B01J 31/189
Containing both nitrogen and phosphorus as complexing atoms, including e.g. phosphino moieties
Official title: {containing both nitrogen and phosphorus as complexing atoms, including e.g. phosphino moieties, in one at least bidentate or bridging ligand}
B01J31/189 (Containing both nitrogen and phosphorus as complexing atoms, including e.g. phosphino moieties) appears on 257 US grants and 284 published applications in this corpus.
Search patents in B01J- Granted patents
- 257
- Published applications
- 284
- Assignees
- 153
- Inventors
- 703
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 3 | 2 |
| 2003 | 2 | 1 |
| 2004 | 1 | 5 |
| 2005 | 2 | 6 |
| 2006 | 0 | 3 |
| 2007 | 4 | 3 |
| 2008 | 3 | 6 |
| 2009 | 5 | 6 |
| 2010 | 4 | 16 |
| 2011 | 7 | 12 |
| 2012 | 8 | 10 |
| 2013 | 10 | 11 |
| 2014 | 13 | 19 |
| 2015 | 16 | 13 |
| 2016 | 13 | 21 |
| 2017 | 18 | 19 |
| 2018 | 13 | 17 |
| 2019 | 25 | 23 |
| 2020 | 16 | 12 |
| 2021 | 14 | 12 |
| 2022 | 15 | 15 |
| 2023 | 12 | 17 |
| 2024 | 10 | 13 |
| 2025 | 7 | 12 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enantioselective hydrogenation of 4-substituted 1,2-dihydroquinolines in presence of a chiral iridium catalyst2 Jun 2026US 12,643,860 B2Bayer Aktiengesellschaft
- Formate production method, formic acid production method, and antifreezing agent production method21 Apr 2026US 12,606,513 B2Nitto Denko Corporation
- Chiral multidentate ligand, and application thereof in asymmetric hydrogenation16 Dec 2025US 12,497,424 B2Shenzhen Catalys Technology Co., Ltd
- Ligands for production of 1-octene in chromium assisted ethylene oligomerization process14 Oct 2025US 12,440,830 B2Sabic Global Technologies B.V.
- Hydrogenation of imines with RU complexes14 Oct 2025US 12,441,700 B2Firmenichi SA
- Ammonia synthesis catalyst, ammonia production device, and ammonia production method6 Aug 2026US 2026/0225088 A1Idemitsu Kosan Co., Ltd.
- Catalyst system and method for carbonylation reaction23 Jul 2026US 2026/0208174 A1Shandong Nhu Fine Chemical Science and Technology Company Ltd.
- Synthesis methods and intermediates for the production of remimbrutinib23 Jul 2026US 2026/0209185 A1Novartis AG
- Acridine-based ru-pincer catalysts for reversible hydrogen storage based on ethylene glycol16 Jul 2026US 2026/0200727 A1Yeda Research and Development Co. Ltd.
- Picolyl ligands and their use in alkoxycarbonylation18 Jun 2026US 2026/0167653 A1Evonik Oxeno GmbH
Most cited
By later US patents
- Substituted aminomethylphosphines, compositions and coordination complexes of same, their synthesis and processes using same82US 6,043,363 ASymyx Technologies, Inc. · 2000
- Substituted aminomethylphosphines, coordination complexes of aminomethylphosphines and their synthesis77US 6,034,240 ASymyx Technologies, Inc. · 2000
- Trimerisation and oligomerisation of olefins using a chromium based catalyst48US 7,361,623 B2Sasol Technology (Pty) Ltd · 2008
- Phosphinyl amidine compounds, metal complexes, catalyst systems, and their use to oligomerize or polymerize olefins42US 8,680,003 B2Chevron Phillips Chemical Company LP · 2014
- Olefin oligomerization in the presence of novel complexes38US 5,557,023 AThe Governors of the University of Alberta · 1996