C07D 213/22
Containing two or more pyridine rings directly linked together
Official title: containing two or more pyridine rings directly linked together, e.g. bipyridyl
C07D213/22 (Containing two or more pyridine rings directly linked together) appears on 227 US grants and 216 published applications in this corpus.
Search patents in C07D- Granted patents
- 227
- Published applications
- 216
- Assignees
- 178
- Inventors
- 717
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 1 | 0 |
| 1979 | 7 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 3 |
| 2003 | 6 | 2 |
| 2004 | 2 | 6 |
| 2005 | 3 | 3 |
| 2006 | 3 | 7 |
| 2007 | 1 | 5 |
| 2008 | 0 | 3 |
| 2009 | 3 | 10 |
| 2010 | 4 | 9 |
| 2011 | 4 | 13 |
| 2012 | 12 | 15 |
| 2013 | 5 | 6 |
| 2014 | 5 | 9 |
| 2015 | 7 | 7 |
| 2016 | 5 | 13 |
| 2017 | 8 | 14 |
| 2018 | 10 | 14 |
| 2019 | 15 | 20 |
| 2020 | 9 | 10 |
| 2021 | 11 | 7 |
| 2022 | 9 | 17 |
| 2023 | 9 | 7 |
| 2024 | 6 | 5 |
| 2025 | 8 | 6 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heterocylic compound and light-emitting device and electronic apparatus including the heterocyclic compound10 Mar 2026US 12,570,630 B2Samsung Display Co., Ltd.
- Aminothiazole compounds as inhibitors of CTPS123 Dec 2025US 12,503,466 B2Step Pharma S.A.S.
- Organic electroluminescent element and electronic device9 Dec 2025US 12,492,162 B2Idemitsu Kosan Co., Ltd.
- Bicyclic heterocyclic compounds useful as IRAK4 inhibitors9 Dec 2025US 12,492,186 B2Bristol-Myers Squibb Company
- Metal complexes25 Nov 2025US 12,479,873 B2UDC Ireland Limited
- Non-bipyridyl salt herbicide, preparation method therefor, and use thereof30 Jul 2026US 2026/0215427 A1Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences
- Electrochromic Devices and Compositions Including Anodic Components As Cathodic Component Counter-Anions16 Jul 2026US 2026/0201244 A1Vitro Flat Glass LLC
- Method for producing homocoupling reaction product9 Jul 2026US 2026/0193241 A1National University Corporation Hokkaido University
- Molybdenum (0) Precursors For Deposition Of Molybdenum Films12 Feb 2026US 2026/0042789 A1APPLIED Materials.Inc.
- Fto inhibitors5 Feb 2026US 2026/0035341 A1Rpxds Co., Ltd
Most cited
By later US patents
- Electrochromic compounds298US 5,998,617 AGentex Corporation · 1999
- Transition metal complexes having 2,2'-bipyridine ligands substituted by at least one ammonium alkyl radical181US 5,410,059 AAsulab S. A. · 1995
- Electrochemiluminescent rhenium moieties and methods for their use120US 5,591,581 AIgen, Inc. · 1997
- Electrochromic compounds117US 6,037,471 AGentex Corporation · 2000
- Electrochromic media for producing a preselected color105US 6,141,137 AGentex Corporation · 2000