C07C 257/12
Having carbon atoms of amidino groups bound to hydrogen atoms
Official title: having carbon atoms of amidino groups bound to hydrogen atoms
C07C257/12 (Having carbon atoms of amidino groups bound to hydrogen atoms) appears on 76 US grants and 85 published applications in this corpus.
Search patents in C07C- Granted patents
- 76
- Published applications
- 85
- Assignees
- 51
- Inventors
- 278
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 2 | 2 |
| 2004 | 0 | 1 |
| 2005 | 3 | 3 |
| 2006 | 2 | 4 |
| 2007 | 2 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 2 |
| 2010 | 2 | 10 |
| 2011 | 3 | 2 |
| 2012 | 6 | 6 |
| 2013 | 5 | 4 |
| 2014 | 6 | 6 |
| 2015 | 3 | 2 |
| 2016 | 3 | 2 |
| 2017 | 4 | 3 |
| 2018 | 1 | 6 |
| 2019 | 3 | 3 |
| 2020 | 3 | 7 |
| 2021 | 3 | 4 |
| 2022 | 2 | 3 |
| 2023 | 2 | 3 |
| 2024 | 1 | 3 |
| 2025 | 2 | 1 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for synthesizing perovskite precursor solution of formamidine-based ionic liquid, celldevice, and solar cell11 Aug 2026US 12,707,875 B2Nanjing Tech University
- Low halide lanthanum precursors for vapor deposition19 May 2026US 12,630,568 B2Versum Materials US, LLC
- 3-substituted phenylamidine compounds, preparation and use thereof10 Feb 2026US 12,545,639 B2Pi Industries Ltd.
- Method for controlling phakopsora pachyrhizi having resistance against QoI fungicide14 Oct 2025US 12,439,917 B2Sumitomo Chemical Company, Limited
- Method for synthesis of organic iodides, a perovskite-forming composition comprising an organic iodide and a photovoltaic cell with a perovskite layer obtained therefrom21 Jan 2025US 12,202,783 B2Saule S.A.
- Methods of making formamidinium lead iodide16 Jul 2026US 2026/0200838 A1PY Materials, LLC
- Methods of making formamidinium iodide and uses thereof9 Jul 2026US 2026/0193174 A1PY Materials, LLC
- Application of additive, formamidinium iodide and preparation method therefor, perovskite solar cell, solar power generation apparatus, and electrical apparatus30 Apr 2026US 2026/0116849 A1Contemporary Amperex Technology Co., Limited
- Method for synthesizing perovskite precursor solution of formamidine-based ionic liquid, celldevice, and solar cell11 Sep 2025US 2025/0287825 A1Nanjing Tech University
- Formation of amidines and intramolecular reaction thereof12 Sep 2024US 2024/0300888 A1Iowa State University Research Foundation, Inc.
Most cited
By later US patents
- Process for preparing xanthine phosphodiesterase V inhibitors and precursors thereof83US 7,074,923 B2Schering Corporation · 2006
- HIV inhibiting pyrimidines derivatives78US 7,125,879 B2Janssen Pharmaceutica NV · 2006
- Metal complexes with N-Aminoamidinate ligands35US 9,353,139 B2Umicore AG & Co. KG · 2016
- Indolyl derivatives and their use as 5-HT.sub.3, receptor antagonists19US 5,047,410 AIstituto de Angeli S.p.A. · 1991
- N2-phenylamidine derivatives16US 6,893,650 B1Bayer CropScience AG · 2005