THERMAL TREATMENT PROCESS FOR TOBACCO MATERIALS

WIPO Patent Application WO/2012/021683

A3

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.

CHEN GONG (US)
GERARDI ANTHONY RICHARD (US)
MUA JOHN-PAUL (US)
HOLTON JR DARRELL EUGENE (US)
CANTRELL DANIEL VERDIN (US)
ST CHARLES FRANK KELLEY (US)
MOLDOVEANU SERBAN C (US)
BRINKLEY PAUL ANDREW (US)

PCT/US2011/047385

May 31, 2012

August 11, 2011

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REYNOLDS TOBACCO CO R (US)
CHEN GONG (US)
GERARDI ANTHONY RICHARD (US)
MUA JOHN-PAUL (US)
HOLTON JR DARRELL EUGENE (US)
CANTRELL DANIEL VERDIN (US)
ST CHARLES FRANK KELLEY (US)
MOLDOVEANU SERBAN C (US)
BRINKLEY PAUL ANDREW (US)

A24B15/20; A24B15/30

WO2010141278A1

2010-12-09

US6499489B1	2002-12-31
US20090304879A1	2009-12-10
US20070141225A1	2007-06-21

HUMPHREY, Christopher M. (PLLCP.O. Box 703, Atlanta Georgia, US)

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