Patent ID: 9675102
Date: 2017-06-13
CPC Classifications: A24B

Claim:
1. A smokeless tobacco composition containing an effervescent material and adapted for oral use, comprising: (i) a tobacco material, at least a portion of which is in a particulate form or in the form of a tobacco extract; and (ii) an effervescent material comprising an acid component and a base component, wherein the acid component comprises a combination of a tricarboxylic acid and a dicarboxylic acid in a weight ratio of about 2:1 to about 1:2, and wherein the amount of effervescent material is at least about 10 dry weight percent, the amount of acid component is about 3 to about 20 dry weight percent, and the base component comprises a carbonate material present in an amount of about 3 to about 20 dry weight percent and a bicarbonate material present in an amount of about 3 to about 20 dry weight percent, all percentages based on the total dry weight of the composition, and the base component comprising a stoichiometric amount of the bicarbonate material with respect to the acid component such that the bicarbonate material is sufficient to react with all of the acid component to form carbon dioxide; and further wherein the smokeless tobacco composition is in the form of a compressed or extruded product having a predetermined shape that disintegrates in the oral cavity during use.