Global Patent Index - EP 1216977 A3

EP 1216977 A3 2002-09-11 - Hydrocarbon binder containing pyrotechnic gas-generating compositions and method for continuous manufacturing

Title (en)

Hydrocarbon binder containing pyrotechnic gas-generating compositions and method for continuous manufacturing

Title (de)

Kohlenwasserstoffbindemittel enthaltende pyrotechnische gaserzeugende Zusammensetzungen und Verfahren zur kontinuierlichen Herstellung

Title (fr)

Compositions pyrotechniques génératrices de gaz à liant hydrocarboné et procédé de fabrication en continu

Publication

EP 1216977 A3 (FR)

Application

EP 01403255 A

Priority

FR 0016879 A

Abstract (en)

[origin: US2002079031A1] The invention relates to gas-generating pyrotechnic compositions and to a continuous process which allows them to be prepared. Such compositions comprise a hydrocarbonaceous binder, a nitrogenous organic compound and an oxidizing filler comprising ammonium perchlorate and a chlorine scavenger. The binder is composed either of the combination of a polyester gum and of a polyester resin or of the combination of an acrylic gum and of a plasticizer for this gum. The solids (A) and the liquids (B) are introduced into the twin-screw mixer-extruder (1) via two different feed openings. The constituents are then conveyed and kneaded in the compartment (2), so as to obtain a homogeneous paste. This paste is subsequently degassed in the compartment (3) and then extruded in the form of rods (8). These rods are cut up into charges (9).

IPC 1-7 (main, further and additional classification)

C06D 5/06; C06B 21/00; C06B 29/22

IPC 8 full level (invention and additional information)

B60R 21/26 (2006.01); B01J 7/00 (2006.01); C06B 21/00 (2006.01); C06B 23/00 (2006.01); C06B 23/02 (2006.01); C06B 25/00 (2006.01); C06B 25/34 (2006.01); C06B 29/22 (2006.01); C06B 31/08 (2006.01); C06B 31/12 (2006.01); C06B 33/00 (2006.01); C06D 5/00 (2006.01); C06D 5/06 (2006.01)

CPC (invention and additional information)

C06D 5/06 (2013.01); C06B 21/0075 (2013.01); C06B 29/22 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

EP 1216977 A2 20020626; EP 1216977 A3 20020911; EP 1216977 B1 20050727; AT 300508 T 20050815; BR 0106250 A 20020813; BR 0106250 B1 20101116; CA 2364135 A1 20020622; CA 2364135 C 20090203; DE 60112231 D1 20050901; DE 60112231 T2 20060524; FR 2818636 A1 20020628; FR 2818636 B1 20030228; JP 2002255679 A 20020911; JP 3825316 B2 20060927; KR 100446267 B1 20040901; KR 20020051850 A 20020629; MX PA01012981 A 20021021; US 2002079031 A1 20020627; US 6824626 B2 20041130

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