B01J 31/2221
At least one oxygen and one phosphorous atom present as complexing atoms
Official title: {At least one oxygen and one phosphorous atom present as complexing atoms in an at least bidentate or bridging ligand}
B01J31/2221 (At least one oxygen and one phosphorous atom present as complexing atoms) appears on 13 US grants and 19 published applications in this corpus.
Search patents in B01J- Granted patents
- 13
- Published applications
- 19
- Assignees
- 12
- Inventors
- 52
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 4 |
| 2016 | 1 | 2 |
| 2017 | 0 | 1 |
| 2018 | 0 | 0 |
| 2019 | 2 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 3 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Chiral bimetallic cooperative catalysis system containing chelating ligand and use thereof in asymmetric synthesis of bedaquiline16 Jun 2026US 12,654,154 B2Shanghai Jiao Tong University
- Heterobimetallic catalysts and site-differentiated ligands for preparation thereof5 Dec 2023US 11,833,495 B2University of Houston System
- Heterobimetallic catalysts and site-differentiated ligands for preparation thereof1 Aug 2023US 11,712,686 B2University of Houston System
- Compounds for coordinating with a metal, compositions containing such compounds, and methods of catalyzing reactions4 Apr 2023US 11,618,756 B2PPG Industries Ohio, Inc.
- Heterobimetallic catalysts and site-differentiated ligands for preparation thereof14 Jun 2022US 11,358,134 B2University of Houston System
- Chiral bimetallic cooperative catalysis system containing chelating ligand and use thereof in asymmetric synthesis of bedaquiline13 Mar 2025US 2025/0083126 A1Shanghai Jiao Tong University
- Hydroformylation process for preparing linear and branched aldehydes16 Jan 2025US 2025/0019334 A1North Carolina State University
- Heterobimetallic catalysts and site-differentiated ligands for preparation thereof10 Aug 2023US 2023/0249169 A1University of Houston System
- Heterobimetallic catalysts and site-differentiated ligands for preparation thereof1 Sep 2022US 2022/0274097 A1University of Houston System
- Heterobimetallic catalysts and site-differentiated ligands for preparation thereof26 Aug 2021US 2021/0260567 A1University of Houston System
Most cited
By later US patents
- Method for the production of optically active carbonyl9US 7,534,921 B2BASF SE · 2009
- Heterobimetallic catalysts and site-differentiated ligands for preparation thereof5US 11,358,134 B2University of Houston System · 2022
- Monophosphite ligands having a tert-butyloxycarbonyl group5US 9,221,850 B2Evonik Industries AG · 2015
- Heterobimetallic catalysts and site-differentiated ligands for preparation thereof2US 11,712,686 B2University of Houston System · 2023
- Mixture containing a monophosphite ligand and the use thereof for catalysis of a hydroformylation reaction2US 9,221,851 B2Evonik Industries AG · 2015