US PATENT SUBCLASS 53 / 431
.~.~ Liquid treating


Current as of: June, 1999
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53 /   HD   PACKAGE MAKING

396  DF  METHODS {22}
428  DF  .~ With contents treating {7}
431.~.~ Liquid treating


DEFINITION

Classification: 53/431

Liquid treating:

(under subclass 428) Methods for treating contents material with a liquid substance.

SEE OR SEARCH CLASS

134, Cleaning and Liquid Contact With Solids,

1+, for processes for treating with a liquid.

422, Chemical Apparatus and Process Disinfecting, Deodorizing, Preserving, or Sterilizing,

33, for methods which may preserve, disinfect, or sterilize a contents material by treatment with a liquid.