B01J 2231/4227
With y= cl
Official title: with Y= Cl
B01J2231/4227 (With y= cl) appears on 41 US grants and 60 published applications in this corpus.
Search patents in B01J- Granted patents
- 41
- Published applications
- 60
- Assignees
- 38
- Inventors
- 122
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 3 |
| 2010 | 0 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 6 |
| 2013 | 5 | 5 |
| 2014 | 4 | 4 |
| 2015 | 4 | 5 |
| 2016 | 7 | 9 |
| 2017 | 3 | 2 |
| 2018 | 3 | 4 |
| 2019 | 3 | 4 |
| 2020 | 1 | 0 |
| 2021 | 2 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 3 |
| 2024 | 1 | 3 |
| 2025 | 1 | 0 |
| 2026 | 1 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Tri-(adamantyl) phosphines and applications thereof3 Feb 2026US 12,539,508 B2The Trustees of Princeton University
- Process for the preparation of biphenylamines1 Jul 2025US 12,344,586 B2Adama Makhteshim Ltd.
- Palladium precatalyst for cross-coupling reaction and synthesis method thereof19 Mar 2024US 11,931,730 B1Providence University
- Tri-(adamantyl)phosphines and applications thereof24 Oct 2023US 11,794,180 B2The Trustees of Princeton University
- Tri-(adamantyl)phosphines and applications thereof21 Feb 2023US 11,583,844 B2The Trustees of Princeton University
- Cyclic biaryl phosphines as ligands for palladium-containing catalysts in cross-coupling reactions11 Jun 2026US 2026/0158481 A1Heraeus Precious Metals GmbH & Co. KG
- Tri-(adamantyl)phosphines and applications thereof16 Apr 2026US 2026/0102762 A1The Trustees of Princeton University
- Heterobidentate imidazo[1,5-a]pyridine and imidazo[1,5-a]quinoline n-heterocyclic carbene (nhc) ligands, catalyst complexes thereof, and methods using same21 Nov 2024US 2024/0383894 A1Rutgers, The State University of New Jersey
- Palladium precatalyst for cross-coupling reaction and synthesis method thereof16 May 2024US 2024/0157349 A1Providence University
- Tri-(adamantyl)phosphines and applications thereof4 Jan 2024US 2024/0001353 A1The Trustees of Princeton University
Most cited
By later US patents
- Transition-metal-catalyzed carbon-nitrogen and carbon-carbon bond-forming reactions11US 7,560,596 B2Massachusetts Institute of Technology · 2009
- Phosphine ligands for catalytic reactions6US 8,841,487 B2AbbVie Inc. · 2014
- Polymer support4US 8,420,802 B2University of Cape Town · 2013
- Process for preparing antiviral compounds3US 8,895,737 B22014
- Phosphine ligands for catalytic reactions3US 8,975,443 B2AbbVie Inc. · 2015