C07D 255/00
Heterocyclic compounds containing rings having three nitrogen atoms as the only ring
Official title: Heterocyclic compounds containing rings having three nitrogen atoms as the only ring hetero atoms, not provided for by groups C07D249/00 - C07D253/00
C07D255/00 (Heterocyclic compounds containing rings having three nitrogen atoms as the only ring) appears on 232 US grants and 232 published applications in this corpus.
Search patents in C07D- Granted patents
- 232
- Published applications
- 232
- Assignees
- 199
- Inventors
- 761
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 10 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 4 | 4 |
| 2003 | 7 | 3 |
| 2004 | 0 | 2 |
| 2005 | 0 | 6 |
| 2006 | 1 | 1 |
| 2007 | 3 | 8 |
| 2008 | 1 | 4 |
| 2009 | 5 | 9 |
| 2010 | 1 | 11 |
| 2011 | 4 | 7 |
| 2012 | 7 | 13 |
| 2013 | 9 | 20 |
| 2014 | 15 | 11 |
| 2015 | 15 | 19 |
| 2016 | 13 | 15 |
| 2017 | 12 | 12 |
| 2018 | 9 | 12 |
| 2019 | 8 | 8 |
| 2020 | 8 | 12 |
| 2021 | 6 | 6 |
| 2022 | 6 | 10 |
| 2023 | 4 | 9 |
| 2024 | 7 | 14 |
| 2025 | 6 | 12 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nitrogen-branched non-linear pegylated lipid containing a tertiary amine and application thereof18 Aug 2026US 12,708,675 B2Xiamen Sinopeg Biotech Co., Ltd.
- Method for synthesizing zirconium complex21 Apr 2026US 12,606,575 B2JFE Engineering Corporation
- Triazacyclododecansulfonamide (TCD)-based protein secretion inhibitors14 Apr 2026US 12,600,711 B2Kezar Life Sciences
- Granules comprising protonated triazacyclic compounds and bleaching agent and cleaning agent comprising the same17 Mar 2026US 12,577,505 B2Catexel Limited
- Use of triazole compound as ghrelin receptor agonist10 Mar 2026US 12,570,617 B2Kyungpook National University Industry-Academic Cooperation Foundation
- Protein folding agent, compound, protein folding method, pharmaceutical composition, and agent for suppressing cytotoxicity by transition metal3 Sep 2026US 2026/0258077 A1National University Corporation Tokyo University of Agriculture and Technology
- Molybdenum (0) Precursors For Deposition Of Molybdenum Films12 Feb 2026US 2026/0042789 A1APPLIED Materials.Inc.
- Amphiphilic compounds for attenuating neurotoxicity of amyloid-beta oligomers and diagnostic methods29 Jan 2026US 2026/0027243 A1The Board of Trustees of the University of Illinois
- Nemo coiled coil mimics and methods of using same1 Jan 2026US 2026/0001924 A1Cornell University
- Dendrimer for therapy and imaging13 Nov 2025US 2025/0345467 A1Starpharma Pty Limited
Most cited
By later US patents
- Gadolinium chelates as NMR contrast agents112US 4,639,365 ABoard of Regents, The University of Texas System · 1987
- Photographic element and process comprising a compound which comprises two timing groups in sequence90US 4,861,701 AEastman Kodak Company · 1989
- Antiviral compounds81US 5,817,807 AAnorMED, Inc. · 1998
- Radiolabeled prostate specific membrane antigen inhibitors56US 8,926,944 B2Molecular Insight Pharmaceuticals, Inc. · 2015
- Compounds with chelation affinity and selectivity for first transition series elements: use in medical therapy49US 5,874,573 AConcat, Ltd. · 1999