Explosive and thermic compositions or charges – Structure or arrangement of component or product – Solid particles dispersed in solid solution or matrix
Reexamination Certificate
2006-01-03
2006-01-03
Felton, Aileen (Department: 3641)
Explosive and thermic compositions or charges
Structure or arrangement of component or product
Solid particles dispersed in solid solution or matrix
Reexamination Certificate
active
06982014
ABSTRACT:
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 composition, followed by mixing, forming the resultant mixture into a desired shape, and then drying; and a pyrotechnic composition obtainable by using the method. This method can be used for simplifying a production process while maintaining the effect of a star and a lance used in a pyrotechnic composition, particularly in a firework composition.
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WPI Acc. No. 97-163554/199715 “Firework compsn.-contains nitro-cellulose, plasticiser, oxidiser, metal combustible, and additives, processed by extrusion to coaxial laminated elements with different colour layers” (Lyuberets Soyuz Res Prodn Assoc)—Abstract & RU, 2064914, A (Oct. 8, 1996).
Copy of the International Search Report dated Dec. 21, 1999.
Matsuzawa Toshio
Muneno Yoshiyuki
Felton Aileen
Nields & Lemack
Nippon Kayaku Kabushiki Kaisha
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