Did You Know...
...that after Parker Brothers executives turned down the game of Monopoly because it had "52 fundamental errors" (including taking too long to play), a copy of the game wound up in the home of the company president who stayed up until 1 a.m. to finish playing it? He was so impressed by the game that the next day he wrote to inventor Charles Darrow and offered to buy it!
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| Number | Title | Issue Date |
| 6645325 | Fast-burning nitrocellulose compositions Explosive or propellant compositions containing at least one nitrocellulose contain an additive including at least one substituted tetrazine in amounts effective to increase the burning rate of the composition. A preferred additive is 3,6-dihydrazino-s-te... | 11/11/2003 |
| 6322649 | Process for providing gradual deployment of an airbag and a pyrotechnic charge for its implementation The invention relates to the field of protecting the occupants of a motor vehicle by an inflatable airbag. The invention relates to a process consisting in inflating an airbag (1) by a pyrotechnic generator (2) containing a double-composition charge (9) f... | 11/27/2001 |
| 6110306 | Complexed liquid fuel compositions This invention relates to liquid propellant compositions containing an enetic material of organic nitrate esters. The organic nitrate esters of the present invention are complexed with a nitrate ester plasticizer, bismuth subsalicylate, and stabilizer to... | 08/29/2000 |
| 6026749 | Multiple base propellant with combustion inhibitor A combustion inhibiting composition for use in conjunction with a solid, gas-generating charge, the composition comprising an organic polymeric material containing an oxygen-containing organic filler compatible with said polymeric material, the oxygen to ... | 02/22/2000 |
| 5652409 | Bismuth and copper ballistic modifiers for double base propellants Double base propellants having a mixture of bismuth and copper salts of hydroxy-substituted benzoic acids added as burning rate (ballistic) modifiers.... | 07/29/1997 |
| 5468313 | Plastisol explosive Castable high explosive compositions having a binder system containing plastisol grade nitrocellulose (PNC) and an energetic plasticizer are disclosed. The explosive composition also includes a solid high explosive ingredient, such as an explosive nitrami... | 11/21/1995 |
| 5269224 | Caseless utilized ammunition charge module A unitary propellant charge module for use in separate ammunition comprises a combustible container having a generally hollow cylindrical shape, a generally cylindrical charge body of interconnected compacted spheroidal propellant grains disposed within t... | 12/14/1993 |
| 5205983 | Energetic plasticizer and improved gas producing charges An energetic plasticizer for double base propellants comprising (1) a mixe of sorbitol tetra-,penta-, and hexa-nitrate (MSN) and (2) a polyolpolynitrate selected from the group consisting of diethyleneglycoldinitrate (DEGDN), triethyleneglycoldinitrate (... | 04/27/1993 |
| 5034072 | 5-oxo-3-nitro-1,2,4-triazole in gunpowder and propellant compositions Use of 5-oxo-3-nitro-1,2,4-triazole in gunpowder and propellant compositions are disclosed. Such compositions include triple base gunpowders further containing nitrocellulose and a liquid nitric ester such as nitroglycerine. Lowered flame temperatures of ... | 07/23/1991 |
| 4701228 | Process for the manufacture of a double-base propellent composition with low flame-glare emission The invention relates to a process for the manufacture of a double-base propellent composition with low flame-glare emission, and a propellent composition thus obtained. The process of the invention consists in casting a nitrocellulose-based moulding powd... | 10/20/1987 |
| 4681643 | Fast burning propellants A solid or semisolid propellant comprising grains of propellant or propellant components bonded together so as to create voids within the propellant volume, said grains bonded together with sufficient strength to substantially delay the fluidization of th... | 07/21/1987 |
| 4638735 | Combustion inhibitor based on an aliphatic polyurethane elastomer for a propellant, and block coated with this inhibitor The invention relates to a combustion inhibitor composition intended to cover partly the surface of blocks of double-base propellant. The inhibitor composition of the invention includes an aliphatic polyurethane obtained by the reaction of at least one po... | 01/27/1987 |
| 4581082 | Primer charges free of lead and barium A primer charge containing an oxidizing agent and an initiating explosive. The charge contains as the oxidant zinc peroxide and as the initiating explosive diazodinitrophenol and/or a strontium salt of mono- and/or dinitrodihydroxydiazobenzene. In corresp... | 04/08/1986 |
| 4555279 | Low detonation velocity explosive composition A liquid-type low detonation-velocity explosive composition having reduced shock energy with unhindered bubble energy, and a method for minimizing damage from explosive well stimulation procedure by use of such composition.... | 11/26/1985 |
| 4555276 | High density pressure resistant invert blasting emulsions A method of minimizing deep hole pressure effects on ammonium nitrate-containing blasting agents while optimizing booster sensitivity, detonation rate and detonation energy of such agents, by replacing density control component(s) with a sensitizer formul... | 11/26/1985 |
| 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 handling characteristics of invert emulsions by utilizing an e... | 10/15/1985 |
| 4525313 | Process and apparatus for producing single- or multi-base propellants Single- or multi-base propellants are produced in a solvent process from ir starting components, of which at least one is moistened with alcohol, using a twin-shaft screw extruder, that has an inlet zone run at a raised temperature, then nextly a mixing ... | 06/25/1985 |
| 4521261 | Double base propellant compositions A double base propellant composition having well-platonized ballistics at low burning rates consists of nitroglycerine (NG), nitrocellulose (NC) at least one lead compound and at least one copper (II) salt of an aliphatic dicarboxylic acid. The copper sal... | 06/04/1985 |
| 4420350 | Doublebase ballistic modifiers The inclusion in a double base propellant of a ballistic modifier selected rom the class consisting of copper, lead, tin, and bismuth chelates of a dihydroxybenzophenone or alkoxyhydroxyphenzophenone.... | 12/13/1983 |
| 4408534 | Gas generating charge and a process for producing the same A gas generating propellant charge which is made by piling explosive powder sheets having a plurality of projections on at least one surface thereof so as to make contact them with each other is excellent in firing characteristics, and the explosive powde... | 10/11/1983 |
| 4321220 | Method of reinforcing propellant charge A method for strengthening a propellant charge by incorporating a support ructure in the propellant charge comprises slowly traversing a flexible perforated material through a propellant lacquer until the desired loading is obtained. Reinforcement by this... | 03/23/1982 |
| 4298552 | Solventless extrusion of double base propellant prepared by a slurry process Small charges of high energy double base propellants are prepared by solventless extrusion of propellant billets prepared by a slurry type process.... | 11/03/1981 |
| 4263068 | TL-166 Blasting agent A blasting agent comprising ammonium nitrate, fuel, a nitroalkane and bentonite as a thickening agent.... | 04/21/1981 |
| 4243444 | Ballistic modifiers, synthesis . . . propellants A new class of ballistic modifiers and the synthesis thereof is disclosed rein and are used in propellants either individually or as admixtures in percentages of approximately 0.5 to 6 weight percent to impart mesa or plateau burning rate characteristics ... | 01/06/1981 |
| 4214927 | Granular propellant A double-base granular propellant consisting mainly of nitroglycerine and nitrocellulose, said nitrocellulose being formed into a three-dimensional structure by the crosslinking reaction of a polyfunctional isocyanate, is disclosed. The propellant is supe... | 07/29/1980 |
| 4172866 | Drying process for casting powders Process for removal of residual "processing" solvent from propellant casting powder particles, following their manufacture, which comprises "liquid drying" the particles by contacting them with an organic liquid miscible with the processing solvent but ex... | 10/30/1979 |
| 4082584 | Ballistic modifier A ballistic modifier produced as the product of the pyrolysis of heavy me oxides and various ureas.... | 04/04/1978 |
| 4080411 | Slurry-cast propellant method A process is provided for preparing double base propellant by slurry casting in which flake casting powder is employed as the source of nitrocellulose. High burning rate propellants can be prepared by this process employing flake casting powder containing... | 03/21/1978 |
| 4051207 | Process for the production of propellant charge powders, especially nitroguanidine powders A process for producing propellant charge powders from solvent-containing mixtures such as nitroguanidine powders containing nitrocellulose and/ or nitrocellulose and diglycol dinitrate or nitroglycerin and nitroguanidine and additives wherein an alcohol-... | 09/27/1977 |
| 4031172 | Process for preparing nitrocellulose for use in small arms An improved process for producing colloidal nitrocellulose having a high vimetric loading density by a shock gel type process is provided. Process improvements result in part from the use of 13.35%N as the source of nitrocellulose and from the use of die... | 06/21/1977 |
| 3996080 | Ballistic modifiers Ballistic modification is accomplished by incorporation oxides of lead and in in nitramine double-base propellants.... | 12/07/1976 |
| 3989776 | Process for preparing double base propellants containing ballistic modifier An organo-metallic ballistic modifier produced as an evaporation residue by the interaction of two or more organo-metallic salts in an aqueous solution of water or alcohol at an elevated temperature (180° F - 220° F). The modifier allows the use of a so... | 11/02/1976 |
| 3979236 | Anti-erosive, solid rocket double-base propellant compositions A means for reducing or eliminating the erosive burning which takes place ring the burning phase of solid propelled rocket motors which have a large length-to-diameter ratio and/or slow-burning propellants is disclosed. The means comprises incorporating i... | 09/07/1976 |
| 3963545 | Energetic double base propellant composition An energetic double base propellant composition consisting essentially of trocellulose and nitroglycerin as the major ingredients with about 48-52 weight percent of the propellant composition being nitrocellulose and about 40-44 weight percent of the prop... | 06/15/1976 |
| 3960621 | Propellents 1. A process for the production of a cast propellent which consists in blending a colloided nitrocellulose smokeless powder composition containing a platonisation agent selected from the group consisting of lead stearate, lead citrate, lead salicylate, le... | 06/01/1976 |
| 3954531 | Composite double base propellant composition containing ferric fluoride Composite-modified double base propellants containing aluminum as a metal el having ferric fluoride added as a combustion catalyst, a thermal stabilizer and an aid in reducing exhaust plume interference with a radar guidance system.... | 05/04/1976 |
| 3951706 | Solid propellant mixtures and process of preparation 7. A process for preparing a solid propellant composition having a plateau-burning rate comprising the steps of A. mixing at room temperature the following ingredients until a viscous binder results: B. blending into said binder, until a homogeneous pourable m... | 04/20/1976 |
| 3947523 | Composition comprising epoxy resin, copolymer of butadiene and acrylic acid, curing agent and inorganic metal salt 1. A composition of matter comprised of an epoxy resin, a copolymer of butadiene and acrylic acid, a curing agent, and between about 2.5 and about 30 percent by weight of an inorganic metal salt selected from the group consisting of metal chromates, metal... | 03/30/1976 |
