C07B 51/00
Introduction of protecting groups or activating groups, not provided for in the
Official title: Introduction of protecting groups or activating groups, not provided for in the preceding groups
C07B51/00 (Introduction of protecting groups or activating groups, not provided for in the) appears on 52 US grants and 66 published applications in this corpus.
Search patents in C07B- Granted patents
- 52
- Published applications
- 66
- Assignees
- 60
- Inventors
- 200
- Latest grant
- 22 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 2 |
| 2015 | 1 | 3 |
| 2016 | 3 | 2 |
| 2017 | 3 | 3 |
| 2018 | 3 | 8 |
| 2019 | 5 | 18 |
| 2020 | 14 | 4 |
| 2021 | 6 | 8 |
| 2022 | 4 | 0 |
| 2023 | 2 | 0 |
| 2024 | 2 | 2 |
| 2025 | 0 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for the synthesis of cyclic depsipeptides22 Oct 2024US 12,122,759 B2Elanco Animal Health GmbH
- Synthesis of coelenterazine26 Mar 2024US 11,939,332 B2International Paper Company
- Benzyl compound28 Feb 2023US 11,591,351 B2Sekisui Medical Co., Ltd.
- Alkyldiphenylmethane protective agent3 Jan 2023US 11,542,287 B2Sekisui Medical Co., Ltd.
- Highly enantioselective access to cyclic beta-amino acids29 Nov 2022US 11,512,041 B2Nanyang Technological University
- Systems and methods for the synthesis of hydroxamic acids5 Mar 2026US 2026/0062400 A1Kennesaw State University Research and Service Foundation, Inc.
- Peptide compound production method20 Mar 2025US 2025/0092088 A1Chubu University Educational Foundation
- Method for removing tert-butoxycarbonyl group13 Mar 2025US 2025/0084012 A1Chugai Seiyaku Kabushiki Kaisha
- Method for the synthesis of cyclic depsipeptides16 Jan 2025US 2025/0019360 A1Elanco Animal Health GmbH
- Synthesis of coelenterazine18 Jul 2024US 2024/0239803 A1International Paper Company
Most cited
By later US patents
- Process for preparation of (R)-1- (aryloxy)propan-2-ol16US 6,448,449 B2Rhodia ChiRex, Inc. · 2002
- Method for producing diphenylmethane derivative3US 10,640,496 B2Daewoong Pharmaceutical Co., Ltd. · 2020
- Xanthene protective agent2US 10,508,124 B2Sekisui Medical Co., Ltd. · 2019
- Diphenylmethane protective agent2US 10,851,120 B2Sekisui Medical Co., Ltd. · 2020
- Alkyldiphenylmethane protective agent2US 10,870,667 B2Sekisui Medical Co., Ltd. · 2020