US PATENT SUBCLASS 435 / 7.92
.~.~.~ Heterogeneous or solid phase assay system (e.g., ELISA, etc.)

Current as of: June, 1999
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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

4  DF  MEASURING OR TESTING PROCESS INVOLVING ENZYMES OR MICRO-ORGANISMS; COMPOSITION OR TEST STRIP THEREFORE; PROCESSES OF FORMING SUCH COMPOSITION OR TEST STRIP {15}
7.1  DF  .~ Involving antigen-antibody binding, specific binding protein assay or specific ligand-receptor binding assay {9}
7.9  DF  .~.~ Assay in which an enzyme present is a label {2}
7.92.~.~.~ Heterogeneous or solid phase assay system (e.g., ELISA, etc.) {3}
7.93  DF  .~.~.~.~> Competitive assay
7.94  DF  .~.~.~.~> Sandwich assay
7.95  DF  .~.~.~.~> Indirect assay

DEFINITION

Classification: 435/7.92

Heterogeneous or solid phase assay system (e.g., ELISA, etc.):

(under subclass 7.9) Subject matter in which the assay system requires at least one separation step which allows differentiation of reacted from unreacted material or requires that at least one of the immunochemicals in the system be bound to an insoluble support material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

174+, for carrier-bound or immobilized enzymes.

188, for enzyme conjugates.

SEE OR SEARCH CLASS

436, Chemistry: Analytical and Immunological Testing,

518+, for immunoassays, not including Class 435 subject matter, wherein a solid phase carrier is utilized.