US PATENT SUBCLASS 95 / 9
.~.~ pH sensed

Current as of: June, 1999
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95 /   HD   GAS SEPARATION: PROCESSES

1  DF  WITH CONTROL RESPONSIVE TO SENSED CONDITION {6}
8  DF  .~ Concentration sensed {5}
9.~.~ pH sensed

DEFINITION

Classification: 95/9

pH sensed:

(under subclass 8) Process in which pH or a change therein is detected and is used to control some aspect of the process.