US PATENT SUBCLASS 422 / 312
.~ Tube element containing extended surface contact reaction means (e.g., a tube internally coated or packed with a catalyst, etc.)

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

310  DF  ELEMENTS OR ADJUNCTS {2}
312.~ Tube element containing extended surface contact reaction means (e.g., a tube internally coated or packed with a catalyst, etc.)

DEFINITION

Classification: 422/312

Tube element containing extended surface contact reaction means (e.g., a tube internally coated or packed with a catalyst, etc.):

(under subclass 310) Apparatus comprising a tube element containing solid extended surface contact means.

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