Process for increasing filling capacity of tobacco

A - Human Necessities – 24 – B

Patent

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131/87

A24B 1/00 (2006.01) A24B 3/18 (2006.01)

Patent

CA 1212594

ABSTRACT An improved process for increasing the filling capacity of tobacco is provided in which tobacco is contacted with vapors of an expansion agent such as, for example, a low-boiling highly volatile hydrocarbon and/or halocarbon, at elevated temperature and pressure conditions, then releasing the pressure to about atmo- spheric pressure in a relatively short time period, such as from one second to ten minutes, so that the tobacco is expanded so as to increase its filling capacity in the absence of a subsequent heating step.

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