"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 7862668 | Single-base propellant composition using BuNena as energetic plasticizer A gun propellant formulation comprising: a nitrocellulose component comprising from about sixty-five percent (65.0%) to about ninety-five (95.0%) of the gun propellant by weight, having a nitrogen proportion of substantially twelve and six-tenths percent (12.6%) nit... | 01/04/2011 |
| 7188567 | Gas generation system A gas generator (24; 140) may be used in an inflatable member system (20) which includes an inflatable member (22) expandable from a stowed condition to a deployed condition. The generator may include a flexible container (30; 150) within the in... | 03/13/2007 |
| 6982014 | Explosive composition for fireworks and method for manufacturing the same A method for preparing a pyrotechnic composition which comprises preparing a composition in a gel form using nitrocellulose and a nitro compound other than nitrocellulose, adding an oxidizing agent, a combustible material and a color rendering agent to the compositi... | 01/03/2006 |
| 6962633 | Amine azide propellant A novel family of amine azides having a cyclic structure therein is disclosed. These compounds have attractive properties as rocket propellants. ... | 11/08/2005 |
| 6913661 | Ammonium nitrate propellants and methods for preparing the same The present invention is directed to an age-stabilized and/or strengthened ammonium nitrate propellant composition wherein the strengthening agent is selected from the group consisting of azodicarbonamide, dicyandiamide, oxamide and mixtures thereof and wherein the ... | 07/05/2005 |
| 6723190 | ESD sensitivity in titanium/boron compositions A communication system comprises an input-output processor IOP (11) coupled to a plurality of network devices (10) and a protocol processor PP (12), both processors being coupled to a common memory (15). Memory access control means (16... | 04/20/2004 |
| 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 |
| 6607617 | Double-base rocket propellants, and rocket assemblies comprising the same This rocket motor propellant includes a combustible double-base propellant and non-carbonized, non-graphitized polymeric fibers dispersed in the double-base propellant. The double-base propellant is formed from a composition comprising nitrocellulose and ... | 08/19/2003 |
| 6599379 | Low-smoke nitroguanidine and nitrocellulose based pyrotechnic compositions A low-smoke pyrotechnic composition comprising nitrocellulose; nitroguanidine; an oxidizing agent; and, at least one of a flame coloring agent and metal powder, and a method of processing the same is disclosed.... | 07/29/2003 |
| 6591752 | Ignition material for an igniter An electrically actuatable igniter (24) comprises a pair of electrodes (40) and (42). A heating element (44) is electrically connected between the electrodes (40) and (42). An ignition material (48) is in contact with the heating element (44). The ignitio... | 07/15/2003 |
| 6425966 | Energetic plasticizer, and explosive and propellant composition containing same 2,2-dinitro-1,3-propanediol-diformate is a novel low sensitivity, energetic plasticizer that is useful in explosive and propellant compositions. 2,2-dinitro-1,3-propanediol-diformate can be made by reacting 2,2-dinitro-1,3-propane diol with acetic formic ... | 07/30/2002 |
| 6368431 | Air bag inflator An apparatus (2) for inflating an air bag (4) including a container (12) and a combustible material (20) disposed in the container. The combustible material (20) comprises a binder selected from the group consisting of cellulose acetate butyrate and cellu... | 04/09/2002 |
| 6322648 | Pyrotechnic active mass with ignition and combustion accelerator A pyrotechnical object is made by compressing a pyrotechnical mass, and introducing into the mass an ignition and combustion accelerator in the form of a propellant powder. The propellant powder could be mixed with the mass prior to compression. Alternati... | 11/27/2001 |
| 6309484 | Propellent charge powder for barrel-type weapons A propellent charge powder for barrel-type weapons having a plasticizer on the basis of nitramine and nitrocellulose, nitramine and energetic and non-energetic plastic binders, or nitrocellulose or an explosive, and wherein the plasticizer is a mixture of... | 10/30/2001 |
| 6241833 | High energy gun propellants A low sensitivity gun propellant is disclosed having improved impetus and ballistic potential comprising RDX particles combined with at least one matrix component and plasticizer components including nitroglycerin and amounts of methyl nitrato ethyl nitra... | 06/05/2001 |
| 6228192 | Double base propellant containing 5-aminotetrazole A family of Class 1.3 propellant compositions comprising nitrocellulose, at least one of a selected group of plasticizing nitrate esters, a thermal stabilizer, carbon and an energetic solid, and a method of making the family of propellant compositions is ... | 05/08/2001 |
| 6206988 | Hexanitrohexaazaisowurtzitane compositions and explosive compositions containing the same Hexanitrohexaazaisowurtzitane-containing compositions which comprise hexanitrohexaazaisowurtzitane, polynitropolyacetylhexaazaisowurtzitanes and one or more of oxaisowurtzitane compounds represented by the specified formulae. The explosive compositions wh... | 03/27/2001 |
| 6066213 | Minimum smoke propellant composition A high-performance minimum smoke propellant composition comprising a high energy plasticizer blend and a lead salt which reduces the amount of smoke produced and enables the composition to sustain combustion at low pressure. The propellant is useful for v... | 05/23/2000 |
| 6042663 | Propellant compositions with nitrocellulose and a polymer A rubbery polymer is produced in situ in a cast double base propellant composition.... | 03/28/2000 |
| 6024810 | Castable double base solid rocket propellant containing ballistic modifier pasted in an inert polymer Castable propellant formulations are provided including reduced toxicity ballistic modifiers that do not adversely increase the sensitivity of the propellant to shock detonation. Failure to adequately control the propellant burn rate often results in unac... | 02/15/2000 |
| 5798481 | High energy TNAZ, nitrocellulose gun propellant A high energy propellant, comprising at least one oxidizer; a nitrocellul binder; an ethyl centralite stabilizer; a plasticizer; and an oxetane thermoplastic elastomer energetic binder. The oxetane thermoplastic elastomer energetic binder comprises from ... | 08/25/1998 |
| 5695216 | Airbag device and propellant for airbags An airbag device including a gas-emitting substance chamber having an opening. A gas-emitting substance is provided in the gas-emitting substance chamber including between about seventy-six to about eighty percent by weight of a high energy explosive and ... | 12/09/1997 |
| 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 |
| 5639987 | Compositions modifying ballistic properties and propellants containing such compositions The present invention lies in the field of compositions which modify the ballistic properties of solid propellants and in that of the double-base solid propellants containing these compositions. Various lead compounds are known to be effective in this fun... | 06/17/1997 |
| 5540794 | Energetic binder and thermoplastic elastomer-based low vulnerability ammunition gun propellants with improved mechanical properties An energetic binder system useful for making TPE-LOVA propellants and energetic composites comprises at least one thermoplastic elastomer, at least one plasticizer, and nitrocellulose.... | 07/30/1996 |
| 5529649 | Insensitive high performance explosive compositions The use of 4,10-dinitro-2,6,8,12-tetraoxa-4,10-diazatetrocyclo[5.5.0.05,9 03,11 ]-dodecane as the major explosive ingredient in compositions useful in high performance, low sensitivity explosive applications is disclosed.... | 06/25/1996 |
| 5520756 | Stable plasticizers for nitrocellulose nitroguanidine-type compositions Stable plasticizer system and corresponding nitrocellulose/nitroguanidine nitramine-type LOVA propellant compositions utilizing such system.... | 05/28/1996 |
| 5500060 | Energetic plasticized propellant An energetic composition comprising the following components in the following relative proportions: Component A: from 5% to 25% by weight of a polymeric binder; Component B: from 65% to 90% by weight of a highly energetic filler comprising at least one heteroa... | 03/19/1996 |
| 5482581 | Low vulnerability propellant plasticizers This invention record describes the production of a low vulnerability propellant (LOVA) ingredients utilizing mixtures of alkyl nitratoethyl nitramines (alkyl NENAs) and/or bis (2-nitroxyethyl) nitramine (DINA) with nitrocellulose. Described compositions ... | 01/09/1996 |
| 5468311 | Binder system for crosslinked double base propellant An improved crosslinked double base propellant composition is provided which has an improved binder system. The binder system is based on nitrocellulose (NC) having an intrinsic viscosity of from about 0.4 dl./gram to about 1.5 dl./gram and a polyester po... | 11/21/1995 |
| 5387295 | Stabilizers for cross-linked composite modified double base propellants Stabilizers for isocyanate cross-linked composite modified double base propellants are provided. These stabilizers have good solubilities in the propellant matrices and have good stabilization properties. The stabilizers of this invention are compounds of... | 02/07/1995 |
| 5385619 | Nitrocellulose propellant composition Nitrocellulose propellant compositions are provided comprising as ballistic modifier a copper II complex of a C6 -C12 chain aliphatic carboxylic acid, advantageously in conjunction with one or more conventional ballistic modifiers fo... | 01/31/1995 |
| 5372664 | Castable double base propellant containing ultra fine carbon fiber as a ballistic modifier Propellant formulations are provided which include non-toxic burn rate modifiers. In order to produce a usable propellant formulation, it is necessary to control the burn rate of the propellant. Failure to adequately control the propellant burn rate often... | 12/13/1994 |
| 5273313 | Gas-generating module for an airbag utilized in motor vehicles A gas-generating module for an airbag utilized in motor vehicles, which includes a gas-generating composition and an igniting composition arranged within a container. The gas-generating composition is presently in the shape of a foil-like layer or coating... | 12/28/1993 |
| 5266242 | Method and apparatus to prepare a tribasic propellat charge powder The invention relates to a method of and an apparatus for producing tribasic propellant charge powders. An operationally safe and continuous course of the production process is obtained according to the invention by first preparing a fully gelatinized dib... | 11/30/1993 |
| 5254186 | Nitrocellulose propellant composition Nitrocellulose propellant compositions are provided comprising zinc oxide as ballistic modifier, advantageously in conjunction with one or more conventional ballistic modifiers for example, lead or copper compounds such as lead stearate, lead acetophthala... | 10/19/1993 |
| 5218166 | Modified nitrocellulose based propellant composition The present invention relates to modified propellant compositions of either single or multiple based type which are obtained by resolvating a conventional, previously solvated nitrocellulose-based granular propellant with a solvent such as methyl ethyl ke... | 06/08/1993 |
| 5192379 | Densifying and stabilizing ingredient Lead fluoride acts as a densifying and stabilizing ingredient for a propent.... | 03/09/1993 |
| 5187320 | Fibrillatable PTFE in plastic-bonded explosives An improved plastic-bonded explosive composition which includes from 2 wt. % up to 30 wt. % of a nitrocellulose binder and comprises incorporating into the composition during preparation from about 0.0025 wt. % up to a value less than 2 wt. % of fibrillat... | 02/16/1993 |
| 5174837 | Temperature-resistant, fragmentable propellent charges The present invention relates to the field of propellent charges for small and medium calibre arms. The invention relates to a process for the manufacture of fragmentable propellent charges, which consists in a first stage in coating powder particles with... | 12/29/1992 |