B01J 2231/4233
Kumada-type, i.e. ry + r'mgz, in which ris optionally substituted alkyl, alkenyl
Official title: Kumada-type, i.e. RY + R'MgZ, in which Ris optionally substituted alkyl, alkenyl, aryl, Y is the leaving group and Z is halide
B01J2231/4233 (Kumada-type, i.e. ry + r'mgz, in which ris optionally substituted alkyl, alkenyl) appears on 23 US grants and 24 published applications in this corpus.
Search patents in B01J- Granted patents
- 23
- Published applications
- 24
- Assignees
- 22
- Inventors
- 64
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
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| 1998 | 1 | 0 |
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| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 1 |
| 2023 | 4 | 2 |
| 2024 | 1 | 3 |
| 2025 | 0 | 2 |
| 2026 | 1 | 1 |
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
- 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
- Synthesis of branched alkyl alcohols by Cu(I)-catalyzed C-C coupling between alkyl Grignard reagents and alkyl tosylates9 May 2023US 11,643,379 B2Corning Incorporated
- Preparation and application of mixed-ligand nickel(II) complex containing bisoxazoline-derived nitrogen heterocyclic carbene ligand and phosphite ligand21 Mar 2023US 11,608,349 B2Soochow University
- Tri-(adamantyl)phosphines and applications thereof16 Apr 2026US 2026/0102762 A1The Trustees of Princeton University
- Organometallic compounds, and preparation and use thereof12 Jun 2025US 2025/0188107 A1Umicore AG & Co. KG
- Camptothecin derivative intermediate, and preparation method therefor and use thereof20 Feb 2025US 2025/0059143 A1Shanghai Best-Link Bioscience
- 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
Most cited
By later US patents
- Asymmetric syntheses48US 5,360,938 AUnion Carbide Chemicals & Plastics Technology Corporation · 1994
- Asymmetric syntheses36US 5,491,266 AUnion Carbide Chemicals & Plastics Technology Corporation · 1996
- Catalyst system comprising transition metal and imidazoline-2-ylidene or imidazolidine-2-ylidene27US 6,316,380 B1University of New Orleans Research and Technology Foundation, Inc. · 2001
- Bidentate phosphine ligand12US 5,817,848 ADsm N. V. · 1998
- Catalysis using phosphine oxide compounds6US 6,291,722 B1E. I. Du Pont de Nemours and Company · 2001