Gas generant compositions

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...

Reexamination Certificate

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C149S109200

Reexamination Certificate

active

08084619

ABSTRACT:
A novel compound, used for example, as a gas generating fuel, is defined as a compound having the structural formula of R3—R1—R2, wherein R1 is a urea group, R2 is a tetrazolyl group with a C—N bond to the urea group, and R3 may be defined as a non-tetrazolyl, triazolyl, heterocyclic, heterocyclic amine, aliphatic, aliphatic amine, aryl, alkyl, hydrogen, or nitrogen group linked to the free nitrogen on the urea group. A method of making the compound is also provided. A gas generating composition12containing the novel compound as a fuel, and an oxidizer is also provided. The novel compound may be contained within a gas generant composition12,within a gas generator10. The gas generator10may be contained within a gas generating system such as an airbag inflator10or seat belt assembly150,or more broadly within a vehicle occupant protection system180.

REFERENCES:
patent: 7692024 (2010-04-01), Ganta et al.
patent: 7847102 (2010-12-01), Ganta et al.
Office Action U.S. Appl. No. 11/800,924, filed May 7, 2007, Mailed Mar. 5, 2010 (183).
Office Action U.S. Appl. No. 11/800,918, filed May 7, 2007, Mailed Sep. 21, 2010 (184).
Office Action U.S. Appl. No. 11/906,345, filed Oct. 1, 2007, Mailed Sep. 23, 2010(165).
Office Action U.S. Appl. No. 11/800,922, filed May 7, 2007, Mailed Sep. 22, 2010 (182).
Office Action U.S. Appl. No. 11/800,922, filed May 7, 2007, Mailed Jan. 14, 2011 (00182).

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