C07D 213/16
Containing only one pyridine ring
Official title: containing only one pyridine ring
C07D213/16 (Containing only one pyridine ring) appears on 669 US grants and 538 published applications in this corpus.
Search patents in C07D- Granted patents
- 669
- Published applications
- 538
- Assignees
- 420
- Inventors
- 1,999
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 20 | 0 |
| 1978 | 22 | 0 |
| 1979 | 20 | 0 |
| 1980 | 19 | 0 |
| 1981 | 14 | 0 |
| 1982 | 10 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 9 | 0 |
| 1986 | 9 | 0 |
| 1987 | 14 | 0 |
| 1988 | 5 | 0 |
| 1989 | 16 | 0 |
| 1990 | 10 | 0 |
| 1991 | 16 | 0 |
| 1992 | 17 | 0 |
| 1993 | 18 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 1 |
| 2002 | 11 | 5 |
| 2003 | 8 | 8 |
| 2004 | 7 | 15 |
| 2005 | 6 | 20 |
| 2006 | 6 | 22 |
| 2007 | 2 | 8 |
| 2008 | 11 | 24 |
| 2009 | 8 | 26 |
| 2010 | 14 | 19 |
| 2011 | 22 | 25 |
| 2012 | 20 | 21 |
| 2013 | 17 | 14 |
| 2014 | 20 | 40 |
| 2015 | 27 | 35 |
| 2016 | 19 | 29 |
| 2017 | 25 | 27 |
| 2018 | 23 | 29 |
| 2019 | 21 | 27 |
| 2020 | 18 | 39 |
| 2021 | 20 | 18 |
| 2022 | 16 | 22 |
| 2023 | 15 | 19 |
| 2024 | 11 | 21 |
| 2025 | 18 | 13 |
| 2026 | 10 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Chlorantraniliprole process through use of a crystal intermediate22 Sep 2026US 12,741,951 B2FMC Corporation
- Organic electroluminescent element and electronic device using same30 Jun 2026US 12,668,739 B2Idemitsu Kosan Co., Ltd.
- Cannabinoid sulfate esters, their salts and uses thereof16 Jun 2026US 12,655,094 B2London Pharmaceuticals and Research Corporation
- Plurality of host materials and organic electroluminescent device comprising the same12 May 2026US 12,628,556 B2DuPont Specialty Materials Korea Ltd.
- Corrosion inhibitor formulations based on compounds with both pyridinium and hydroxy substituents31 Mar 2026US 12,590,256 B2Saudi Arabian Oil Company
- New compound and pharmaceutical composition comprising same27 Aug 2026US 2026/0250262 A1Samjin Pharmaceutical Co., Ltd.
- Thermal acid generators, coating compositions, and pattern formation methods20 Aug 2026US 2026/0244096 A1
- Plurality of host materials and organic electroluminescent device comprising the same6 Aug 2026US 2026/0231680 A1
- Mitochondria-targeted isoketal/isolevuglandin scavengers and uses thereof16 Jul 2026US 2026/0199307 A1Vanderbilt University
- Formation of nicotine and derivatives16 Jul 2026US 2026/0200852 A1Ready Mix Naturals, LLC
Most cited
By later US patents
- Method for deuteration of a heterocyclic ring304US 7,517,990 B2Wako Pure Chemical Industries, Ltd. · 2009
- Modulators of ATP-binding cassette transporters157US 7,495,103 B2Vertex Pharmaceuticals Incorporated · 2009
- Modulators of ATP-binding cassette transporters105US 8,101,767 B2Vertex Pharmaceuticals Incorporated · 2012
- Quaternary amine containing ether or ester lipid derivatives and therapeutic compositions103US 5,614,548 AWake Forest University · 1997
- Modulators of ATP-binding cassette transporters97US 8,324,242 B2Vertex Pharmaceutical Incorporated · 2012