US PATENT SUBCLASS 426 / 403
.~.~.~ Including heating of vented container containing food material

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}
403.~.~.~ Including heating of vented container containing food material

DEFINITION

Classification: 426/403

(under subclass 397) Processes involving the the heating of food in either a (1) specially designed container which vents outwardly when a positive pressure is attained in the container with the application of heat or (2) container having a restricted opening which is less than the normal opening for the introduction of the food material into the container so that contained gases can be removed in the heating process through this opening and the opening can be subsequently sealed.

(1) Note. Excluded herefrom are processes of piercing a food package having no vent holes to relieve pressure build up therein.

SEE OR SEARCH THIS CLASS, SUBCLASS:

395, for processes of packaging food in a package having structure which cooperates with a food generated gas, e.g., roasted coffee packages, etc..