US PATENT SUBCLASS 426 / 445
.~.~ Size increase by puffing, or pore forming of solid material by heating

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}
445.~.~ Size increase by puffing, or pore forming of solid material by heating {3}
446  DF  .~.~.~> Dough product
447  DF  .~.~.~> By sudden pressure release from exteriorly applied pressurized zone {2}
450  DF  .~.~.~> Of cereal material

DEFINITION

Classification: 426/445

(under subclass 443) Processes involving the heat treatment of a solid food to effect an expansion or increase in the volume of the food, e.g., puffing, popping, etc..

SEE OR SEARCH THIS CLASS, SUBCLASS:

141, for a solid edible in an expanded state.

163+, for a foam or foamable composition.

351, for a method of puffing a solid defined composition.

453+, for a method of uniting particulate material to form a larger unit which has voids between the individual particles. 470, for a method of drying a foamed or gasified material.

SEE OR SEARCH CLASS

264, Plastic and Nonmetallic Article Shaping or Treating: Processes,

41+, for processes including the step of forming pores or voids in an article or material, said pore forming being effected internally by occluding or incorporating void forming or void producing elements or ingredients randomly throughout the plastic article forming material.