U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"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

Newsletter  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.

 

Class 149/19.8 - Nitrocellulose


Subclass of Class 149 - Explosive and thermic compositions or charges
Definition: Products wherein the polysaccharide resin is nitrocellulose.
No. of patents: 111
Last issue date: 01/04/2011


1      
NumberTitleIssue Date
7862668Single-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
7188567Gas 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
6982014Explosive 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
6962633Amine 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
6913661Ammonium 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
6723190ESD 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
6645325Fast-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
6607617Double-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
6599379Low-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
6591752Ignition 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
6425966Energetic 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
6368431Air 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
6322648Pyrotechnic 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
6309484Propellent 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
6241833High 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
6228192Double 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
6206988Hexanitrohexaazaisowurtzitane 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
6066213Minimum 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
6042663Propellant compositions with nitrocellulose and a polymer
A rubbery polymer is produced in situ in a cast double base propellant composition....
03/28/2000
6024810Castable 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
5798481High 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
5695216Airbag 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
5652409Bismuth 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
5639987Compositions 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
5540794Energetic 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
5529649Insensitive 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
5520756Stable plasticizers for nitrocellulose nitroguanidine-type compositions
Stable plasticizer system and corresponding nitrocellulose/nitroguanidine nitramine-type LOVA propellant compositions utilizing such system....
05/28/1996
5500060Energetic 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
5482581Low 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
5468311Binder 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
5387295Stabilizers 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
5385619Nitrocellulose 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
5372664Castable 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
5273313Gas-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
5266242Method 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
5254186Nitrocellulose 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
5218166Modified 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
5192379Densifying and stabilizing ingredient
Lead fluoride acts as a densifying and stabilizing ingredient for a propent....
03/09/1993
5187320Fibrillatable 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
5174837Temperature-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
1      
 
Sign InRegister
Username  
Password   
forgot password?