Famous Patents
William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5536339 | Air bag inflator gas compositions and inflator containing the same Air bag inflators having reduced risk of premature deployment, reduced risk of chemical and thermal burning of the driver, and reduced toxicity are obtained by using a non-sodium azide containing gas generating composition. The gas generating compositions... | 07/16/1996 |
| 5529647 | Gas generant composition for use with aluminum components A gas generant composition adapted for use with airbag restraint systems containing aluminum components includes a fuel which is a tetrazole or a triazole, an oxidizer which is an ammonium, alkali metal and/or alkaline earth metal salt of a chlorate, perc... | 06/25/1996 |
| 5525166 | Pryotechnic composition and device containing such composition A pyrotechnic composition, particularly for fireworks, which contains an organic compound having at least one aromatic group as a binder. The compound preferably has a weight ratio of carbon:hydrogen of at least 10:1 and is substantially free of groups of... | 06/11/1996 |
| 5525170 | Fumaric acid-based gas generating compositions for airbags The subject invention concerns a propellant mixture for producing propellant gas for passenger protection systems in motor vehicles, in particular airbag systems. According to this invention, this propellant mixture comprises fumaric acid, with a share of... | 06/11/1996 |
| 5514230 | Nonazide gas generating compositions with a built-in catalyst Nonazide gas generating compositions are formed from a nonazide fuel, an oxidizer, a slag former, and a built-in catalyst comprising an alkali metal, alkaline earth metal, or transition metal salt of tetrazoles, bitetrazoles, and triazoles, or a transitio... | 05/07/1996 |
| 5500059 | Anhydrous 5-aminotetrazole gas generant compositions and methods of preparation A solid composition for generating a nitrogen containing gas is provided. The composition includes an oxidizer and a 5-aminotetrazole fuel selected from anhydrous 5-aminotetrazole derivatives, salts, complexes, and mixtures thereof. The salts and complexe... | 03/19/1996 |
| 5482579 | Gas generator compositions A gas generator composition, primarily containing perchlorate and cellulose acetate is provided to generate a large amount of gas without forming any substantial amount of harmful carbon monoxide. A metal oxide is additionally incorporated in an amount of... | 01/09/1996 |
| 5474625 | Desensitized solid rocket propellant formulation A composite propellant composition and process are disclosed for reducing e reactive violence during cook-off and to improve the performance of a potassium perchlorate/ammonium perchlorate propellant composition wherein 0.25-2.0% by weight, of iron oxide ... | 12/12/1995 |
| 5472536 | Tracer mixture for use with laser hardened optics A pyrotechnic mixture for use in tracer rounds of projectiles to increase sibility under high speed conditions when viewed through laser hardened optics, comprising, in percentages by weight, an admixture of 20% to 40% magnesium, 10% to 30% strontium nitr... | 12/05/1995 |
| 5467715 | Gas generant compositions A gas generant composition contains as a fuel a mixture of a major portion of a triazole or tetrazole and a minor portion of a water soluble fuel; and an oxidizer component, at least 20 wt % of said oxidizer component being a transition metal oxide, such ... | 11/21/1995 |
| 5460667 | Gas generating agent and gas generator for automobile air bags A gas generating agent comprising at least one compound (A) selected from the group consisting of maleic hydrazide, carbohydrazide, thiocarbohydrazide and 3-methyl-5-pyrazolone and a gas generator containing said gas generating agent. The gas generating a... | 10/24/1995 |
| 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 potassium perchlorate, has improved properties including red... | 09/12/1995 |
| 5366571 | High pressure-resistant nonincendive emulsion explosive An improved emulsion explosive composition including hollow microspheres/bulking agents having high density and high strength. The hollow microspheres/bulking agents have true particle densities of about 0.2 grams per cubic centimeter or greater and inclu... | 11/22/1994 |
| 5226986 | Formulation of multi-component explosives Process for the formulation of a multi-component explosive composition from non-detonable components comprising a defined body of unconsolidated particulate aluminum fuel granules and an oxidizing liquid. Specific particulate aluminum fuel has an average ... | 07/13/1993 |
| 5145535 | Method for intermolecular explosive with viscosity modifier A method for improving the disperion of particulate materials in intermollar explosive compositions which comprises dry blending at least one fuel compound and at least one oxidizer compound, a viscosity modifier and a dispersable particulate material, m... | 09/08/1992 |
| 5139588 | Composition for controlling oxides of nitrogen A gas generant composition devoid of azides which yields solid combustion products which are easily filtered rendering the gases useful for inflating automobile occupant restraint bags and further providing a reduction in the amount of toxic oxides of nit... | 08/18/1992 |
| 5074939 | Explosive composition The present invention relates to cap-sensitive explosive compositions, in particular to emulsion explosives doped with solid particulate ammonium nitrate which retain stability and cap-sensitivity despite containing relatively high levels of dopant.... | 12/24/1991 |
| 5035757 | Azide-free gas generant composition with easily filterable combustion products A gas generant composition devoid of azides which yields solid combustion products which are easily filtered rendering the gases useful for inflating automobile occupant restraint bags.... | 07/30/1991 |
| 5034073 | Insensitive high explosive An explosive composition having a combination of a principal explosive, which is relatively insensitive to initiation of detonation, two mesh fractions of a sensitizing explosive which is relatively sensitive to initiation of detonation, a critical diamet... | 07/23/1991 |
| 5019192 | Primary/detonator compositions suitable for use in aluminum cups The invention is directed to a primary/detonator composition suitable for use in an automobile airbag system. The composition may safely be housed in aluminum support structures (a/k/a cups).... | 05/28/1991 |
| 5015311 | Primary/detonator compositions suitable for use in copper cups The invention is directed to a primary/detonator composition suitable for use in an automobile airbag system. The composition may safely be housed in a copper support structure (a/k/a cups).... | 05/14/1991 |
| 4999062 | Emulsion explosive composition containing a condensation product An emulsion explosive composition comprising a discontinuous phase comprising an oxygen-releasing salt, a continuous water-immiscible organic phase and an emulsifier component comprising a condensation product of a primary amine and a poly[alk(en)yl]succi... | 03/12/1991 |
| 4994125 | Electric primer with intrinsic conductive mix An electric primer has an intrinsically conductive pyrotechnic mixture consisting of a metal powder fuel, an alkaline oxidizer, and a sensitizing fuel. The primer mixture preferably consists of about 27% titanium metal powder, about 68% potassium chlorate... | 02/19/1991 |
| 4968365 | Pyrotechnical mixture for producing a smoke screen A pyrotechnic mixture for producing a smoke screen includes a reduction agent comprising a light metal, at least one oxidation agent comprising potassium nitrate, combustion moderators including at least one carbonate and a nitrogen producing compound and... | 11/06/1990 |
| 4948439 | Composition and process for inflating a safety crash bag Composition and process for inflating an automobile or aircraft safety crash bag comprising igniting at elevated pressure a pyrotechnic material comprising at least one tetrazole or triazole compound containing hydrogen in the molecule, at least one oxyge... | 08/14/1990 |
| 4931111 | Azide gas generating composition for inflatable devices Gas generating compositions containing an inorganic metal azide, a primary metal oxide oxidizing compound and a secondary oxidizing compound in combination with clay as a means of controlling the burn rate. Metal nitrates are preferred as the secondary ox... | 06/05/1990 |
| 4909549 | Composition and process for inflating a safety crash bag Composition and process for inflating an automobile or aircraft safety crash bag comprising igniting a pyrotechnic composition to generate a gas which is admixed with air by means of an aspirating venturi which results in substantially non-toxic products ... | 03/20/1990 |
| 4881994 | Iron oxide catalyst propellant, and method for making same A method of making a ferric oxide burning rate catalyst that results in a highly active, finely divided burning rate enhancing catalyst. An iron-containing compound that is capable of vaporization at a temperature below about 500° C. is vaporized. A mixt... | 11/21/1989 |
| 4874441 | Explosive for warheads and solid rocket propellant An explosive with maximum energy yield for warheads and solid rocket propellants comprises a high-energy secondary explosive with inorganic perchlorate and metal component with a high affinity for oxygen as well as desensitizing and binding agents. The ox... | 10/17/1989 |
| 4865667 | Gas-generating composition A nitrogen-generating composition useful for inflating air bags to protection for occupants of motor vehicles is disclosed which is composed of a stable nitride resistant to high temperatures and an inorganic oxidizing agent.... | 09/12/1989 |
| 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 |
| 4758287 | Porous propellant grain and method of making same A process for preparing a porous propellant grain which comprises blending at least two combustible materials to form a homogeneous mixture, adding a predetermined amount of a liquid dispersant to said mixture to form a slurry, and flash drying the slurry... | 07/19/1988 |
| 4746380 | Explosive compound comprising ammonium nitrate and glycine The invention relates to a new explosive compound which is an associated compound of ammonium nitrate and glycine and also includes explosive composition containing this compound. The compound ANGC is prepared by a crystallization process preferably effec... | 05/24/1988 |
| 4722757 | Solid explosive composition This invention provides a solid explosive composition comprising a low-water content melt-in-fuel emulsion when prepared at elevated temperature which solidifies on cooling. The emulsion comprises a continuous phase containing water immiscible fuel and em... | 02/02/1988 |
| 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 |
| 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.... | 09/02/1986 |
| 4600452 | Eutectic microknit composite explosives and processes for making same A new arrangement of matter is developed which can be formulated to be a high explosive, a propellant or a gas generator. The new arrangement of matter in its explosive embodiment is known as a eutectic microknit explosive (EMCX) in which an essentially a... | 07/15/1986 |
| 4600450 | Microknit composite explosives and processes for making same A new arrangement of matter is developed which can be formulated to be a high explosive, a propellant or a gas generator. The new arrangement of matter in its explosive embodiment is known as a microknit composite explosive (MCX) in which an essentially a... | 07/15/1986 |
| 4600451 | Perchlorate based microknit composite explosives and processes for making same A new arrangement of matter is developed which can be formulated to be a high explosive, a propellant or a gas generator. The new arrangement of matter in its explosive embodiment is known as a microknit composite explosive (MCX) in which an essentially a... | 07/15/1986 |
| 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 liquid hydrocarbon and an emulsifier in combination with ... | 01/28/1986 |
