waterless extrusion processes This substantially water-free method for preparing high density igniter granules involves uniformly coating fuel and oxidizer particulates dispersed in a non-solvent with a thermoplastic elastomer solution to produce coated igniter granules exhibiting sub... | 11/13/2001 |
| 6296678 | Long duration infrared-emitting material This invention pertains to an article that emits infrared radiation for a period of about 15 minutes or more, depending on the size and shape, and to a process for preparing the article. The article includes, in a preferred embodiment, a combustible aerog... | 10/02/2001 |
| 6232479 | Substituted cyclotetraphophazene compound and method of producing the same A novel cyclotetraphosphazene compound, 1,1-diamino-3,3,5,5,7,7-hexaazidocyclotetraphosphazene, is disclosed which has application as an energetic compound and percussion primer. Also disclosed is a method of preparing the compound.... | 05/15/2001 |
| 6227116 | Pyrotechnical charge for detonators A detonator comprising a shell with a secondary explosive base charge, igniting means and an intermediate pyrotechnical train, said train comprising a novel ignition composition with a specific redox-pair of a metal fuel and a metal oxide oxidant, said fu... | 05/08/2001 |
| 6224099 | Supplemental-restraint-system gas generating device with water-soluble polymeric binder The present invention relates to an igniter composition which is capable of being extruded to yield a robust igniter extrudate. The composition is particularly useful in the form of an igniter stick or other selected geometry for use in supplemental safet... | 05/01/2001 |
| 6218554 | Substituted cyclotetraphosphazene compound and method of producing the same A novel cyclotetraphosphazene compound, 1,5-diamino-1,3,3,5,7,7-hexaazidocyclotetraphosphazene, is disclosed which has application as an energetic compound. Also disclosed is a method of preparing the compound.... | 04/17/2001 |
| 6036794 | Igniter composition An igniter composition, and a method of manufacturing the igniter composin, comprised of an oxidizer dispersed in polyurethane resin using anhydrous acetone as a solvent. The polyurethane resin is cured at room temperature and granulated to form a granul... | 03/14/2000 |
| 5932837 | Non-toxic hypergolic miscible bipropellant The non-toxic bipropellent of the present invention contains a non-toxic ergolic miscible fuel (NHMF) and a rocket grade hydrogen peroxide. This non-toxic hypergolic miscible fuel (NHMF) has rapid ignition capability. The non-toxic hypergolic miscible fu... | 08/03/1999 |
| 5780765 | Pyrogen compound kit for an electrical model rocket ignitor The invention is directed to an electrical ignitor for a model rocket, including two insulated lead wires, with each lead wire having an uninsulated end. An element wire interconnects the uninsulated ends from each lead wire. The element wire forms a plur... | 07/14/1998 |
| 5392713 | Shock insensitive initiating devices The invention relates to a shock insensitive explosive train initiating dce including a thin elongated metal casing containing a quantity of hydrated metal picrate therein, a thermite igniter composition disposed adjacent to the hydrated metal picrate ch... | 02/28/1995 |
| 5035756 | Bonding agents for thermite compositions A thermite mixture with a low autoignition temperature for venting ordnance ase sidewalls during fuel fire, having increased density, tensile strength and elasticity.... | 07/30/1991 |
| 4877466 | Percussion-sensitive thermostable pyrotechnic compound The invention relates to the field of percussion-sensitive thermostable ptechnic compounds. It includes a mixture of a primary explosive and a powder of selenium and/or sulfur. The primary explosive is taken from the group of metallic nitrides and consti... | 10/31/1989 |
| 4832766 | Method of controlling chemical reactivity and products produced by such method This invention relates to methods of controlling the generation and flow of fracto-emitted particles, preferably exo-electrons for purpose of enhancing chemical reactivity, e.g., the sensitivity of friction matches, or for purpose of diminishing chemical ... | 05/23/1989 |
| 4799979 | Heat generation Heating or heat generation in general can be from activated aluminides of molybdenum, zirconium or other similar ignitible metals. Activation is by leaching out some of the aluminum and leaves a product which is highly pyrotechnic but not pyrophoric. Acti... | 01/24/1989 |
| 4708913 | Pyrophoric process and product Metals like iron and nickel are pyrophorically activated by continuous or batch treatment. Activated metal can be coated with material that increases, or tempers by partial blocking, pyrophoric action. Pyrophoric powder can be compacted with ignitable pow... | 11/24/1987 |
| 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 chemically bound form and when needed is released in the cou... | 05/27/1986 |
| 4484960 | High-temperature-stable ignition powder A mixture of about from 60 to 40 percent amorphous boron and about from 94 to 60 percent ferric oxide, useful as an ignition composition for electrically actuated blasting caps and squibs, has outstanding thermal stability, i.e., up to about 500° C. maki... | 11/27/1984 |
| 4417900 | High temperature solid fire starter A solid fire starter which will provide a high temperature consisting of a mixture of hexamethylenetetramine, magnesium powder, an oxygen producing chemical, and a binder. The preferred proportion of magnesium to hexamethylenetetramine is about 2 to 3. Th... | 11/29/1983 |
| 4383874 | Pyrotechnic composition for delay elements A pyrotechnical composition for delay elements comprising metallic antimony and potassium permanganate are disclosed. The pyrotechnical composition can contain 0.1 to 2.08 percent of a light metal in powder form. It is useful as a delay composition in tim... | 05/17/1983 |
| 4336084 | Method for making primer constituents An improved method for producing known primer constituents lead styphnate and barium nitrate, in situ, plus water. The process is carried out by reacting effective amounts of trinitroresorcinol (TNR), with barium hydroxide, or barium carbonate, and lead n... | 06/22/1982 |
| 4303413 | Oxygen gas generator and method of manufacturing the gas generator A gas generator is capable of being stored in a stable form for long periods of time without deteriorating in quality. The gas generator provides a substantial amount of gases, and particularly oxygen, carbon monoxide or carbon dioxide without producing a... | 12/01/1981 |
| 4213393 | Gun projectile arranged with a base drag reducing system A gun-launched projectile with a chamber for generation of combustion gases from a propellant grain is disclosed. The chamber is arranged with at least one gas outlet in its base plane, said propellant grain having a burning area, mass and static burning ... | 07/22/1980 |
