C07F 9/553
Having one nitrogen atom as the only ring hetero atom
Official title: having one nitrogen atom as the only ring hetero atom
C07F9/553 (Having one nitrogen atom as the only ring hetero atom) appears on 2,431 US grants and 1,856 published applications in this corpus.
Search patents in C07F- Granted patents
- 2,431
- Published applications
- 1,856
- Assignees
- 1,028
- Inventors
- 5,644
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 53 | 0 |
| 1977 | 26 | 0 |
| 1978 | 35 | 0 |
| 1979 | 31 | 0 |
| 1980 | 37 | 0 |
| 1981 | 39 | 0 |
| 1982 | 27 | 0 |
| 1983 | 40 | 0 |
| 1984 | 49 | 0 |
| 1985 | 52 | 0 |
| 1986 | 35 | 0 |
| 1987 | 53 | 0 |
| 1988 | 39 | 0 |
| 1989 | 47 | 0 |
| 1990 | 41 | 0 |
| 1991 | 35 | 0 |
| 1992 | 39 | 0 |
| 1993 | 41 | 0 |
| 1994 | 44 | 0 |
| 1995 | 60 | 0 |
| 1996 | 53 | 0 |
| 1997 | 56 | 0 |
| 1998 | 60 | 0 |
| 1999 | 49 | 0 |
| 2000 | 45 | 0 |
| 2001 | 37 | 8 |
| 2002 | 49 | 62 |
| 2003 | 52 | 64 |
| 2004 | 46 | 79 |
| 2005 | 35 | 83 |
| 2006 | 54 | 77 |
| 2007 | 34 | 55 |
| 2008 | 53 | 69 |
| 2009 | 49 | 81 |
| 2010 | 56 | 62 |
| 2011 | 43 | 52 |
| 2012 | 56 | 71 |
| 2013 | 58 | 88 |
| 2014 | 65 | 95 |
| 2015 | 77 | 86 |
| 2016 | 61 | 88 |
| 2017 | 65 | 93 |
| 2018 | 71 | 87 |
| 2019 | 75 | 74 |
| 2020 | 60 | 58 |
| 2021 | 44 | 57 |
| 2022 | 40 | 70 |
| 2023 | 46 | 85 |
| 2024 | 45 | 83 |
| 2025 | 44 | 81 |
| 2026 | 30 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Methods for treating anxiety disorders, headache disorders, and eating disorders with psilocybin6 Oct 2026US 12,751,960 B2Compass Pathfinder Limited
- Light-emitting device and electronic apparatus including the same22 Sep 2026US 12,745,559 B2Samsung Display Co., Ltd.
- Solid supports and phosphoramidite building blocks for oligonucleotide conjugates15 Sep 2026US 12,735,387 B2AM Chemicals LLC
- Chiral synthons for the synthesis of chiral phosphorothioates25 Aug 2026US 12,715,885 B2Boehringer Ingelheim International GmbH
- Phosphate compounds for detecting neurological disorders18 Aug 2026US 12,708,676 B2Amydis, Inc.
- Non-Peptide Small Molecule FGF14:Nav1.6 Channel Complex Protein-Protein Interaction Modulators1 Oct 2026US 2026/0297027 A1Board of Regents, The University of Texas System
- Conjugates including a detectable moiety1 Oct 2026US 2026/0297063 A1Ventana Medical Systems, Inc.
- Aryl hydrocarbon receptor agonist prodrugs and methods of use thereof10 Sep 2026US 2026/0263431 A1Allianthera Boston Inc.
- Enhanced inhibitors of enpp1 and uses thereof10 Sep 2026US 2026/0263604 A1Petragen, Inc.
- Preparation of psilocybin, different polymorphic forms, intermediates, formulations and their use10 Sep 2026US 2026/0265276 A1Compass Pathfinder Limited
Most cited
By later US patents
- Liposomes with enhanced circulation time1,198US 5,013,556 ALiposome Technology, Inc. · 1991
- Pyrrolidine-containing monomers and oligomers675US 5,519,134 AIsis Pharmaceuticals, Inc. · 1996
- Electrochromic device368US 6,870,657 B1University College Dublin · 2005
- Solid tumor treatment method and composition279US 5,213,804 ALiposome Technology, Inc. · 1993
- Methods for generating high titer helper-free preparations of released recombinant AAV vectors183US 6,566,118 B1Targeted Genetics Corporation · 2003