US PATENT SUBCLASS 426 / 470
.~.~.~ Of prior foamed or gasified material

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

665  DF  PROCESSES {25}
443  DF  .~ Preparation of product which is dry in final form {7}
465  DF  .~.~ Including heating or dehydration {5}
470.~.~.~ Of prior foamed or gasified material

DEFINITION

Classification: 426/470

(under subclass 465) Processes involving the heat treatment or dehydration of a foamed or intentionally gasified material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

163, for a foam or foamable type composition.

312+, for the contacting of a material with a gas which is other than air, Co2, steam, nitrogen, the inert gases, or mixtures composed solely of these gases.

329+, for a method of stabilizing a foam by using a chemical agent.

474+, for a process involving gas-liquid contact.