US PATENT SUBCLASS 422 / 180
.~.~.~ Unitary (i.e., nonparticulate) contact bed (e.g., monolithic catalyst bed, etc.)

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

129  DF  CHEMICAL REACTOR {28}
168  DF  .~ Waste gas purifier {5}
177  DF  .~.~ Including solid, extended surface, fluid contact reaction means; e.g., inert Raschig rings, particulate absorbent, particulate or monolithic catalyst, etc. {4}
180.~.~.~ Unitary (i.e., nonparticulate) contact bed (e.g., monolithic catalyst bed, etc.)

DEFINITION

Classification: 422/180

Unitary (i.e., nonparticulate) contact bed (e.g., monolithic catalyst bed, etc.):

(under subclass 177) Apparatus wherein the extended surface contact means is in the form of a unitary (i.e., nonparticulate) contact bed; e.g., a monolithic honeycomb coated with a catalyst, catalyst-coated metallic screen, etc.