Chemistry: analytical and immunological testing – Including sample preparation – Gaseous sample or with change of physical state
Reexamination Certificate
2011-01-11
2011-01-11
Wallenhorst, Maureen M (Department: 1797)
Chemistry: analytical and immunological testing
Including sample preparation
Gaseous sample or with change of physical state
C436S148000, C436S174000, C436S175000, C436S177000, C436S178000, C422S083000, C422S088000, C422S093000
Reexamination Certificate
active
07867779
ABSTRACT:
A system and method for measuring and analyzing particles within a gas feed stream. In one aspect, the system includes a particle counter and a particle capture filter that are arranged in parallel. In another aspect, the system includes a purifying device to remove trace molecular impurities from a gas feed stream to reduce the presence of impurities.
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McDermott Wayne Thomas
Ockovic Richard Carl
Roth Dean Van-John
Air Products and Chemicals Inc.
Morris-Oskanian Rosaleen P.
Wallenhorst Maureen M
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