US PATENT SUBCLASS 204 / 641
.~.~ Absorbent strip (e.g., cellulose acetate, paper strip, etc.) type

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

Internet Version by PATENTEC © 1999      Terms of Use


204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

193  DF  APPARATUS {5}
600  DF  .~ Electrophoretic or electro-osmotic apparatus {11}
641.~.~ Absorbent strip (e.g., cellulose acetate, paper strip, etc.) type {1}
642  DF  .~.~.~> Movable strip

DEFINITION

Classification: 204/641

Absorbent strip (e.g., cellulose acetate, paper strip, etc.) type:

(under subclass 600) Apparatus having a sheet or strip of absorbent material (e.g., cellulose acetate, paper strip, etc.) on which a separation by the differential migration of ions or particles takes place.

(1) Note. Use of the term "paper" broadly in an apparatus of this type is considered proper for this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

546, for corresponding processes.