C07D 211/46
Having a hydrogen atom as the second substituent in position 4
Official title: having a hydrogen atom as the second substituent in position 4
C07D211/46 (Having a hydrogen atom as the second substituent in position 4) appears on 1,329 US grants and 1,037 published applications in this corpus.
Search patents in C07D- Granted patents
- 1,329
- Published applications
- 1,037
- Assignees
- 594
- Inventors
- 3,622
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 23 | 0 |
| 1978 | 31 | 0 |
| 1979 | 17 | 0 |
| 1980 | 29 | 0 |
| 1981 | 24 | 0 |
| 1982 | 28 | 0 |
| 1983 | 26 | 0 |
| 1984 | 15 | 0 |
| 1985 | 27 | 0 |
| 1986 | 13 | 0 |
| 1987 | 12 | 0 |
| 1988 | 16 | 0 |
| 1989 | 12 | 0 |
| 1990 | 18 | 0 |
| 1991 | 22 | 0 |
| 1992 | 17 | 0 |
| 1993 | 32 | 0 |
| 1994 | 20 | 0 |
| 1995 | 24 | 0 |
| 1996 | 21 | 0 |
| 1997 | 32 | 0 |
| 1998 | 23 | 0 |
| 1999 | 28 | 0 |
| 2000 | 18 | 0 |
| 2001 | 22 | 6 |
| 2002 | 44 | 41 |
| 2003 | 35 | 60 |
| 2004 | 26 | 62 |
| 2005 | 42 | 64 |
| 2006 | 27 | 68 |
| 2007 | 32 | 58 |
| 2008 | 28 | 56 |
| 2009 | 52 | 56 |
| 2010 | 43 | 47 |
| 2011 | 40 | 47 |
| 2012 | 30 | 38 |
| 2013 | 44 | 33 |
| 2014 | 34 | 45 |
| 2015 | 41 | 35 |
| 2016 | 29 | 42 |
| 2017 | 34 | 41 |
| 2018 | 26 | 38 |
| 2019 | 30 | 26 |
| 2020 | 25 | 22 |
| 2021 | 19 | 26 |
| 2022 | 23 | 35 |
| 2023 | 22 | 33 |
| 2024 | 14 | 21 |
| 2025 | 12 | 21 |
| 2026 | 10 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Antidiabetic 3,4,5-trihydroxypiperidines252US 4,639,436 ABayer Aktiengesellschaft · 1987
- Sigma receptor ligands and the use thereof150US 6,057,371 AVirginia Commonwealth University · 2000
- Muscarinic receptor antagonists138US 6,693,202 B1Theravance, Inc. · 2004
- Prodrug derivatives of carboxylic acid drugs122US 5,073,641 A1991
- Substituted 2-aminoacetamides and the use thereof101US 6,500,825 B2Euro-Celtique S. A. · 2002