US PATENT SUBCLASS 426 / 569
.~.~ Beverage or mix

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}
564  DF  .~ Foam or foamable type {6}
569.~.~ Beverage or mix

DEFINITION

Classification: 426/569

(under subclass 564) Subject matter involving a beverage which has a desired foam characteristic.

(1) Note. Most of the patents herein involve the stabilization of the foam of an alcoholic beverage.

SEE OR SEARCH CLASS

516, Colloid Systems and Wetting Agents; Subcombinations Thereof; Processes of Making, Stabilizing, Breaking, or Inhibiting,

10+, for foam colloid systems or agents for such systems or making or stabilizing such systems or agents, when generically claimed or when there is no hierarchically superior provision in the USPC for the specifically claimed art.