US PATENT SUBCLASS 205 / 778
.~.~ And using semipermeable membrane

Current as of: June, 1999
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205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

775  DF  ELECTROLYTIC ANALYSIS OR TESTING (PROCESS AND ELECTROLYTE COMPOSITION) {19}
777.5  DF  .~ Involving enzyme or micro-organism {1}
778.~.~ And using semipermeable membrane

DEFINITION

Classification: 205/778

And using semipermeable membrane:

(under subclass 777.5) Subject matter in which a semipermeable solid barrier or diaphragm is utilized, often as a support for an enzyme.

SEE OR SEARCH THIS CLASS, SUBCLASS:

782.5+, for electrolytic analysis or testing for an oxygen or oxygen containing compound using a semipermeable membrane, but not involving an enzyme or micro-organism.

793, for electrolytic analysis or testing using a semipermeable membrane, in general, but not involving an enzyme or micro-organism.

SEE OR SEARCH CLASS

204, Chemistry: Electrical and Wave Energy,

415, for electrolytic apparatus for analysis and testing using a selectively permeable membrane.