Thermal treatment process for tobacco materials

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United States of America Patent

PATENT NO 8944072
SERIAL NO

12855343

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of preparing a tobacco material for use in a smoking article is provided, including (i) mixing a tobacco material, water, and an additive selected from the group consisting of lysine, glycine, histidine, alanine, methionine, glutamic acid, aspartic acid, proline, phenylalanine, valine, arginine, di- and trivalent cations, asparaginase, saccharides, phenolic compounds, reducing agents, compounds having a free thiol group, oxidizing agents, oxidation catalysts, plant extracts, and combinations thereof; (ii) heating the mixture; and (iii) incorporating the heat-treated mixture into a smoking article as a smokable material. A smoking article in the form of a cigarette is also provided that includes a tobacco material pre-treated to inhibit reaction of asparagine to form acrylamide in mainstream smoke. Upon smoking, the smoking article is characterized by an acrylamide content of mainstream smoke that is reduced relative to an untreated control smoking article.

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Patent Owner(s)

  • R. J. REYNOLDS TOBACCO COMPANY

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Brinkley, Paul Andrew Winston-Salem, US 29 1088
Cantrell, Daniel Verdin Lewisville, US 37 1259
Chen, Gong Winston-Salem, US 156 723
Gerardi, Anthony Richard Winston-Salem, US 86 507
Holton,, Jr Darrell Eugene Clemmons, US 65 542
Moldoveanu, Serban C Winston-Salem, US 23 179
Mua, John-Paul Advance, US 55 1286
St, Charles Frank Kelley Bowling Green, US 61 493

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