B01J 2231/4277
C-x cross-coupling
Official title: C-X Cross-coupling, e.g. nucleophilic aromatic amination, alkoxylation or analogues
B01J2231/4277 (C-x cross-coupling) appears on 167 US grants and 197 published applications in this corpus.
Search patents in B01J- Granted patents
- 167
- Published applications
- 197
- Assignees
- 158
- Inventors
- 526
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 3 |
| 2003 | 3 | 3 |
| 2004 | 1 | 4 |
| 2005 | 2 | 2 |
| 2006 | 3 | 2 |
| 2007 | 3 | 5 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 3 | 3 |
| 2011 | 0 | 8 |
| 2012 | 2 | 6 |
| 2013 | 5 | 5 |
| 2014 | 4 | 6 |
| 2015 | 5 | 5 |
| 2016 | 10 | 19 |
| 2017 | 15 | 8 |
| 2018 | 7 | 13 |
| 2019 | 10 | 10 |
| 2020 | 5 | 10 |
| 2021 | 12 | 15 |
| 2022 | 9 | 14 |
| 2023 | 5 | 17 |
| 2024 | 7 | 16 |
| 2025 | 8 | 8 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Immobolized organometallic catalyst and application of same6 Oct 2026US 12,752,265 B2Saudi Arabian Oil Company
- Preparation of aromatic carboxyamides by a palladium-catalyzed carbonylation reaction26 May 2026US 12,637,412 B2BASF SE
- Carbamate production method, carbamate ester production method, and urea derivative production method12 May 2026US 12,623,999 B2National Institute of Advanced Industrial Science and Technology
- Method for producing fluorine-containing olefin31 Mar 2026US 12,590,047 B2AGC Inc.
- Air-stable ni(0)-olefin complexes and their use as catalysts or precatalysts24 Feb 2026US 12,558,677 B2Studiengesellschaft Kohle mbH
- Design and synthesis of electron-rich phosphine ligands for selective, sustainable cross-coupling reactions1 Oct 2026US 2026/0295571 A1The Curators of the University of Missouri
- Preparation method for anti-tumor drug intermediate6 Aug 2026US 2026/0226021 A1Porton Pharma Solutions Ltd.
- Catalyst system and process for producing bisphenol-a11 Jun 2026US 2026/0158479 A1Badger Licensing LLC
- Cyclic biaryl phosphines as ligands for palladium-containing catalysts in cross-coupling reactions11 Jun 2026US 2026/0158481 A1Heraeus Precious Metals GmbH & Co. KG
- Ylide-functionalized phosphanes for use in metal complexes and homogeneous catalysis30 Apr 2026US 2026/0115706 A1Umicore AG & Co. KG
Most cited
By later US patents
- Supported catalyst27US 4,303,551 AVaren Technology · 1981
- Alkoxylation using calcium catalysts and products therefrom27US 4,754,075 AUnion Carbide Corporation · 1988
- Alkoxylation using calcium catalysts and products therefrom27US 4,886,917 AUnion Carbide Chemicals and Plastics Company Inc. · 1989
- 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
- Catalyst composition and curable polymer compositions containing same25US 4,395,528 AM&T Chemicals Inc. · 1983