US PATENT SUBCLASS 73 / 61.53
.~.~.~.~ Column detail

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

53.01  DF  LIQUID ANALYSIS OR ANALYSIS OF THE SUSPENSION OF SOLIDS IN A LIQUID {15}
61.41  DF  .~ Content or effect of a constituent of a liquid mixture {8}
61.43  DF  .~.~ Liquid constituent of a liquid mixture {9}
61.52  DF  .~.~.~ Chromatography {6}
61.53.~.~.~.~ Column detail

DEFINITION

Classification: 73/61.53

Column detail:

(under subclass 61.52) Subject matter wherein significance is attributed to a tubular structure which is either packed with a material having a known absorption characteristic or is coated with a liquid of a high molecular weight and having known properties.

SEE OR SEARCH THIS CLASS, SUBCLASS:

23.39, for column detail of gas chromatography in gas analysis.