US PATENT SUBCLASS 422 / 39
.~ By sudden release of pressure

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}
39.~ By sudden release of pressure

DEFINITION

Classification: 422/39

By sudden release of pressure:

(under subclass 1) Process wherein the article or material is subjected to a high pressure which is suddenly released.

(1) Note. Most patents in this subclass are drawn to the destruction of micro- organisms; e.g., bacteria, etc.

SEE OR SEARCH THIS CLASS, SUBCLASS:

127, for apparatus for destroying organisms by the sudden release of high pressure.