Philip Morris USA Inc.

Philip Morris Products S.a.

Gail Yoss

Raquel M Olegario

San Li

Richard Jupe

Michael S Braunshteyn

Rowland W Dwyer

Mike Braunshteyn

Jim Lyons-Hart

Jimmy Lyons-Hart

A smoking article having a cylinder of smoking material and a filter system attached to the cylinder of smoking material. The filter system includes an upstream plug of filtering material, a downstream plug of filtering material, and a cavity between the upstream plug of filtering material and the downstream plug of filtering material. A flow restrictor is positioned within the cavity and has at least one orifice and a series of perforations provide ventilation to the smoking article.

Smoking article with impaction filter segment

A smoking article, which provides lower amounts of total particulate matter in a latter portion of its puff count, includes a cylinder of smoking material, a combustible hollow tube within the cylinder of smoking material, and a heat sink at a downstream end of the hollow tube. The smoking article also includes a filter system attached to the cylinder of smoking material having a sorbent material and at least one downstream segment of filtering material.

Smoking article with improved delivery profile

Growing community of inventors

Chesterfield, VA, United States of America

Gail Yoss