C07F 9/5022
Aromatic phosphines
Official title: {Aromatic phosphines (P-C aromatic linkage)}
C07F9/5022 (Aromatic phosphines) appears on 366 US grants and 317 published applications in this corpus.
Search patents in C07F- Granted patents
- 366
- Published applications
- 317
- Assignees
- 217
- Inventors
- 870
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 10 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 12 | 0 |
| 2001 | 13 | 5 |
| 2002 | 11 | 8 |
| 2003 | 9 | 4 |
| 2004 | 5 | 14 |
| 2005 | 9 | 13 |
| 2006 | 11 | 10 |
| 2007 | 8 | 8 |
| 2008 | 6 | 15 |
| 2009 | 8 | 14 |
| 2010 | 10 | 17 |
| 2011 | 9 | 18 |
| 2012 | 10 | 11 |
| 2013 | 17 | 24 |
| 2014 | 17 | 24 |
| 2015 | 19 | 16 |
| 2016 | 18 | 23 |
| 2017 | 13 | 9 |
| 2018 | 15 | 19 |
| 2019 | 9 | 12 |
| 2020 | 10 | 6 |
| 2021 | 12 | 13 |
| 2022 | 8 | 9 |
| 2023 | 8 | 8 |
| 2024 | 6 | 8 |
| 2025 | 6 | 5 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing sulfonated arylphosphine19 May 2026US 12,630,572 B2Hanwha Solutions Corporation
- Sulfinylaminobenzamide and sulfonylaminobenzamide derivatives21 Apr 2026US 12,606,522 B2OrsoBio, Inc.
- Method for manufacturing alkenyl phosphorus compound7 Apr 2026US 12,595,274 B2Maruzen Petrochemical Co., Ltd.
- Acylphosphine oxide compounds and preparation methods thereof16 Dec 2025US 12,497,416 B2Anhui Chichem Corporation
- Reagents and their use for modular enantiodivergent synthesis of C—P bonds9 Dec 2025US 12,492,217 B2Bristol-Myers Squibb Company
- Sulfinylaminobenzamide and sulfonylaminobenzamide derivatives16 Jul 2026US 2026/0200844 A1OrsoBio, Inc.
- Reduction of triphenylphosphine oxide with specific catalyst16 Jul 2026US 2026/0200960 A1Dsm IP Assets B.V.
- Reagents and their use for modular enantiodivergent synthesis of c-p bonds21 May 2026US 2026/0138999 A1Bristol-Myers Squibb Company
- Novel thiol reductant, method and use thereof29 Jan 2026US 2026/0027227 A1Suzhou Bioreinno Biotechnology Limited Company
- A novel thiol reductant, preparation method and use thereof23 Oct 2025US 2025/0326775 A1Suzhou Bioreinno Biotechnology Limited Company
Most cited
By later US patents
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Small organometallic probes117US 5,521,289 ANanoprobes, Inc. · 1996
- Catalytic hydroformylation of olefins102US 4,248,802 ARhone-Poulenc Industries · 1981
- Ligands for metals and improved metal-catalyzed processes based thereon100US 6,395,916 B1Massachusetts Institute of Technology · 2002
- Ligands for metals and improved metal-catalyzed processes based thereon93US 7,223,879 B2Massachusetts Institute of Technology · 2007