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Class 149/19.93 - Prior treatment of dispersed phase


Subclass of Class 149 - Explosive and thermic compositions or charges
Definition: Processes wherein the dispersed particles are treated prior
No. of patents: 13
Last issue date: 05/06/2003


NumberTitleIssue Date
6558488Method of making pourable plastic-bound explosive charges or rocket propellant
The invention relates to a method of making pourable, plastic-bound explosive charges or rocket propellants, to which a metal powder having essentially spherically shaped grains is added. To avoid an increase in the viscosity of the explosive charge or the roc...
05/06/2003
5993578Method of drying pyrotechnic compositions
Disclosed is an improved method of drying a slurry of adhesive particles and counter-solvent such as a slurry of pyrotechnic particles and counter-solvent produced by the precipitation method, wherein the counter-solvent is evaporated from the slurry for ...
11/30/1999
5398612Nitrate ester stabilizing layer for propellant grain
Compositions and methods for increasing the storage life of a propellant grain by reducing the rate of decomposition of its nitrate ester components. A nitrate ester stabilizer is placed in a layer adjacent to a nonburning surface of the propellant grain....
03/21/1995
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
5000803Freeze blending of reactive liquids and solids
Chemically reactive liquids such as catalyzed monomers and prepolymers are mixed with finely divided solids to form a homogeneous blend by chilling the liquid to a temperature below its solidification point, forming it into finely divided solidly frozen p...
03/19/1991
4376083Process for the preparation of aluminum-containing high-energy explosive compositions
A castable high-energy explosive composition comprising trinitrotoluene (TNT) and crystalline explosives of the RDX or HMX type as well as aluminum powder, and, optionally, flegmatizing agents and stablizers consisting of wax, lecithin and nitrocellulose ...
03/08/1983
4343663Resin-bonded water-bearing explosive
Self-supporting water-bearing explosive products, e.g., for use as primers and in blasting and seismic charges, contain discrete cells of an aqueous solution of an inorganic oxidizing salt and/or of an amine salt encapsulated by a crosslinked (thermoset) ...
08/10/1982
4315830Method for altering the characteristics of polymers
A method for altering the characteristics of liquid telechelic polymers by means of reducing the reactive group content and adjusting the viscosity of a given liquid telechelic polymer. This is accomplished by means of a two stage process which comprises ...
02/16/1982
4214929Liquid monopropellants containing dissolved combustion modifiers
At least one combustion modifier is incorporated in liquid propellants by ssolving the modifier in at least one solvent such as alkoxypolyethylene glycol ether or a bis(alkoxypolyethylene glycol) formal to form a solution and mixing the resulting solution...
07/29/1980
4070212High performance fast burning solid propellant
1. A solid composite propellant consisting of 7% to 15% of a carboxyl-terminated butadiene polymer binder, 66% to 82% of ammonium perchlorate, greater than 0% to 18% of aluminum and greater than 0% to 8% of n-butyl ferrocene as a burning rate catalyst, th...
01/24/1978
4038115Composite modified double-base propellant with filler bonding agent
Mechanical properties of composite modified double-base propellant are improved by coating fillers for the propellant with a crosslinked, binder insoluble coating having reactive surface isocyanate groups. The reactive isocyanate groups become chemically ...
07/26/1977
4016018Method of preparing priming explosives
A priming explosive is produced by mixing an aqueous solution of a finely divided explosive substance such as in colloidal form with a plastic polymeric carrier and a plasticizer whereby the explosive substance is rendered mechanically workable and has li...
04/05/1977
4000025Incorporating ballistic modifiers in slurry cast double base containing compositions
Ballistic modifiers of up to one micron in size are slurried and mixed with high impulse propellant slurry in order to produce a high impulse propellant having a plateau or mesa burning characteristic....
12/28/1976
 
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