C07B 49/00
Grignard reactions
C07B49/00 (Grignard reactions) appears on 57 US grants and 45 published applications in this corpus.
Search patents in C07B- Granted patents
- 57
- Published applications
- 45
- Assignees
- 51
- Inventors
- 165
- Latest grant
- 20 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 6 | 0 |
| 2003 | 2 | 3 |
| 2004 | 0 | 0 |
| 2005 | 2 | 4 |
| 2006 | 1 | 0 |
| 2007 | 0 | 3 |
| 2008 | 4 | 3 |
| 2009 | 3 | 4 |
| 2010 | 0 | 5 |
| 2011 | 3 | 0 |
| 2012 | 3 | 0 |
| 2013 | 1 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 2 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 3 |
| 2019 | 4 | 4 |
| 2020 | 3 | 4 |
| 2021 | 1 | 2 |
| 2022 | 3 | 2 |
| 2023 | 2 | 2 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for the synthesis of buprenorphine20 Feb 2024US 11,905,296 B2Azad Pharma AG
- Intermediates for the vitamin A synthesis26 Dec 2023US 11,851,404 B2Dsm IP Assets B.V.
- Continuous method for producing Grignard adducts and a device for carrying out same6 Jun 2023US 11,667,653 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Methods for preparing substituted pyridinone-containing tricyclic compounds22 Nov 2022US 11,505,551 B2Arbutus Biopharma Corporation
- Method for preparing a non-radioactive standard β-CFT11 Oct 2022US 11,466,002 B2Institute of Nuclear Energy Research, Atomic Energy Council, Executive Yuan, R. O. C.
- Scalable methods of manufacturing psilocybin16 Oct 2025US 2025/0320240 A1
- Method for producing ketone derivative25 Jan 2024US 2024/0025873 A1Osaka University
- Method for producing organometallic nucleophile and reaction method using organometallic nucleophile31 Aug 2023US 2023/0271988 A1National University Corporation Hokkaido University
- Process for the synthesis of buprenorphine9 Mar 2023US 2023/0071914 A1Azad Pharma AG
- Intermediates for the vitamin a synthesis2 Jun 2022US 2022/0169590 A1Dsm IP Assets B.V.
Most cited
By later US patents
- 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
- Substituted polythiophenes from highly reactive zinc reagents19US 5,756,653 ABoard of Regents of the University of Nebraska · 1998
- Process for preparing biaryl compounds18US 5,922,898 ACatalytica Pharmaceuticals, Inc. · 1999
- Highly reactive forms of zinc and reagents thereof16US 5,358,546 ABoard of Regents of the University of Nebraska · 1994
- Process for preparing biaryl compounds16US 6,194,599 B1Catalytica, Inc. · 2001