US PATENT SUBCLASS 131 / 903
FIXING THE PRODUCT AFTER PUFFING

Current as of: June, 1999
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131 /   HD   TOBACCO

903FIXING THE PRODUCT AFTER PUFFING

DEFINITION

Classification: 131/903

FIXING THE PRODUCT AFTER PUFFING:

Process or apparatus wherein previously puffed tobacco is treated to allow it to retain its puffed structure and preclude shrinking.

SEE OR SEARCH THIS CLASS, SUBCLASS:

292, for a freeze drying step in a puffing treatment.