US PATENT SUBCLASS 426 / 261
.~ By heavy metal compound or peroxide

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

253  DF  REMOVING NATURAL COLOR BY CHEMICAL REACTION, E.G., BLEACHING, ETC. {7}
261.~ By heavy metal compound or peroxide

DEFINITION

Classification: 426/261

(under subclass 253) Subject matter in which the bleaching agent is a heavy metal containing compound or a peroxide compound.

(1) Note. "Heavy metal" is defined as a metal having a specific gravity greater than 4. This includes all of the metals having an atomic number of 22 (titanium) or greater, with the exception of the alkali metals and the alkaline earth metals.