US PATENT SUBCLASS 426 / 561
.~ Gas or gas generating agent per se

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

531  DF  PRODUCTS PER SE, OR PROCESSES OF PREPARING OR TREATING COMPOSITIONS INVOLVING CHEMICAL REACTION BY ADDITION, COMBINING DIVERSE FOOD MATERIAL, OR PERMANENT ADDITIVE {29}
561.~ Gas or gas generating agent per se {1}
562  DF  .~.~> Baking powder {1}

DEFINITION

Classification: 426/561

(under subclass 531) Subject matter involving a product in the form of a gaseous mixture or gas generating agent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

61+, for dormant or active fermenting compositions which liberate a gas as the result of a fermentation reaction.