C07F 9/65683
The ring phosphorus atom being part of a phosphine
Official title: {the ring phosphorus atom being part of a phosphine}
C07F9/65683 (The ring phosphorus atom being part of a phosphine) appears on 211 US grants and 177 published applications in this corpus.
Search patents in C07F- Granted patents
- 211
- Published applications
- 177
- Assignees
- 108
- Inventors
- 446
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 1 |
| 2002 | 7 | 8 |
| 2003 | 14 | 16 |
| 2004 | 12 | 23 |
| 2005 | 7 | 12 |
| 2006 | 15 | 7 |
| 2007 | 8 | 9 |
| 2008 | 7 | 7 |
| 2009 | 6 | 7 |
| 2010 | 10 | 8 |
| 2011 | 4 | 1 |
| 2012 | 2 | 7 |
| 2013 | 0 | 6 |
| 2014 | 4 | 6 |
| 2015 | 10 | 13 |
| 2016 | 11 | 4 |
| 2017 | 6 | 2 |
| 2018 | 4 | 8 |
| 2019 | 8 | 4 |
| 2020 | 8 | 10 |
| 2021 | 4 | 4 |
| 2022 | 3 | 5 |
| 2023 | 4 | 3 |
| 2024 | 3 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phosphorus compounds and methods thereof23 Jun 2026US 12,662,499 B2Agency for Science, Technology and Research
- Synthesis and antimicrobial uses of dinuclear silver(I) pyrazolates18 Mar 2025US 12,251,401 B2The Florida International University Board of Trustees
- Metal-assisted delayed fluorescent emitters containing tridentate ligands3 Sep 2024US 12,082,488 B2Arizona Board of Regents on behalf of Arizona State University
- Phosphaviologen derivatives, methods of making the same, and uses thereof20 Feb 2024US 11,905,307 B2
- Chromium complex and catalyst therefrom13 Feb 2024US 11,896,965 B2Dow Global Technologies LLC
- Bulky and small-steric-hindrance ligand and use thereof17 Sep 2026US 2026/0273518 A1Dg Hc Optical Co., Ltd
- Electrochemistry of certain polycyclic aromatic heterocycles as applied to rechargeable cells20 Aug 2026US 2026/0242403 A1
- Phosphine ligands and use thereof in carbonylation of acetylene/ethylene to synthesize acrylate/propionate18 Jun 2026US 2026/0167598 A1Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences
- Metal-assisted delayed fluorescent emitters containing tridentate ligands13 Feb 2025US 2025/0057032 A1Arizona Board of Regents on behalf of Arizona State University
- Phosphorus compounds and methods thereof14 Mar 2024US 2024/0083926 A1Agency for Science, Technology and Research
Most cited
By later US patents
- Metal-assisted delayed fluorescent emitters containing tridentate ligands83US 9,818,959 B2Arizona Board of Regents on behlaf of Arizona State University · 2017
- Metallocenes and catalysts for olefin-polymerisation59US 6,451,724 B1Basell Technology Company BV · 2002
- Materials for organic electroluminescent devices54US 9,126,970 B2Merck Patent GmbH · 2015
- 3,4-dimethyl-2,5,6-tris(p-sulfonatophenyl)-1-phosphanorbornadiene, process for the preparation thereof and process for the hydroformylation of olefinnically unsaturated compounds32US 5,312,951 AHoechst Aktiengesellschaft · 1994
- Chiral phospholanes via chiral 1,4-diol cyclic sulfates31US 5,171,892 AE. I. Du Pont de Nemours and Company · 1992