A24D 3/10
Of cellulose or cellulose derivatives
Official title: of cellulose or cellulose derivatives
A24D3/10 (Of cellulose or cellulose derivatives) appears on 322 US grants and 565 published applications in this corpus.
Search patents in A24D- Granted patents
- 322
- Published applications
- 565
- Assignees
- 109
- Inventors
- 871
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 12 | 0 |
| 1998 | 14 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 1 |
| 2003 | 5 | 2 |
| 2004 | 4 | 7 |
| 2005 | 1 | 10 |
| 2006 | 2 | 4 |
| 2007 | 0 | 1 |
| 2008 | 2 | 10 |
| 2009 | 0 | 5 |
| 2010 | 2 | 1 |
| 2011 | 4 | 7 |
| 2012 | 2 | 17 |
| 2013 | 5 | 10 |
| 2014 | 7 | 16 |
| 2015 | 11 | 27 |
| 2016 | 6 | 16 |
| 2017 | 7 | 22 |
| 2018 | 8 | 23 |
| 2019 | 21 | 23 |
| 2020 | 18 | 35 |
| 2021 | 21 | 40 |
| 2022 | 15 | 38 |
| 2023 | 26 | 51 |
| 2024 | 29 | 85 |
| 2025 | 26 | 59 |
| 2026 | 22 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Manufacture of gas emission medium for enhancing migration amount of active ingredients15 Sep 2026US 12,733,671 B2Kt&G Corporation
- Aerosol generating article and system25 Aug 2026US 12,714,139 B2Kt&G Corporation
- Consumable for an aerosol provision system11 Aug 2026US 12,702,155 B2Nicoventures Trading Limited
- Smoking article including a flavour delivery member11 Aug 2026US 12,702,157 B2Philip Morris Products S. A.
- Filter for smoking or vaping article comprising a two-layer material11 Aug 2026US 12,702,158 B2SWM Holdings US, LLC
- Eco-friendly filter for smoking article having disintegrability1 Oct 2026US 2026/0293974 A1Kolon Industries, Inc.
- Aerosol-generating article with upstream section, hollow tubular element and ventilation10 Sep 2026US 2026/0262706 A1Philip Morris Products S. A.
- Multi-segment filter element including smoke-altering flavorant10 Sep 2026US 2026/0262710 A1R. J. Reynolds Tobacco Company
- Multi-filter device for hoffmann compounds in gaseous media10 Sep 2026US 2026/0262711 A1Compania Industrial De Tabacos Monte Paz S.A.
- Lyocell material, cigarette filter, and respective manufacturing methods therefor10 Sep 2026US 2026/0262712 A1Kolon Industries, Inc.
Most cited
By later US patents
- Filter material for reducing harmful substances in tobacco smoke123US 6,591,839 B22003
- Method of producing tobacco filters100US 5,979,460 ADaicel Chemical Industries, Ltd. · 1999
- Degradable smoking article87US 5,709,227 AR. J. Reynolds Tobacco Company · 1998
- Filter material80US 4,274,914 ACelanese Corporation · 1981
- Molded article of biodegradable cellulose acetate and filter plug for smoking article79US 6,571,802 B1Japan Tobacco Inc. · 2003