A61K 51/0455
Having six-membered rings with one nitrogen as the only ring hetero atom
Official title: {having six-membered rings with one nitrogen as the only ring hetero atom}
A61K51/0455 (Having six-membered rings with one nitrogen as the only ring hetero atom) appears on 364 US grants and 613 published applications in this corpus.
Search patents in A61K- Granted patents
- 364
- Published applications
- 613
- Assignees
- 318
- Inventors
- 1,402
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 2 |
| 2002 | 6 | 7 |
| 2003 | 10 | 17 |
| 2004 | 4 | 16 |
| 2005 | 6 | 12 |
| 2006 | 5 | 11 |
| 2007 | 2 | 7 |
| 2008 | 8 | 16 |
| 2009 | 0 | 21 |
| 2010 | 8 | 33 |
| 2011 | 15 | 29 |
| 2012 | 15 | 17 |
| 2013 | 20 | 31 |
| 2014 | 17 | 34 |
| 2015 | 16 | 19 |
| 2016 | 14 | 24 |
| 2017 | 21 | 28 |
| 2018 | 20 | 24 |
| 2019 | 16 | 25 |
| 2020 | 18 | 25 |
| 2021 | 23 | 39 |
| 2022 | 14 | 32 |
| 2023 | 8 | 23 |
| 2024 | 25 | 40 |
| 2025 | 13 | 42 |
| 2026 | 19 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Radioactively labeled ligand for fibroblast activation protein-alpha imaging agent and preparation method therefor30 Jun 2026US 12,667,630 B2Biomolecular Probes Biotechnology (Beijing) Co., Ltd
- Isoindolinone compounds and imaging agents for imaging Huntingtin protein23 Jun 2026US 12,661,415 B2CHDI Foundation, Inc.
- Selective ligands for tau aggregates26 May 2026US 12,636,385 B2Sentonix, Inc.
- System, software and methods of using software for predicting efficacy of alzheimer's disease treatments19 May 2026US 12,629,094 B2Korea University Research and Business Foundation
- Compounds for tau protein degradation12 May 2026US 12,622,901 B2Dana-Farber Cancer Institute, Inc.
- Imaging methods and agents for grading and staging and subsequent treatment of prostate cancer in a patient24 Sep 2026US 2026/0284233 A1
- Isoindolinone compounds and imaging agents for imaging huntingtin protein24 Sep 2026US 2026/0284234 A1CHDI Foundation, Inc.
- Radiolabeled fapi complex, and preparation method therefor and use thereof24 Sep 2026US 2026/0284237 A1Beijing Normal University
- Radiolabeled Fibroblast Activation Protein Inhibitors and Methods of Making Same17 Sep 2026US 2026/0273110 A1The Regents of the University of Michigan
- Targeting lysosomal lipid in alzheimer's disease3 Sep 2026US 2026/0256960 A1The University of North Carolina at Chapel Hill
Most cited
By later US patents
- PSMA-binding agents and uses thereof84US 8,778,305 B2The Johns Hopkins University · 2014
- Amyloid plaque aggregation inhibitors and diagnostic imaging agents50US 6,696,039 B2The Trustees of the University of Pennsylvania · 2004
- PSMA-binding agents and uses thereof50US 9,226,981 B2The Johns Hopkins University · 2016
- HDAC inhibitors and therapeutic methods using the same46US 9,249,087 B2The Board of Trustees of the University of Illinois · 2016
- Beta-agonist carbostyril derivatives, assay method and pharmacological composition40US 4,894,219 AUniversity of Florida · 1990