C07F 9/5018
Cycloaliphatic phosphines
Official title: {Cycloaliphatic phosphines}
C07F9/5018 (Cycloaliphatic phosphines) appears on 57 US grants and 47 published applications in this corpus.
Search patents in C07F- Granted patents
- 57
- Published applications
- 47
- Assignees
- 36
- Inventors
- 156
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 0 |
| 2002 | 4 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 6 |
| 2006 | 3 | 4 |
| 2007 | 4 | 3 |
| 2008 | 2 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 5 |
| 2012 | 0 | 0 |
| 2013 | 6 | 4 |
| 2014 | 0 | 1 |
| 2015 | 3 | 2 |
| 2016 | 1 | 1 |
| 2017 | 0 | 1 |
| 2018 | 2 | 2 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 1 | 3 |
| 2023 | 3 | 4 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tri-(adamantyl) phosphines and applications thereof3 Feb 2026US 12,539,508 B2The Trustees of Princeton University
- Cyclopropane skeleton monophosphine ligands, palladium complexes thereof, preparation methods and application27 May 2025US 12,312,373 B2Nankai University
- Tetradentate diaminodiphosphine ligand and transition metal complex, and method for manufacturing same and application for same18 Jun 2024US 12,012,426 B2Takasago International Corporation
- Tri-(adamantyl)phosphines and applications thereof24 Oct 2023US 11,794,180 B2The Trustees of Princeton University
- Tetradentate diaminodiphosphine ligand and transition metal complex, and method for manufacturing same and application for same2 May 2023US 11,639,362 B2Takasago International Corporation
- Tri-(adamantyl)phosphines and applications thereof16 Apr 2026US 2026/0102762 A1The Trustees of Princeton University
- Novel thiol reductant, method and use thereof29 Jan 2026US 2026/0027227 A1Suzhou Bioreinno Biotechnology Limited Company
- Cyclopropane skeleton monophosphine ligands, palladium complexes thereof, preparation methods and application14 Nov 2024US 2024/0376136 A1Nankai University
- Frustrated lewis pair-impregnated porous materials and uses thereof15 Aug 2024US 2024/0269659 A1University of South Florida
- Tri-(adamantyl)phosphines and applications thereof4 Jan 2024US 2024/0001353 A1The Trustees of Princeton University
Most cited
By later US patents
- Ligands for metals and improved metal-catalyzed processes based thereon93US 7,223,879 B2Massachusetts Institute of Technology · 2007
- Cyclopentadienyl-type ligands, metallocenes, catalyst systems, preparation, and use74US 5,563,284 APhillips Petroleum Company · 1996
- Process for preparing cyclopentadienyl-type ligands73US 5,554,795 APhillips Petroleum Company · 1996
- Trimerisation and oligomerisation of olefins using a chromium based catalyst48US 7,361,623 B2Sasol Technology (Pty) Ltd · 2008
- Catalyst ligands, catalyst compositions, catalyst metal complexes and processes for cross-coupling aromatic boron compounds with aromatic halogens or perfluoroalkylsulfonates29US 6,124,476 ASymyx Technologies, Inc. · 2000