C07D 307/81
Radicals substituted by nitrogen atoms not forming part of a nitro radical
C07D307/81 (Radicals substituted by nitrogen atoms not forming part of a nitro radical) appears on 534 US grants and 514 published applications in this corpus.
Search patents in C07D- Granted patents
- 534
- Published applications
- 514
- Assignees
- 306
- Inventors
- 1,876
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 23 | 0 |
| 1998 | 16 | 0 |
| 1999 | 13 | 0 |
| 2000 | 11 | 0 |
| 2001 | 16 | 3 |
| 2002 | 10 | 16 |
| 2003 | 16 | 22 |
| 2004 | 14 | 39 |
| 2005 | 5 | 30 |
| 2006 | 16 | 31 |
| 2007 | 11 | 19 |
| 2008 | 20 | 21 |
| 2009 | 20 | 30 |
| 2010 | 16 | 15 |
| 2011 | 17 | 19 |
| 2012 | 13 | 22 |
| 2013 | 13 | 26 |
| 2014 | 18 | 21 |
| 2015 | 19 | 20 |
| 2016 | 19 | 22 |
| 2017 | 16 | 22 |
| 2018 | 20 | 13 |
| 2019 | 12 | 14 |
| 2020 | 12 | 16 |
| 2021 | 15 | 11 |
| 2022 | 8 | 8 |
| 2023 | 8 | 15 |
| 2024 | 10 | 25 |
| 2025 | 16 | 24 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Oral complement factor D inhibitors24 Feb 2026US 12,558,341 B2BioCryst Pharmaceuticals, Inc.
- Small molecule inhibitors of the androgen receptor activity and/or expression and uses thereof13 Jan 2026US 12,521,386 B2Arizona Board of Regents on Behalf of the University of Arizona
- Copper complexes for treatment of neurodegenerative disorders13 Jan 2026US 12,522,618 B2ALS Therapy Development Institute
- Materials for electronic devices3 Sep 2026US 2026/0262375 A1Merck Patent GmbH
- Catalyst for sp3-carbon-hydrogen-bond primary amination reaction, and method for preparing primary amine compound13 Aug 2026US 2026/0234096 A1West China Second University Hospital, Sichuan University
- Noncovalent Keap1-Nrf2 Small-Molecule Inhibitors9 Jul 2026US 2026/0193170 A1University of Copenhagen
- Advantageous benzofuran compositions for mental disorders or enhancement25 Jun 2026US 2026/0176243 A1Tactogen Inc
- Oral complement factor d inhibitors18 Jun 2026US 2026/0165999 A1BioCryst Pharmaceuticals, Inc.
Most cited
By later US patents
- Deacetylase inhibitors168US 6,552,065 B2Novartis AG · 2003
- Indole, benzofuran, benzothiophene containing lipoxygenase inhibiting compounds108US 4,873,259 AAbbott Laboratories · 1989
- Alkylaminoalkyl derivatives of benzofuran, benzothiophene, indole and indolizine, process for their preparation and compositions containing them101US 5,223,510 ASanofi · 1993
- Aryl-carbaldehyde oxime derivatives and their use as estrogenic agents94US 7,157,491 B2Wyeth · 2007
- N-phenpropylcyclopentyl-substituted glutaramide derivatives as inhibitors of neutral endopeptidase82US 6,660,756 B2Pfizer Inc. · 2003