A24B 15/246
Polycyclic aromatic compounds
Official title: {Polycyclic aromatic compounds}
A24B15/246 (Polycyclic aromatic compounds) appears on 39 US grants and 55 published applications in this corpus.
Search patents in A24B- Granted patents
- 39
- Published applications
- 55
- Assignees
- 19
- Inventors
- 66
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 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 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 0 | 3 |
| 2004 | 2 | 3 |
| 2005 | 3 | 5 |
| 2006 | 1 | 3 |
| 2007 | 0 | 3 |
| 2008 | 0 | 3 |
| 2009 | 0 | 2 |
| 2010 | 3 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 3 |
| 2013 | 5 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 3 |
| 2016 | 2 | 2 |
| 2017 | 2 | 2 |
| 2018 | 3 | 1 |
| 2019 | 2 | 3 |
| 2020 | 3 | 3 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 2 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Whitened tobacco composition16 Jun 2026US 12,653,222 B2R. J. Reynolds Tobacco Company
- Immobilized diluents for smoking articles3 Oct 2023US 11,771,128 B2Philip Morris USA Inc.
- Method of extracting volatile compounds from tobacco material8 Aug 2023US 11,717,021 B2British American Tobacco (Investments) Limited
- Whitened tobacco composition9 Nov 2021US 11,166,486 B2R. J. Reynolds Tobacco Company
- Whitened tobacco compostion15 Sep 2020US 10,772,349 B2R. J. Reynolds Tobacco Company
- Whitened tobacco composition17 Sep 2026US 2026/0271990 A1R. J. Reynolds Tobacco Company
- Cannabinoid-containing compositions19 Jun 2025US 2025/0195546 A1
- Immobilized diluents for smoking articles23 Nov 2023US 2023/0371575 A1Philip Morris USA Inc.
- Method of extracting volatile compounds from tobacco material1 Jun 2023US 2023/0165300 A1British American Tobacco (Investments) Limited
- Whitened tobacco composition27 Jan 2022US 2022/0022522 A1R. J. Reynolds Tobacco Company
Most cited
By later US patents
- Cigarette with smoke constituent attenuator157US 6,701,936 B2Philip Morris Incorporated · 2004
- Method of making a smoking composition65US 6,959,712 B2Vector Tobacco, Inc. · 2005
- Method of making a smoking composition64US 6,789,548 B2Vector Tobacco, Inc. · 2004
- Whitened tobacco composition43US 9,420,825 B2R. J. Reynolds Tobacco Company · 2016
- Reduction of constituents in tobacco36US 7,798,151 B2Phasex Corporation · 2010