Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing gas sample
Reexamination Certificate
2007-04-10
2007-04-10
Sines, Brian (Department: 1743)
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing gas sample
C422S083000, C422S094000, C422S105000, C422S105000, C422S105000, C436S043000, C436S147000, C436S119000, C436S120000, C436S121000, C436S123000, C436S155000, C436S159000, C073S001010, C073S001020, C073S023200, C073S023310
Reexamination Certificate
active
10669323
ABSTRACT:
A device for detecting sulfuryl fluoride, in which the gas specimen to be examined is subjected to pyrolysis with ensuing detection of a pyrolysis product, is to be improved for the sake of achieving a mobile, economical structure. To attain this object, in a preliminary tube (1) for pyrolysis, there is a chemical layer (5) of pyrophoric iron, and as an indicator system for the pyrolysis product, a test tube (2) for hydrogen fluoride is used.
REFERENCES:
patent: 5000920 (1991-03-01), Heckmann et al.
patent: 0 281 938 (1988-09-01), None
Bohm Holger
Guga Silke
Mohrmann Andreas
Runge Bettina
Schulten Armin
Dräger Safety AG & Co. KGaA
Nixon & Vanderhye P.C.
Sines Brian
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