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Class 149/19.7 - Polysaccharide or derivative thereof


Subclass of Class 149 - Explosive and thermic compositions or charges
Definition: Products wherein the resin is a polymerized polysaccharide
No. of patents: 49
Last issue date: 04/03/2012


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NumberTitleIssue Date
8147627Ignition means for propellant powders
Ignition means for propellant powders include at least one oxidation means, at least one reduction means and at least one binder, and are free from primary explosives. ...
04/03/2012
7503987Gas generating agent, process for production thereof, and gas generator for air bags
There is provided a tubular molded article of a gas generating agent consisting of a non-azide-based composition. Both ends of the molded article are squashed. A gas-generating-agent producing process is to obtain a gas generating agent which is molded into the form...
03/17/2009
7335270Gas generating composition and gas generator
A stable, low-temperature ignition gas generating composition has a heating starting temperature of 170 to 220° C. The gas generating composition includes ammonium perchlorate, a chlorine scavenger, and microcrystalline carbon powder. The chlorine scavenger is sodi...
02/26/2008
7134689Inflator
Combustion residues of a gas generating agent remain in an inflator due to composition of the gas generating agent, temperature difference between combustion gas and pressurized gas isolated by a rupturable plate, collision of the combustion gas against a wall surfa...
11/14/2006
7094296Gas generants containing silicone fuels
Gas generating compositions are provided containing silicone, a metal or nonmetal perchlorate oxidizer, and a coolant selected from the group including metal carbonates, metal bicarbonates, metal oxalates, and metal hydroxides. These compositions exhibit rapid and s...
08/22/2006
6984275Reduced erosion additive for a propelling charge
The present invention comprises an additive to a propelling charge that greatly reduces barrel erosion when used in a gun system compared to the current additives noted above. The invention provides both a high nitrogen to carbon monoxide ratio in the combustion pro...
01/10/2006
6881283Low-sensitivity explosive compositions
An explosive composition is provided that includes 85 to about 96 weight percent nitramine, based on the total composition weight, and about 4 to 15 weight percent plasticized binder. At least 80 weight percent of the total composition weight, and more preferably 85...
04/19/2005
6875295Cool burning gas generating material for a vehicle occupant protection apparatus
A gas generating material (140) for use in a vehicle occupant protection apparatus (10) comprises about 5% to about 20% by weight of the gas generating material, of a binder, 0 to about 50%, by weight of the gas generating material, of an energetic fue...
04/05/2005
6811626Gas-generating compositions
A gas-generating composition is provided resistant to temperature changes between −40° C. and 100° C., repeated 200 times. The gas-generating composition includes a nitrogen compound stabilizer having nitrogen atom with an unpaired electron. The gas-generating c...
11/02/2004
6783615Insensitive explosives for high speed loading applications
An insensitive high energy explosive is disclosed which can be processed on high speed loading equipment without significant buildup of explosive material on the tooling of the high speed loading equipment. The insensitive high energy explosive comprises (a) from ab...
08/31/2004
6689236Binder matrix for gas generants and related compositions and methods
A binder matrix suitable for use in a gas generant composition, a gas generant composition including the binder matrix, and a related method of igniting such a gas generant composition are provided. The binder matrix includes a non-energetic binder materi...
02/10/2004
6562160Airbag propellant
The present invention is a propellant used to inflate an airbag in vehicle safety systems comprising from about 70 weight percent to about 82 weight percent Cyclotrimethylenetrinitramine (RDX), from about 10 weight percent to about 15 weight percent of a ...
05/13/2003
6558487Smoke generating compositions and methods of making the same
A smoke generating composition including at least one smoke generating material and an effective amount of a polymerized monosaccharide or disaccharide as a binder. The polymerized monosaccharide or disaccharide serves the dual purpose of being both a bin...
05/06/2003
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
6315930Method for making a propellant having a relatively low burn rate exponent and high gas yield for use in a vehicle inflator
A method for making a propellant composition that results in a desirable gas output when combusted. The propellant can be part of an inflator used in a vehicle for inflating an air bag. The propellant has a relatively low burn rate exponent of no greater ...
11/13/2001
6235132Gas generating compositions
A pyrotechnic material comprising at least one fuel and an oxidizer of ceric ammonium nitrate or a mixture of ceric ammonium nitrate and one or more other oxidizers, and, optionally, sub-micron (i.e., having an average particle size of less than about 1 Î...
05/22/2001
6214137High performance explosive containing CL-20
High performance explosive compositions and ordnances using the explosive compositions as an explosive ingredient for high performance, low sensitivity explosive applications are disclosed. The explosive formulation includes CL-20 as an explosive ingredie...
04/10/2001
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
6123790Nonazide ammonium nitrate based gas generant compositions that burn at ambient pressure
A nonazide gas generant that may be used in an inflation device, such as a vehicle passenger restraint system, comprising a hydrated or anhydrous mixture of nonazide fuel, an oxidizer and a quantity of copper phthalocyanine, otherwise known as Monarch Blu...
09/26/2000
6120058Air bag inflator
An apparatus (10) for inflating an air bag includes a container (12) having a chamber (16) for holding an inert gas and an oxidizer gas under pressure. A body (20) of a combustible material is disposed in the container (12). The body (20) of combustible m...
09/19/2000
5756928Spontaneously-firing explosive composition
A gas generator for an air bag is provided which contains a spontaneously-firing explosive composition in which at least one of a squib, igniting agent and a gas generant is contained in a casing formed of a light alloy material, the spontaneously-firing ...
05/26/1998
5734123Extrudable gas-generating compositions
A gas-generating composition for inflating inflation devices such as air bags, life rafts, slide chutes, and the like which comprises an oxidizer component, cellulose acetate and plasticizer. The cellulose acetate and plasticizer provides a binder system ...
03/31/1998
5717158High energy melt cast explosives
A high energy propellant comprising 1,3,3-Trinitroazetidine or TNAZ, admi with up to about five percent of cellulose acetate butyrate or CAB by adding the CAB at a temperature slightly above the melting point of the TNAZ. A preferred amount of CAB is fro...
02/10/1998
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
5654520Delay charge and element, and detonator containing such a charge
A pyrotechnic delay charge for providing delays in the millisecond and second ranges, comprising the components bismuth oxide as an oxidation agent and silicon as a fuel. The invention also relates to a pyrotechnic delay element having an enclosure contai...
08/05/1997
5608182Fuel gas generator for airbreathing propulsion systems
A gas generator propellant formulation suitable for use in an air turbo ret (ATR) which employs an air breathing system that uses fuel gases produced by a gas generator propellant to operate the engine's turbine is provided which can also be used with ot...
03/04/1997
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
5507891Propellant composition for automotive safety applications
Clean burning, non-self extinguishing propellant compositions for use in hybrid automotive air bag systems are disclosed. The propellant compositions are based on a mixture of a crystalline nitramine propellant, an energetic or non-energetic binder and on...
04/16/1996
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
5468312Ignition-sensitive low-vulnerability propellent powder
The present invention relates to low-vulnerability propellent powders for weapons. The powders according to the invention consist of at least one organic nitro compound and an organic binder and are characterized in that they contain at least one additive...
11/21/1995
5460671Ignition compositions for inflator gas generators
Autoigniting compositions and processes for a gas generator of a vehicle occupant restraint system result in rapid autoignition at relatively low temperatures from approximately 135° C. to 210° C., thereby allowing the gas generator to operate at lower ...
10/24/1995
5403035Preparing air bag vehicle restraint device having cellulose containing sheet propellant
The present invention provides a cellulose-based propellant for generating gas to inflate an air bag in a vehicle occupant restraint system. In one embodiment, the propellant includes cellulose in combination with an alkali nitrate oxidizer, such a potass...
04/04/1995
5178696Gas generating composition for automobile air bag
Disclosed in this invention is a gas generating composition for air bags for automobiles, comprising sodium azide, aluminum sulfate, one of silicon dioxide, alumina and aluminum silicate, and preferably a lubricant and/or a binder. This composition has th...
01/12/1993
5125684Extrudable gas generating propellants, method and apparatus
A stable extrudable non-azide crash bag propellant composition for generating high quality nitrogen gas and a low temperature process for producing the same from an extrudable mass containing an effective amount of a cellulose-based binder....
06/30/1992
5024708Castable and/or pressable gas generating propellants
Gas generating propellants with flame temperatures below 1400° K. (isobaric) based on duroplastic and/or thermoplastic binders containing up to 80% by weight of triaminoguanidine nitrate as the chief gas generating component which can be cast or pressed ...
06/18/1991
4997496Explosive and propellant composition and method
An explosive and propellant composition is obtained by admixing finely divided particles of ascorbic acid and a nitrate-containing oxidation agent, such as potassium nitrate. Admixing can be carried out in the dry state, at room temperature. The compositi...
03/05/1991
4842659Insensitive high energy explosive compositions
A high energy explosive composition containing 80 to 95 percent HMX having low susceptibility to sympathetic detonation. The composition also contains between 2.9 to 10 percent cellulose acetate butyrate, 10 to 17.1 percent of 1:1 mixture of bis 2,2-dinit...
06/27/1989
4670068Polyfunctional isocyanate crosslinking agents for propellant binders
A process for preparation of polyfunctional isocyanates having an NCO functionality of at least 4 is provided. The process is conducted at temperatures below 50° C. Polyols having a hydroxyl functionality of at least 4 are reacted with diisocyanates to p...
06/02/1987
4570540LOVA Type black powder propellant surrogate
Low explosive compositions which are more energetic than black powder while at the same time having LOVA characteristics are provided. These compositions contain about 45% to about 66% by weight of a metallic nitrate, the balance being cellulose acetate....
02/18/1986
4568399Propellant compositions
An azidonitrate energetic composition i.e. cellulose azidonitrate and a pess of making the same from nitrocellulose and sodium or lithium azide....
02/04/1986
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