US PATENT SUBCLASS 436 / 533
.~.~.~.~ Carrier is water suspendible particles (e.g., latex, etc.)

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}
528  DF  .~ Carrier is organic {3}
531  DF  .~.~ Carrier is synthetic resin {2}
532  DF  .~.~.~ Antigen or antibody attached to a carrier via bridging agent {1}
533.~.~.~.~ Carrier is water suspendible particles (e.g., latex, etc.)

DEFINITION

Classification: 436/533

Carrier is water suspendible particles (e.g., latex etc.):

(under subclass 532) Subject matter in which the carrier consists of colloidal particles of synthetic resin suspended or disclosed as suspended in an aqueous medium.

(1) Note. The bulk of patents classified herein are directed to polystyrene latex as the carrier.

SEE OR SEARCH CLASS

524, Synthetic Resins or Natural Rubbers, in particular

577+, and 800+ for a process of synthesis of a polystyrene latex.

525, Synthetic Resins or Natural Rubbers,

54.1+, for a process of after treatment of a polystyrene latex.