Explosive and thermic compositions or charges – Igniting compositions
Reexamination Certificate
2007-08-13
2011-11-15
McDonough, James (Department: 1731)
Explosive and thermic compositions or charges
Igniting compositions
C149S002000, C149S014000, C149S109400, C149S109600
Reexamination Certificate
active
08057611
ABSTRACT:
A multi-composition pyrotechnic material is provided for an inflatable restraint device (for example, an airbag system or pretensioner for a vehicle). The multi-composition pyrotechnic material can be a gas generant, a micro gas generant, or an igniter, for example. The multi-composition pyrotechnic material comprises a first pyrotechnic material that defines one or more void regions. A second pyrotechnic material, compositionally distinct from the first pyrotechnic material, is introduced into at least one of the void regions and forms a second region of the pyrotechnic materials. The second composition can be introduced to the void regions in the form of a slurry. Methods of forming such multi-composition pyrotechnic materials are also provided.
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Communication issued by the European Patent
Brisighella Dario
Hussey Brett
Autoliv ASP Inc.
Brown Sally J.
Harness Dickey & Pierce PLC
McDonough James
LandOfFree
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