Deposition of menthol on tobacco专利检索-调味剂食品添加剂调味料，色素和添加剂专利检索查询-专利查询网

Deposition of menthol on tobacco

阅读：885发布：2023-10-07

专利汇可以提供Deposition of menthol on tobacco专利检索，专利查询，专利分析的服务。并且Tobacco is treated by introducing a tobacco flavorant vapor such as menthol vapor into a conduit an pneumatically conveying the vapor through the conduit. The air in the conduit being maintained at a temperature of from about 75* to 150* F and above the vaporizing temperature of the flavorant. Tobacco is injected into the conduit at a point downstream from the vapor injection. The flavorant vapor is uniformly deposited on the tobacco as it is carried down the conduit. A predetermined level of flavorant is maintained in the conduit through which the tobacco and flavorant vapor are pneumatically conveyed.，下面是Deposition of menthol on tobacco专利的具体信息内容。

权利要求

2. The invention in accordance with claim 1 wherein the vapor is menthol vapor and the concentration of menthol vapor in said conduit at said tobacco injection point is from about 5 to 30 milligrams per cubic foot.

3. The invention in accordance with claim 1 including the steps of separating the menthol-treated tobacco from said air stream, thereafter, recycling said separated air stream to said conduit.

4. A method of treating tobacco comprising: a. introducing by vapor injection menthol in heated vapor form in the absence of a volatile or semi-volatile carrier fluid into a conduit having a healed air stream maintained at a temperature within the range of from about 75* to 150* F, the temperature of said air stream being above the vaporizing temperature of said menthol, a vaporized menthol being in the proportion of from between 15 to 30 milligrams per cubic foot of heated air to form a uniform concentration of said menthol in said air stream; b. injecting tobacco into said conduit and into said mixture of said heated air and vaporized menthol at a point downstream from said vapor injection at the outlet side of a negative pressure producing means; c. keeping said tobacco and vaporized menthol in said conduit in contact for a period of time of from between 3 and 15 seconds to permit uniform absorption of said menthol at a menthol level of at least about 0.2 percent on said tobacco; and finally separating the flavored tobacco from said conduit.

5. The invention in accordance with claim 4 including the steps of separating the menthol-treated tobacco from said air stream and thereafter recycling said air stream to said conduit.

6. The method in accordance with claim 4 in which the temperature of the pneumatic stream is between 100* and 115* F.

说明书全文

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