Explosive and thermic compositions or charges – Structure or arrangement of component or product – Solid particles dispersed in solid solution or matrix
Reexamination Certificate
2011-01-04
2011-01-04
Felton, Aileen (Department: 1793)
Explosive and thermic compositions or charges
Structure or arrangement of component or product
Solid particles dispersed in solid solution or matrix
C149S049000
Reexamination Certificate
active
07862668
ABSTRACT:
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%) nitrogen; an energetic plasticizer component comprising from about 5.0 percent (5.0%) to about 35 percent (35.0%) of the gun propellant by weight, and comprising N-Butyl-2Nitratoethyl Nitramine (BuNena); a burning rate moderator and stabilizer component comprising from about one-half of one percent (0.5%) to about five percent (5.0%) of the gun propellant by weight, and comprising Sym-Diethyl Diphenyl Urea, N,N′-Diethyl Carbanilide (Ethyl Centralite, Centralite I); and a stabilizer component comprising about one-half of one percent (0.5%) to about five percent (5.0) of the gun propellant by weight, and comprising Acetyl triethyl citrate (ATEC). Additional components comprising less than 5% of the gun propellant may optionally include Graphite, carbon black, and candelilla wax.
REFERENCES:
patent: 5507893 (1996-04-01), Mullay et al.
patent: 5602361 (1997-02-01), Hamilton et al.
patent: 6228192 (2001-05-01), Neidert et al.
patent: 6607618 (2003-08-01), Manning et al.
Hildebrandt Floyd J.
Hildebrandt, legal representative Scott
Manning Thelma G.
Simmons Ronald L.
Simmons, legal representative Carol
Felton Aileen
Goldfine Henry S.
The United States of America as represented by the Secretary of
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