US PATENT SUBCLASS 426 / 408
.~.~.~.~ By heat exchange medium other than water per se, air, carbon dioxide, or other inert gas


Current as of: June, 1999
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426 /   HD   FOOD OR EDIBLE MATERIAL: PROCESSES, COMPOSITIONS, AND PRODUCTS

665  DF  PROCESSES {25}
392  DF  .~ Packaging or treatment of packaged product {6}
397  DF  .~.~ In rigid liquid impermeable container, e.g., can, bottle, etc. {7}
407  DF  .~.~.~ Heat treatment of package, e.g., pasteurization, sterilization, etc. {2}
408.~.~.~.~ By heat exchange medium other than water per se, air, carbon dioxide, or other inert gas


DEFINITION

Classification: 426/408

(under subclass 407) Processes involving heat transfer to a filled sealed container through the use of materials which are other than water, per se, in any of its physical forms, nitrogen, CO2, air, the inert gases, or mixtures solely composed of any of the above.