B01J 2531/0255
Ligands comprising the n2s2 or n2p2 donor atom set
Official title: Ligands comprising the N2S2 or N2P2 donor atom set, e.g. diiminodithiolates or diiminodiphosphines with complete pi-conjugation between all donor centres
B01J2531/0255 (Ligands comprising the n2s2 or n2p2 donor atom set) appears on 21 US grants and 23 published applications in this corpus.
Search patents in B01J- Granted patents
- 21
- Published applications
- 23
- Assignees
- 17
- Inventors
- 72
- Latest grant
- 18 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 1 |
| 2012 | 2 | 0 |
| 2013 | 2 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 2 |
| 2017 | 3 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Tetradentate diaminodiphosphine ligand and transition metal complex, and method for manufacturing same and application for same18 Jun 2024US 12,012,426 B2Takasago International Corporation
- Tetradentate diaminodiphosphine ligand and transition metal complex, and method for manufacturing same and application for same2 May 2023US 11,639,362 B2Takasago International Corporation
- Pincer-type ligand having acridane structure and metal complex using the same7 Mar 2023US 11,596,934 B2Korea Advanced Institute of Science and Technology
- Pincer-type ligand having acridane structure and metal complex using the same13 Apr 2021US 10,974,237 B2Korea Advanced Institute of Science and Technology
- First-row transition metal hydrogenation and hydrosilylation catalysts10 Sep 2019US 10,407,451 B2Arizona Board of Regents on behalf of Arizona State University
- Picolyl ligands and their use in alkoxycarbonylation18 Jun 2026US 2026/0167653 A1Evonik Oxeno GmbH
- Tetradentate diaminodiphosphine ligand and transition metal complex, and method for manufacturing same and application for same13 Jul 2023US 2023/0219983 A1Takasago International Corporation
- Tetradentate diaminodiphosphine ligand and transition metal complex, and method for manufacturing same and application for same17 Mar 2022US 2022/0081454 A1Takasago International Corporation
- Pincer-type ligand having acridane structure and metal complex using the same27 May 2021US 2021/0154650 A1Korea Advanced Institute of Science and Technology
- Pincer-type ligand having acridane structure and metal complex using the same1 Aug 2019US 2019/0232268 A1Korea Advanced Institute of Science and Technology
Most cited
By later US patents
- Method for the production of optically active carbonyl9US 7,534,921 B2BASF SE · 2009
- Method for the production of hydrogen from ammonia borane9US 8,518,368 B2Kanata Chemical Technologies Inc. · 2013
- Spray-drying compositions and methods of spray-drying6US 6,458,738 B1Union Carbide Chemicals & Plastics Technology Corporation · 2002
- Process for hydrogenation of carbonyl and iminocarbonyl compounds using ruthenium catalysts comprising tetradentate diimino-diphosphine ligands6US 6,878,852 B2Firmenich SA · 2005
- Hydrogenation of esters with Ru/tetradentate ligands complexes4US 7,989,665 B2Firmenich SA · 2011