US PATENT SUBCLASS 252 / 188.28
.~ Deoxidant or oxygen scavenging

Current as of: June, 1999
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252 /   HD   COMPOSITIONS

188.1  DF  REDUCTIVE BLEACHANT, DEOXIDANT, REDUCTANT, OR GENERATIVE {4}
188.28.~ Deoxidant or oxygen scavenging

DEFINITION

Classification: 252/188.28

Deoxidant or oxygen scavenging:

(under subclass 188.1) Composition which functions to remove oxygen by chemical means, e.g., an oxygen scavenger composition which consists of metallic iron, silicic acid, soduim bromide, and calcium sulfate filler, etc.