Cigarette filter tow band

Patent metadata

Field	Value
Publication number	US-10470490-B2
Application number	US-201415120916-A
Country	US
Kind code	B2
Filing date	Jun 19, 2014
Priority date	Jun 19, 2014
Publication date	Nov 12, 2019
Grant date	Nov 12, 2019

Abstract

Provided is a material (cigarette component) that enables the elimination or minimization of illicit cigarette production. Specifically, related is a cigarette filter tow band including a crimped bundle of filaments. The tow band includes a detectable marker for identifying the source of the tow band.

First claim

The invention claimed is:

1. A cigarette filter tow band comprising:
a crimped bundle of a plurality of filaments; and
a detectable marker for identifying a source of the tow band, wherein
the marker comprises one or more compounds;
all of the one or more compounds are compounds each having a boiling point of from 100° C. to 450° C. at 1 atmospheric pressure;
the one or more compounds comprise a compound containing, per molecule, one or more straight or branched chain aliphatic hydrocarbon groups each having a chain length of 6 or more carbon atoms; and
the marker comprises neither α-tocopherol nor sterols.

2. The cigarette filter tow band according to claim 1 ,
wherein the marker comprises two or more different compounds in combination.

3. A method for producing a cigarette filter tow band, the tow band comprising
a crimped bundle of a plurality of filaments; and
a marker for identifying a source of the tow band, wherein
the cigarette filter tow band is loaded with a textile oil,
the marker comprises one or more compounds, and
all of the one or more compounds are compounds each having a boiling point of from 100° C. to 450° C. at 1 atmospheric pressure,
the method comprising the steps of:
A) forming filaments;
D) unifying a plurality of the filaments to form a tow;
B) loading the filaments or the tow with the textile oil;
C) loading the filaments or the tow with the marker; and
E) crimping the tow to form the cigarette filter tow band.

4. The cigarette filter tow band according to claim 1 ,
wherein the marker comprises at least one selected from the group consisting of a C 8 -C 40 straight or branched chain saturated aliphatic hydrocarbon and a C 8 -C 40 straight or branched chain unsaturated aliphatic hydrocarbon.

Assignees

• Daicel Corp

Inventors

• Karakane Hiroki
• Oguni Kazuma

Classifications

• A24D3/0229

  Filter rod forming processes (A24D3/0275 takes precedence) · CPC title

• A24D3/14

  of organic materials as additive (of ion exchange materials A24D3/12) · CPC title

• A24D3/067 Primary

  characterised by functional properties · CPC title

• A24D3/0212

  Applying additives to filter materials · CPC title

• A24D3/06

  Use of materials for tobacco smoke filters · CPC title