C07F 9/5442
Aromatic phosphonium compounds
Official title: {Aromatic phosphonium compounds (P-C aromatic linkage)}
C07F9/5442 (Aromatic phosphonium compounds) appears on 244 US grants and 247 published applications in this corpus.
Search patents in C07F- Granted patents
- 244
- Published applications
- 247
- Assignees
- 185
- Inventors
- 597
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 9 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 10 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 5 |
| 2005 | 0 | 2 |
| 2006 | 3 | 12 |
| 2007 | 3 | 9 |
| 2008 | 3 | 8 |
| 2009 | 4 | 8 |
| 2010 | 9 | 8 |
| 2011 | 7 | 13 |
| 2012 | 4 | 8 |
| 2013 | 5 | 10 |
| 2014 | 13 | 13 |
| 2015 | 14 | 15 |
| 2016 | 16 | 21 |
| 2017 | 7 | 13 |
| 2018 | 17 | 7 |
| 2019 | 6 | 11 |
| 2020 | 7 | 8 |
| 2021 | 11 | 17 |
| 2022 | 4 | 14 |
| 2023 | 13 | 10 |
| 2024 | 13 | 11 |
| 2025 | 8 | 9 |
| 2026 | 3 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mitochondria-targeted isoketal/isolevuglandin scavengers and uses thereof3 Mar 2026US 12,564,580 B2Vanderbilt University
- Compounds for inhibiting neovascularization factors and use thereof10 Feb 2026US 12,545,695 B2Smartin Bio Inc.
- Copper complexes for treatment of neurodegenerative disorders13 Jan 2026US 12,522,618 B2ALS Therapy Development Institute
- 11-halo-1,1-dialkoxy-7-undecene compound and processes for preparing a 11,11-dialkoxy-4-undecenyltriarylphosphonium halide compound, a trienal compound, and a dienal compound25 Nov 2025US 12,479,786 B2Shin-Etsu Chemical Co., Ltd.
- Organic-inorganic hybrid bulk assemblies and methods28 Oct 2025US 12,454,645 B2The Florida State University Research Foundation, Inc.
- Immobilized quaternary phosphonium salt having phenol domain, method for producing same, and cyclic carbonate production method using same17 Sep 2026US 2026/0274874 A1Shin-Etsu Chemical Co., Ltd.
- Photobases13 Aug 2026US 2026/0234174 A1Technische UniversitäT Wien
- Antimicrobial conjugated oligoelectrolytes and methods thereof30 Jul 2026US 2026/0215432 A1National University of Singapore
- Crystalline forms of antioxidant compound30 Jul 2026US 2026/0217746 A1Mitotech SA
- Polyphenolic Boronates and Use Thereof23 Jul 2026US 2026/0207640 A1Aix-Marseille Universite
Most cited
By later US patents
- Tris(pentafluorophenyl)borane complexes and catalysts derived therefrom183US 5,296,433 AMinnesota Mining and Manufacturing Company · 1994
- Insecticides158US 4,024,163 ANational Research Development Corporation · 1977
- Functionalized ionic liquids, and methods of use thereof64US 7,208,605 B2University of South Alabama · 2007
- Photoinitiators59US 4,136,102 AGeneral Electric Company · 1979
- Halogenated esters49US 4,183,948 AImperial Chemical Industries PLC · 1980