US PATENT SUBCLASS 436 / 520
.~.~ Red blood cell

Current as of: June, 1999
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436 /   HD   CHEMISTRY: ANALYTICAL AND IMMUNOLOGICAL TESTING

518  DF  INVOLVING AN INSOLUBLE CARRIER FOR IMMOBILIZING IMMUNOCHEMICALS {4}
519  DF  .~ Carrier is a biological cell or cell fragment {1}
520.~.~ Red blood cell {2}
521  DF  .~.~.~> Fixation or stabilization of red blood cells
522  DF  .~.~.~> Lysis of red blood cell membrane

DEFINITION

Classification: 436/520

Red blood cell:

(under subclass 519) Subject matter in which the carrier is a red blood cell.

(1) Note. Included herein are treated red blood cells and fragments of red blood cells including stroma carrying heterophile antigens or various antigenic materials including antibodies.

(2) Note. This subclass excludes Rh membrane antigens and immunohematological testing which is provided for in Class 435, subclasses 7.1+.