C07C 257/00
Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group
Official title: Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines
C07C257/00 (Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group) appears on 678 US grants and 530 published applications in this corpus.
Search patents in C07C- Granted patents
- 678
- Published applications
- 530
- Assignees
- 358
- Inventors
- 1,912
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 11 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 19 | 0 |
| 1994 | 14 | 0 |
| 1995 | 15 | 0 |
| 1996 | 19 | 0 |
| 1997 | 31 | 0 |
| 1998 | 20 | 0 |
| 1999 | 34 | 0 |
| 2000 | 26 | 0 |
| 2001 | 42 | 12 |
| 2002 | 41 | 39 |
| 2003 | 26 | 53 |
| 2004 | 31 | 45 |
| 2005 | 27 | 32 |
| 2006 | 23 | 26 |
| 2007 | 24 | 22 |
| 2008 | 21 | 26 |
| 2009 | 11 | 24 |
| 2010 | 18 | 32 |
| 2011 | 13 | 19 |
| 2012 | 19 | 18 |
| 2013 | 16 | 15 |
| 2014 | 22 | 20 |
| 2015 | 12 | 11 |
| 2016 | 13 | 10 |
| 2017 | 12 | 12 |
| 2018 | 9 | 12 |
| 2019 | 8 | 13 |
| 2020 | 5 | 16 |
| 2021 | 8 | 14 |
| 2022 | 5 | 11 |
| 2023 | 8 | 11 |
| 2024 | 7 | 17 |
| 2025 | 10 | 10 |
| 2026 | 10 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compounds for the treatment of bacterial infections and potentiation of antibiotics8 Sep 2026US 12,728,105 B2Georgia State University Research Foundation, Inc.
- Method for synthesizing perovskite precursor solution of formamidine-based ionic liquid, celldevice, and solar cell11 Aug 2026US 12,707,875 B2Nanjing Tech University
- Precursor compounds of ester compounds16 Jun 2026US 12,655,092 B2University of Guelph
- Styryl carboxylate derivatives26 May 2026US 12,637,409 B2Renovel Innovations, Inc.
- Low halide lanthanum precursors for vapor deposition19 May 2026US 12,630,568 B2Versum Materials US, LLC
- Cationic Compounds for Anion Exchange Membranes3 Sep 2026US 2026/0257990 A1Agfa-Gevaert
- Methods of making formamidinium lead iodide16 Jul 2026US 2026/0200838 A1PY Materials, LLC
- Methods of making formamidinium iodide and uses thereof9 Jul 2026US 2026/0193174 A1PY Materials, LLC
- Masp-2 inhibitors and methods of use9 Jul 2026US 2026/0193179 A9Omeros Corporation
- Fabp4/5 inhibitors, methods of use and methods of making14 May 2026US 2026/0132106 A1Celloram Inc.
Most cited
By later US patents
- Aryl imidate activated polyalkylene oxides135US 5,637,749 AEnzon, Inc. · 1997
- Benzamides and related inhibitors of factor Xa115US 6,376,515 B2COR Therapeutics, Inc. · 2002
- Aryl imidate activated polyalkylene oxides101US 5,298,643 AEnzon, Inc. · 1994
- Benzamidine derivatives and their use as anti-coagulants92US 5,691,364 ABerlex Laboratories, Inc. · 1997
- Process for preparing xanthine phosphodiesterase V inhibitors and precursors thereof83US 7,074,923 B2Schering Corporation · 2006