US PATENT SUBCLASS 426 / 323
.~ Chemical agent is impregnated in or coated on nonedible material

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

321  DF  INHIBITING CHEMICAL OR PHYSICAL CHANGE OF FOOD BY CONTACT WITH A CHANGE INHIBITING CHEMICAL AGENT OTHER THAN AN ANTIOXYGEN AGENT {9}
323.~ Chemical agent is impregnated in or coated on nonedible material

DEFINITION

Classification: 426/323

(under subclass 321) Processes involving a chemical agent which is either layered on, or impregnated into, an edible base.

SEE OR SEARCH THIS CLASS, SUBCLASS:

133, for an inedible feature associated with a preserving agent.

393, for packaging methods involving rigid liquid impermeable containers having plural layered walls.

410+, for packaging methods involving a flexible walled wrapper or container.