Low ignition propensity cigarette paper

US20090025742A1Inactive Publication Date: 2009-01-29JAPAN TOBACCO INC
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
Publication Date
2009-01-29
Estimated Expiration
Not applicable · inactive patent

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Abstract

A low ignition propensity cigarette paper includes base cigarette paper having a basis weight exceeding 22 g/m2, and a plurality of burn limiting areas arranged apart from one another on one surface of the base cigarette paper. The burn limiting areas are formed by applying sodium alginate having a degree of polymerization of about 500 to about 900 or sodium alginate whose 3% by weight aqueous solution exhibits a viscosity of 19000 cP or more as measured at 25° C.
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Description

CROSS REFERENCE TO RELATED APPLICATIONS

[0001] This is a Continuation Application of PCT Application No. PCT / JP2007 / 055874, filed Mar. 22, 2007, which was published under PCT Article 21(2) in Japanese.

[0002] This application is based upon and claims the benefit of priority from prior Japanese Patent Application No. 2006-095825, filed Mar. 30, 2006, the entire contents of which are incorporated herein by reference.BACKGROUND OF THE INVENTION

[0003] 1. Field of the Invention

[0004] The present invention relates to a low ignition propensity cigarette paper.

[0005] 2. Description of the Related Art

[0006] A cigarette paper has been proposed which is reduced in the air permeability of base cigarette paper by applying a salt of alginic acid to at least a part of the base cigarette paper such that a cigarette is restrained from causing, for example, a floor to catch fire from the burning butt when the cigarette falls on the floor because of, for example, carelessness by the smoker (see Jpn. Pat. Appl...