Tobacco treating process

A - Human Necessities – 24 – B

Patent

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131/87

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

Patent

CA 1234526

UNITED STATES PATENT APPLICATION OF KEVIN R. KORTE AND DAN T. WU FOR IMPROVED TOBACCO TREATING PROCESS ABSTRACT OF THE DISCLOSURE An improved tobacco treating process comprising cooling tobacco in a liquid nitrogen bath, impregnating the mixture with carbon dioxide gas under preselected pressure conditions, releasing the pressure and subjecting the so treated tobacco to drying gases with temperatures at least above about 250°F with wet bulb temperatures in the range of at least about 150°F with a maximum of 212°F.

469964

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