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| 9916482 | Fibers with physical features used for coding | Mar 16, 17 | Mar 13, 18 | EASTMAN CHEMICAL COMPANY |
| 9865182 | Fibers with surface markings used for coding | Aug 02, 16 | Jan 09, 18 | EASTMAN CHEMICAL COMPANY |
| 9848636 | Filter components, filters, smoking articles, and related methods, all for the controlled delivery of aerosols | Sep 05, 14 | Dec 26, 17 | Lorillard Tobacco Company |
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| 9788573 | Smoke filters for reducing components in a smoke stream | Jul 08, 15 | Oct 17, 17 | ACETATE INTERNATIONAL LLC |
| 9730469 | Tobacco smoke filter | Feb 07, 13 | Aug 15, 17 | ESSENTRA FILTER PRODUCTS DEVELOPMENT CO. PTE. LTD. |
| 9717271 | Filter segment comprising an acetate salt and glycerine | Oct 21, 13 | Aug 01, 17 | PHILIP MORRIS PRODUCTS S.A. |
| 9633579 | Fibers with physical features used for coding | Jun 24, 15 | Apr 25, 17 | EASTMAN CHEMICAL COMPANY |
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| 9289013 | Cigarette filter | Jul 26, 12 | Mar 22, 16 | DAICEL CORPORATION |
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| 9185935 | Smoking article filters | May 02, 13 | Nov 17, 15 | BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED, British American Tobacco (Invesments) Limited, |
| 9179709 | Mixed fiber sliver for use in the manufacture of cigarette filter elements | Jul 25, 12 | Nov 10, 15 | R.J. REYNOLDS TOBACCO COMPANY |
| 9155335 | Degradable cigarette filter | Jun 09, 08 | Oct 13, 15 | ACETATE INTERNATIONAL LLC |
| 9149071 | Smoke filters for reducing components in a smoke stream | Mar 10, 14 | Oct 06, 15 | ACETATE INTERNATIONAL LLC |
| 9149070 | Segmented cigarette filter for selective smoke filtration | Jul 14, 11 | Oct 06, 15 | R.J. REYNOLDS TOBACCO COMPANY |
| 9119420 | Filter element comprising multifunctional fibrous smoke-altering material | Apr 01, 14 | Sep 01, 15 | R.J. REYNOLDS TOBACCO COMPANY |