US PATENT SUBCLASS 426 / 398
.~.~.~ Container wall has plural layers or package contains interior nonintegral solid inedible 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}
398.~.~.~ Container wall has plural layers or package contains interior nonintegral solid inedible material

DEFINITION

Classification: 426/398

(under subclass 397) Processes involving a rigid liquid impermeable container wall, which is (1) either lined or coated with a nonedible either partially or completely; or (2) contains a nonedible in its interior which is other than a part of the container wall.

(1) Note. The additional layer must be different in chemical structure than the container wall and it can be added after the food is enclosed in the container, e.g., sealing by coating of an irregularity in the container wall, etc..

SEE OR SEARCH THIS CLASS, SUBCLASS:

403, for processes involving sealing of a vent hole in a rigid liquid impermeable container.