| 2017/0156,395 | Additive carrying composition | Mar 27, 15 | Jun 08, 17 | BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED |
| 2016/0128,380 | AMPHIPHILE-MODIFIED SORBENTS IN SMOKING ARTICLES AND FILTERS | Dec 29, 15 | May 12, 16 | Philip Morris USA Inc. |
| 2015/0114,412 | SMOKING ARTICLES | Apr 24, 13 | Apr 30, 15 | BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED |
| 2015/0107,613 | SMOKING ARTICLE FILTERS | May 02, 13 | Apr 23, 15 | BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED |
| 2013/0239,983 | Smoke Filters for Smoking Devices with Porous Masses Having a Carbon Particle Loading and an Encapsulated Pressure Drop | Apr 05, 13 | Sep 19, 13 | ACETATE INTERNATIONAL LLC |
| 2013/0081,643 | Composite Additive Materials | Mar 31, 11 | Apr 04, 13 | BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED |
| 2012/0318,285 | ADDITIVES FOR TOBACCO CUT FILLER | Aug 27, 12 | Dec 20, 12 | Philip Morris USA Inc. |
| 2012/0247,491 | SMOKING ARTICLES COMPRISING COPPER-EXCHANGED MOLECULAR SIEVES | May 21, 12 | Oct 04, 12 | Philip Morris USA Inc. |
| 2012/0024,304 | Filter Element Comprising Multifunctional Fibrous Smoke-Altering Material | Jul 30, 10 | Feb 02, 12 | R.J. REYNOLDS TOBACCO COMPANY |
| 2011/0271,968 | Filtered Cigarette With Modifiable Sensory Characteristics | May 07, 10 | Nov 10, 11 | R.J. REYNOLDS TOBACCO COMPANY |
| 2011/0162,667 | TOBACCO SMOKE FILTER FOR SMOKING DEVICE WITH POROUS MASS OF ACTIVE PARTICULATE | Dec 30, 10 | Jul 07, 11 | ACETATE INTERNATIONAL LLC |
| 2011/0017,223 | AMPHIPHILE-MODIFIED SORBENTS IN SMOKING ARTICLES AND FILTERS | Oct 01, 10 | Jan 27, 11 | Philip Morris USA Inc. |
| 2010/0319,718 | Ventilated smoking article | Aug 27, 10 | Dec 23, 10 | Not available |
| 2009/0056,729 | SMOKING ARTICLE AND SMOKING ARTICLE FILTER | Nov 03, 08 | Mar 05, 09 | Not available |
| 2009/0020,132 | FILTER CIGARETTE | Jan 16, 06 | Jan 22, 09 | REEMTSMA CIGARETTENFABRIKEN GMBH |
| 2006/0185,685 | Nanoscale particles of iron aluminide and iron aluminum carbide by the reduction of iron salts | Dec 15, 05 | Aug 24, 06 | Philip Morris USA Inc. |
| 2006/0137,701 | Ceria/zirconia fiberes for use in cigarettes | Sep 12, 03 | Jun 29, 06 | ROTHMANS, BENSON & HEDGES INC. |
| 2006/0090,768 | Synthesis and incorporation of high-temperature ammonia-release agents in lit-end cigarettes | Oct 21, 05 | May 04, 06 | Philip Morris USA Inc. |
| 2006/0086,367 | Additives for tobacco cut filler | Oct 19, 05 | Apr 27, 06 | Philip Morris USA Inc. |
| 2006/0060,210 | Cigarette sidestream smoke and free-burn rate control device | Nov 09, 05 | Mar 23, 06 | ROTHMANS, BENSON & HEDGES INC. |