US PATENT SUBCLASS 422 / 28
.~ Using disinfecting or sterilizing substance

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

1  DF  PROCESS DISINFECTING, PRESERVING, DEODORIZING, OR STERILIZING {15}
28.~ Using disinfecting or sterilizing substance {9}
29  DF  .~.~> In situ generation of agent other than aldehyde or glycol
30  DF  .~.~> And removing the agent by chemical reaction or sorption
31  DF  .~.~> And recovering or reusing the agent
32  DF  .~.~> Treating bulk material
33  DF  .~.~> With positive pressure or vacuum
34  DF  .~.~> Using alkylene oxide
35  DF  .~.~> Using cyanide
36  DF  .~.~> Using aldehyde
37  DF  .~.~> Using halogen or halogen-containing compound

DEFINITION

Classification: 422/28

Using disinfecting or sterilizing substance:

(under subclass 1) Process wherein an article or material is treated with a substance to disinfect or sterilize by more than the mere effect of heat.

(1) Note. A treating substance used in a disinfecting or sterilizing process is considered to be a disinfecting or sterilizing agent unless its effect is disclosed to be merely that of heating.

SEE OR SEARCH CLASS

62, Refrigeration, particularly

78, and subclass 331 for processes and apparatus for preserving by refrigeration, including such steps or means combined with deodorizing, antisepticizing or germiciding the material which is subjected to refrigeration or providing a special atmosphere in a cooled space.