US PATENT SUBCLASS 435 / 40
.~.~.~.~ Using multifield media

Current as of: June, 1999
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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

4  DF  MEASURING OR TESTING PROCESS INVOLVING ENZYMES OR MICRO-ORGANISMS; COMPOSITION OR TEST STRIP THEREFORE; PROCESSES OF FORMING SUCH COMPOSITION OR TEST STRIP {15}
29  DF  .~ Involving viable micro-organism {4}
34  DF  .~.~ Determining presence or kind of micro-organism; use of selective media {5}
39  DF  .~.~.~ Quantitative determination {1}
40.~.~.~.~ Using multifield media

DEFINITION

Classification: 435/40

Using multifield media:

(under subclass 39) Subject matter which uses a test substrate that has more than one test zone or area.

(1) Note. Zones or areas can contain different concentrations of the same antibiotic or different antibiotic and are generally separated by an identifiable boundary.