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US 4,362,170 AGranted
Tobacco curing method
AssigneePhilip Morris Incorporated
InventorsGus D. Keritsis, Gordon H. Bokelman, Dewitt T. Gooden, III
Life of this patent
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Abstract
An artificial method of curing green tobacco is provided wherein the tobacco is exposed to sulfur dioxide gas. Curing can be effected by completely contacting the tobacco with sulfur dioxide gas and thereafter allowing the tobacco to brown until the desired color is achieved.
Claims1
A method of artificially curing mature green tobacco from which juices have been expressed comprising contacting the tobacco having a moisture content of at least 10% OV with sulfur dioxide gas, allowing the sulfur dioxide treated tobacco to brown and drying the browned tobacco.
Dependencies are inferred from the claim text.