US PATENT SUBCLASS 436 / 167
.~ Including gas absorption in liquid or solid

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


436 /   HD   CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING

164  DF  OPTICAL RESULT {6}
167.~ Including gas absorption in liquid or solid {1}
168  DF  .~.~> Liquid sorbent

DEFINITION

Classification: 436/167

Including gas absorption in liquid or solid:

(under subclass 164) Subject matter including absorption or adsorption of gaseous materials by a liquid or solid media which is in turn optically examined.

SEE OR SEARCH THIS CLASS, SUBCLASS:

161, wherein chromatography is utilized as a step in an analysis without the requirement that the basis for analysis be an optical result in the liquid or solid media. Also note the search class notes to Class 95, Gas Separation: Processes, therein.

SEE OR SEARCH CLASS

95, Gas Separation: Processes,

90+, for processes of gas separation using solid sorption, per se, and subclasses 149+ for processes of gas separation using liquid contacting, per se.