C07C 249/00
Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton
Official title: Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton (of diazo compounds C07C245/12)
C07C249/00 (Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton) appears on 671 US grants and 524 published applications in this corpus.
Search patents in C07C- Granted patents
- 671
- Published applications
- 524
- Assignees
- 404
- Inventors
- 1,904
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 8 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 6 | 0 |
| 1993 | 11 | 0 |
| 1994 | 15 | 0 |
| 1995 | 19 | 0 |
| 1996 | 18 | 0 |
| 1997 | 12 | 0 |
| 1998 | 14 | 0 |
| 1999 | 20 | 0 |
| 2000 | 19 | 0 |
| 2001 | 14 | 2 |
| 2002 | 18 | 11 |
| 2003 | 21 | 27 |
| 2004 | 18 | 32 |
| 2005 | 20 | 16 |
| 2006 | 10 | 15 |
| 2007 | 15 | 11 |
| 2008 | 14 | 14 |
| 2009 | 12 | 18 |
| 2010 | 7 | 18 |
| 2011 | 10 | 22 |
| 2012 | 14 | 24 |
| 2013 | 16 | 21 |
| 2014 | 24 | 34 |
| 2015 | 32 | 30 |
| 2016 | 24 | 32 |
| 2017 | 30 | 28 |
| 2018 | 23 | 23 |
| 2019 | 25 | 26 |
| 2020 | 31 | 28 |
| 2021 | 14 | 21 |
| 2022 | 14 | 16 |
| 2023 | 15 | 21 |
| 2024 | 9 | 15 |
| 2025 | 9 | 6 |
| 2026 | 7 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 249/04Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton: of369
- C07C 249/02Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton: of252
- C07C 249/16Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton: of66
Recent patents
- Methods for preparing (2S,3R,4R)-4,5-dihydroxyisoleucine derivative and intermediates thereof15 Sep 2026US 12,735,384 B2Inner Mongolia Duhe Innovation R & D Tech Co., Ltd
- Materials and methods for iodine capture30 Jun 2026US 12,671,088 B2University of Houston System
- Benzaldehyde oximes and method for producing same19 May 2026US 12,630,499 B2Bayer Aktiengesellschaft
- Synthetic methods for preparation of 4-(2-chloro-4-methoxy-5-methylphenyl)-n-[(1S)-2-cyclopropyl-1-(3-fluoro-4-methylphenyl)ethyl]-5-methyl-n-prop-2-ynyl-1,3-thiazol-2-amine24 Mar 2026US 12,582,634 B2Neurocrine Biosciences, Inc.
- Synthetic methods of making (2H-1, 2, 3-triazol-2-yl) phenyl compounds as orexin receptor modulators10 Mar 2026US 12,570,658 B2Janssen Pharmaceutica NV
- Synthetic methods of making (2h-1, 2, 3-triazol-2-yl) phenyl compounds as orexin receptor modulators1 Oct 2026US 2026/0297096 A1Janssen Pharmaceutica NV
- Materials and methods for iodine capture24 Sep 2026US 2026/0290827 A1University of Houston System
- Process for preparing azine using reactors in cascade17 Sep 2026US 2026/0274786 A1
- Benzaldehyde oximes and method for producing same3 Sep 2026US 2026/0257988 A1Bayer Aktiengesellschaft
- New process for the manufacture of mdm2-p53 antagonists23 Jul 2026US 2026/0209169 A1Boehringer Ingelheim International GmbH
Most cited
By later US patents
- Process for producing oxime1,463US 7,161,036 B2Sumitomo Chemical Company, Limited · 2007
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Ligands for metals and improved metal-catalyzed processes based thereon100US 6,395,916 B1Massachusetts Institute of Technology · 2002
- Ligands for metals and improved metal-catalyzed processes based thereon93US 7,223,879 B2Massachusetts Institute of Technology · 2007
- Ligands for metals and improved metal-catalyzed processes based thereon83US 6,946,560 B2Massachusetts Institute of Technology · 2005