US PATENT SUBCLASS 426 / 322
.~ Treatment with heavy metal or compound thereof

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}
322.~ Treatment with heavy metal or compound thereof

DEFINITION

Classification: 426/322

(under subclass 321) Processes wherein the food material is contacted with a heavy metal, or a compound thereof i.e., a metal having a specific gravity greater than four.