A24B 15/245
Nitrosamines
Official title: {Nitrosamines}
A24B15/245 (Nitrosamines) appears on 86 US grants and 132 published applications in this corpus.
Search patents in A24B- Granted patents
- 86
- Published applications
- 132
- Assignees
- 32
- Inventors
- 192
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 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 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 4 |
| 2004 | 5 | 3 |
| 2005 | 3 | 8 |
| 2006 | 0 | 14 |
| 2007 | 0 | 3 |
| 2008 | 1 | 3 |
| 2009 | 3 | 2 |
| 2010 | 3 | 4 |
| 2011 | 2 | 4 |
| 2012 | 1 | 3 |
| 2013 | 2 | 10 |
| 2014 | 4 | 10 |
| 2015 | 4 | 5 |
| 2016 | 8 | 9 |
| 2017 | 6 | 9 |
| 2018 | 4 | 7 |
| 2019 | 9 | 5 |
| 2020 | 8 | 6 |
| 2021 | 3 | 6 |
| 2022 | 3 | 3 |
| 2023 | 3 | 5 |
| 2024 | 3 | 1 |
| 2025 | 1 | 4 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composition and methods for producing tobacco plants and products having increased phenylalanine and reduced tobacco-specific nitrosamines (TSNAs)11 Aug 2026US 12,703,872 B2Altria Client Services LLC
- Whitened tobacco composition16 Jun 2026US 12,653,222 B2R. J. Reynolds Tobacco Company
- Method for reducing nornicotine in tobacco10 Feb 2026US 12,543,694 B2British American Tobacco (Investments) Limited
- Methods for reducing one or more tobacco specific nitrosamines in tobacco material10 Feb 2026US 12,543,775 B2Philip Morris Products S. A.
- Method for decreasing alkaloid content of a tobacco plant10 Feb 2026US 12,545,921 B2British American Tobacco (Investments) Limited
- Whitened tobacco composition17 Sep 2026US 2026/0271990 A1R. J. Reynolds Tobacco Company
- Method and application of preparing sun-cured tobacco by irradiation27 Nov 2025US 2025/0359585 A1China Tobacco Yunnan Industrial Co., Ltd
- Methods for treating tobacco material, apparatus for treating tobacco material, treated tobacco material and uses thereof26 Jun 2025US 2025/0204574 A1British American Tobacco (Investments) Limited
- Methods of decreasing total alkaloid content in tobacco17 Apr 2025US 2025/0122517 A1University of Kentucky Research Foundation
- Composition and Methods for Producing Tobacco Plants and Products Having Reduced Tobacco-Specific Nitrosamines (TSNAs)9 Jan 2025US 2025/0011803 A1Altria Client Services LLC
Most cited
By later US patents
- Tobacco processing116US 6,895,974 B2R. J. Reynolds Tobacco Company · 2005
- Modifying nicotine and nitrosamine levels in tobacco101US 6,907,887 B2Vector Tobacco, Inc. · 2005
- Process for reducing nitrogen containing compounds and lignin in tobacco70US 6,772,767 B2Brown & Williamson Tobacco Corporation · 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