Essentra Filter Products Development Co. Pte. Ltd

Filtrona Plc

Filtrona Development Co. Pte. Ltd.

Roy Alingalan

Ahmad Fashihul Lisan

Sulistyo Widodo

Pakorn Aewskulrat

Antony Mccormack

A tobacco smoke filter or filter element comprising a stiff outer wrapper engaged around a downstream thermoformed core of tobacco smoke filtering material and a further core longitudinally aligned therewith; the downstream thermoformed core having a profiled outer surface which defines with the stiff outer wrapper at least one longitudinally extending channel which extends the length of the downstream core.

Tobacco smoke filter

A tobacco smoke filter or filter element including a longitudinally extending core of tobacco smoke filtering material of circumference 14 to 17 mm which includes a channel which extends longitudinally from an end of the core; wherein the core further includes a plasticiser in an amount of 17 to 19% by weight of the tobacco smoke filtering material.

Growing community of inventors

Sidoarjo, Indonesia

Roy Alingalan