A24B 15/38
Having only nitrogen as hetero atom
Official title: having only nitrogen as hetero atom
A24B15/38 (Having only nitrogen as hetero atom) appears on 78 US grants and 128 published applications in this corpus.
Search patents in A24B- Granted patents
- 78
- Published applications
- 128
- Assignees
- 40
- Inventors
- 233
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 0 | 6 |
| 2019 | 3 | 3 |
| 2020 | 2 | 8 |
| 2021 | 5 | 20 |
| 2022 | 5 | 18 |
| 2023 | 6 | 9 |
| 2024 | 10 | 16 |
| 2025 | 9 | 18 |
| 2026 | 5 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nutritional compositions and infant formula for promoting de novo myealination21 Jul 2026US 12,685,331 B2Societe des Produits Nestle S. A.
- Environment-friendly wrapping-free heat-not-burn naked tobacco product30 Jun 2026US 12,667,133 B2New Flame Intelligent Manufacturing (Shenzhen) Co., Ltd.
- Flavoring agent, flavoring agent composition and article comprising same16 Jun 2026US 12,653,216 B2Kt&G Corporation
- Pouched product24 Mar 2026US 12,582,155 B2Fertin Pharma A/S
- Nicotine sheet and aerosol-generating article including the same17 Mar 2026US 12,575,597 B2Kt&G Corporation
- Process for preparing an aerosol-generating material1 Oct 2026US 2026/0293962 A1Nicoventures Trading Limited
- Aerosol-generating article comprising a solid aerosol-generating substrate1 Oct 2026US 2026/0293964 A1Philip Morris Products S. A.
- Oral product for delivery of nicotine comprising a nicotine salt of a fatty acid1 Oct 2026US 2026/0293965 A1Contraf-Nicotex-Tobacco GmbH
- Treated sheet materials adapted for use as oral products17 Sep 2026US 2026/0271992 A1RAI Strategic Holdings, Inc.
- Apparatus and method for liquid application to a sheet material17 Sep 2026US 2026/0273565 A1Philip Morris Products S. A.
Most cited
By later US patents
- Nicotine salts, co-crystals, and salt co-crystal complexes50US 9,738,622 B2R. J. Reynolds Tobacco Company · 2017
- Flavoring with mixtures of theobromine and cyclic dipeptides45US 4,006,261 AFirmenich SA · 1977
- Smoking compositions41US 4,312,367 APhilip Morris Incorporated · 1982
- Process of preparing nicotine N'-oxide and smoking products containing it33US 4,641,667 AB.A.T. Cigarettenfabriken GmbH · 1987
- Method of providing flavorful and aromatic compounds in absence of reducing sugars24US 6,325,860 B1R. J. Reynolds Tobacco Company · 2001