IP Library Granted Patent US 10,779,564
Granted Patent B2
US 10,779,564 · App. 13/509,477 · Granted Sep 22, 2020

Tobacco smoke filter

Inventors: Ann R. Treadaway (Clemmons, NC); James D. Reed (Winston Salem, NC); Stephen Longley-Martines (Templeton, MA)
Assignee: FILTRONA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD
A24D3/0225A24D3/048
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Quick Facts
Patent No.
US 10,779,564
App. No.
13/509,477
Granted
Sep 22, 2020
Kind
B2
Abstract

There is provided a tobacco smoke filter ( 1 ) or filter element comprising: a rod ( 2 ) of a tobacco smoke filtering material; a continuous extruded element ( 7 ) extending longitudinally of the rod ( 2 ); and a flavouring agent.

Claims (1)

1. A tobacco smoke filter or filter element comprising: a rod of a tobacco smoke filtering material; a continuous extruded element extending longitudinally of the rod; and a flavouring agent, wherein the continuous extruded element extending longitudinally of the rod further comprises a pigment of a contrasting colour to the tobacco smoke filtering material, wherein the continuous extruded element extending longitudinally of the rod is of diameter, or width at narrowest point, of from about 0.5 to about 10 mm, and the continuous extruded element extending longitudinally of the rod has a solid cross-section along a full length thereof and is visible at a mouth end of the filter or filter element.

Assignments (4)
CHANGE OF NAME Recorded Sep 16, 2025
From: FILTRONA FILTER PRODUCTS DEVELOPMENT CO PTE. LTD.
To: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO PTE. LTD.
Reel/Frame 072867/0691 →
CHANGE OF ADDRESS Recorded Sep 16, 2025
From: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO PTE. LTD.
To: ESSENTRA FILTER PRODUCTS DEVELOPMENT CO PTE. LTD.
Reel/Frame 072867/0897 →
MERGER Recorded Sep 16, 2025
From: FILTRONA DEVELOPMENT CO. PTE. LTD.
To: FILTRONA PTE. LTD.
Reel/Frame 072867/0962 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 31, 2012
From: TREADAWAY, ANN R.; REED, JAMES D.; LONGLEY-MARTINES, STEPHEN
To: FILTRONA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD
Reel/Frame 028686/0389 →
Priority Claims (1)
GB 0920397.7 · Nov 20, 2009 · national
Continuity (2)
Provisional Application 61260509 · Nov 12, 2009
Related Publication 20120291792A1 · Nov 22, 2012
Cited By (1)
US 12,514,283