C07C 45/562
With nitrogen as the only hetero atom
Official title: {with nitrogen as the only hetero atom}
C07C45/562 (With nitrogen as the only hetero atom) appears on 123 US grants and 27 published applications in this corpus.
Search patents in C07C- Granted patents
- 123
- Published applications
- 27
- Assignees
- 75
- Inventors
- 257
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 10 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 4 |
| 2008 | 2 | 3 |
| 2009 | 1 | 2 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 3 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Non-cryogenic, ammonia-free reduction of aryl compounds23 Sep 2025US 12,421,178 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Non-cryogenic, ammonia-free reduction of aryl compounds9 Jan 2024US 11,866,386 B2University of Pittsburgh—Of the Commonwealth System of Higher Education
- Aluminum trihalide-neutral ligand ionic liquids and their use in aluminum deposition22 Sep 2020US 10,781,525 B2UT-Battelle, LLC
- Efficient process for the synthesis of alkoxy substituted benzaldehydes28 Apr 2020US 10,633,360 B2Anthea Aromatics Private Limited
- Aryl beta diketones and their use as odorants3 Mar 2020US 10,577,298 B2Givaudan SA
- Non-Cryogenic, Ammonia-Free Reduction of Aryl Compounds21 Mar 2024US 2024/0092708 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Composition for promoting secretion of extracellular vesicles26 May 2022US 2022/0162561 A1National University Corporation Kanazawa University
- Non-Cryogenic, Ammonia-Free Reduction of Aryl Compounds24 Mar 2022US 2022/0089508 A1University of Pittsburgh—Of the Commonwealth System of Higher Education
- Aryl beta diketones and their use as odorants2 May 2019US 2019/0127305 A1Givaudan SA
- Aluminum trihalide-neutral ligand ionic liquids and their use in aluminum deposition11 Apr 2019US 2019/0106799 A1UT-Battelle, LLC
Most cited
By later US patents
- Pharmacologically active compounds, methods for the preparation thereof and compositions containing the same100US 4,963,590 AOrion-yhtyma Oy · 1990
- Pharmacologically active catechol derivatives49US 5,446,194 AOrion-yhtyma Oy · 1995
- Styrene derivatives40US 5,514,711 AMitsubishi Chemical Corporation · 1996
- 2- and 3-Cyclotetradecen-1-ones as bitterness depressants35US 4,183,965 AInternational Flavors & Fragrances Inc. · 1980
- Pharmacologically active compounds, methods for the preparation thereof and compositions containing the same33US 5,283,352 AOrion-yhtyma Oy · 1994