A24D 3/068
Biodegradable or disintegrable
Official title: {Biodegradable or disintegrable}
A24D3/068 (Biodegradable or disintegrable) appears on 93 US grants and 170 published applications in this corpus.
Search patents in A24D- Granted patents
- 93
- Published applications
- 170
- Assignees
- 55
- Inventors
- 295
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 1 | 8 |
| 2012 | 2 | 15 |
| 2013 | 4 | 8 |
| 2014 | 4 | 11 |
| 2015 | 7 | 10 |
| 2016 | 5 | 6 |
| 2017 | 2 | 9 |
| 2018 | 3 | 5 |
| 2019 | 4 | 4 |
| 2020 | 5 | 6 |
| 2021 | 3 | 7 |
| 2022 | 5 | 11 |
| 2023 | 3 | 13 |
| 2024 | 8 | 13 |
| 2025 | 4 | 20 |
| 2026 | 1 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter for smoking or vaping article comprising a two-layer material11 Aug 2026US 12,702,158 B2SWM Holdings US, LLC
- Filter paper for cigarette filters and filter comprising it4 Nov 2025US 12,460,352 B2Miquel Y Costas & Miquel, S.A.
- Hydro-entangled filter material for smoking products10 Jun 2025US 12,324,456 B2delfortgroup AG
- Aerosol generating articles comprising organic acids20 May 2025US 12,302,942 B2Kt&G Corporation
- Degradable cellulose ester1 Apr 2025US 12,262,735 B2Acetate International LLC
- Filter element for cigarettes1 Oct 2026US 2026/0293973 A1
- Eco-friendly filter for smoking article having disintegrability1 Oct 2026US 2026/0293974 A1Kolon Industries, Inc.
- Filter for smoking article having lyocell tow, and smoking article having the same30 Jul 2026US 2026/0215490 A1Kolon Industries, Inc.
- Filter for smoking article having lyocell tow, and smoking article having the same30 Jul 2026US 2026/0215492 A1Kolon Industries, Inc.
- Filter for smoking article having lyocell tow, and smoking article having the same30 Jul 2026US 2026/0215493 A1Kolon Industries, Inc.
Most cited
By later US patents
- Biodegradable polyvinyl alcohol tobacco smoke filters, tobacco smoke products incorporating such filters, and methods and apparatus for making same134US 5,911,224 AFiltrona International Limited · 1999
- Degradable smoking article87US 5,709,227 AR. J. Reynolds Tobacco Company · 1998
- Molded article of biodegradable cellulose acetate and filter plug for smoking article79US 6,571,802 B1Japan Tobacco Inc. · 2003
- Melt-blown nonwoven fabric, process for producing same and the uses thereof76US 6,207,601 B1Rhodia Acetow GmbH · 2001
- Filter with improved hardness and filtration efficiency49US 10,555,553 B2Philip Morris Products S. A. · 2020