Patent · US Active

Reduction of constituents in tobacco

US7798151B2 · kind B2 · utility

34Cited by

25References

43Claims

0Family size

Assignees

U.S. Smokeless Tobacco Company LLC · US
Phasex Corporation · US

Inventors

Val Krukonis · Lexington, US
Hans Schonemann · Newburyport, US
Anthony Gudinas · Atkinson, US
Paula Wetmore · Chelmsford, US
Kara Williams · Saugus, US
Carl H. Midgett · Ashland City, US
Clifford Brown Bennett · Brentwood, US
Harry Y. Zheng · Smyrna, US
Kathleen S. Johnston · Nashville, US

Key dates

Filing date	Jul 18, 2003
Grant date	Sep 21, 2010
Priority date	—
Expiry date	Sep 26, 2026

Classification

Technology area (CPC A)Human Necessities
CPC primaryA24B15/287
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

Methods of selectively reducing constituents in tobacco as well as the tobacco obtained by such methods are disclosed. Subcritical fluids, e.g., liquid carbon dioxide, serve as the reduction media.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.