PROCESS FOR PRODUCING REGENERATED TOBACCO MATERIAL

WIPO Patent Application WO/2004/098323

A1

A regenerated tobacco material is produced through extracting of natural tobacco material with an extractant solvent to thereby obtain an extract solution containing components of the natural tobacco material and an extraction residual. Regeneration tobacco web is prepared from the extraction residual. On the other hand, the extract solution is subjected to fractionation using ultrafiltration or reverse osmosis filtration, or fractionation using reverse phase partition chromatography so as to obtain a first fraction wherein desired components are enriched while undesired components are impoverished and a second fraction wherein desired components are impoverished while undesired components are enriched. An arbitrary amount of first fraction together with a reduced amount of second fraction is added to the regeneration tobacco web, thereby obtaining a regenerated tobacco material.

YAMADA YOSHIYUKI (JP)
HASEGAWA YUKIKO (JP)

PCT/JP2004/006001

November 18, 2004

April 26, 2004

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JAPAN TOBACCO INC (JP)
YAMADA YOSHIYUKI (JP)
HASEGAWA YUKIKO (JP)

A24B15/12; A24B15/24; (IPC1-7): A24B15/12

JPS56148275A	1981-11-17
JPH05292935A	1993-11-09
JPS62289167A	1987-12-16
US4941484A	1990-07-17
US3847163A	1974-11-12

BALASUBRAMANIAM D ET AL.: "Tobacco Protein Separation by two-phase extraction", JOURNAL OF CHROMATOGRAPHY A, vol. 989, 2003, pages 119 - 129, XP004410554, DOI: doi:10.1016/S0021-9673(02)01900-3
See also references of EP 1623634A4

Suzuye, Takehiko c/o SUZUYE & SUZUYE (7-2 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, JP)

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