C07C 67/31
By introduction of functional groups containing oxygen only in singly bound form
Official title: by introduction of functional groups containing oxygen only in singly bound form
C07C67/31 (By introduction of functional groups containing oxygen only in singly bound form) appears on 469 US grants and 460 published applications in this corpus.
Search patents in C07C- Granted patents
- 469
- Published applications
- 460
- Assignees
- 351
- Inventors
- 1,571
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 12 | 0 |
| 1994 | 2 | 0 |
| 1995 | 10 | 0 |
| 1996 | 12 | 0 |
| 1997 | 7 | 0 |
| 1998 | 16 | 0 |
| 1999 | 6 | 0 |
| 2000 | 12 | 0 |
| 2001 | 14 | 0 |
| 2002 | 16 | 13 |
| 2003 | 11 | 18 |
| 2004 | 15 | 24 |
| 2005 | 14 | 15 |
| 2006 | 10 | 21 |
| 2007 | 8 | 8 |
| 2008 | 10 | 18 |
| 2009 | 13 | 23 |
| 2010 | 11 | 27 |
| 2011 | 12 | 16 |
| 2012 | 17 | 19 |
| 2013 | 21 | 27 |
| 2014 | 19 | 21 |
| 2015 | 20 | 20 |
| 2016 | 20 | 20 |
| 2017 | 17 | 20 |
| 2018 | 18 | 18 |
| 2019 | 16 | 18 |
| 2020 | 17 | 18 |
| 2021 | 8 | 18 |
| 2022 | 11 | 17 |
| 2023 | 7 | 15 |
| 2024 | 10 | 26 |
| 2025 | 8 | 10 |
| 2026 | 1 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Frothers for minerals recovery and methods of making and using same19 May 2026US 12,629,698 B2Syensqo SA
- Method for obtaining oleacein and oleomissional type secoiridoids and for producing respective pharmaceutical preparations11 Nov 2025US 12,466,779 B2Omphax SA
- Methods of making bempedoic acid and compositions of the same2 Sep 2025US 12,404,227 B2Esperion Therapeutics, Inc.
- Methods of making bempedoic acid and compositions of the same26 Aug 2025US 12,398,087 B2Esperion Therapeutics, Inc.
- Method for producing aromatic bis ether compound26 Aug 2025US 12,398,088 B2Honshu Chemical Industry Co., Ltd.
- Compound, composition, method for expressing sensitizing effect and production method8 Oct 2026US 2026/0308100 A1Mitsubishi Gas Chemical Company, Inc.
- Method for producing polycarboxylic acid ester compound20 Aug 2026US 2026/0242326 A1Honshu Chemical Industry Co., Ltd.
- Method for producing polycarboxylic acid ester compound23 Jul 2026US 2026/0209159 A1Honshu Chemical Industry Co., Ltd.
- Processes for making endochin-like quinolones from alkyl 3-(3-alkoxyphenyl)amino)-2-(4-(4-alkoxy)phenoxy)phenyl)but-2-enoate23 Jul 2026US 2026/0209161 A1Intervet Inc.
- Polyol-Derived Compounds9 Jul 2026US 2026/0193165 A1Arxada AG
Most cited
By later US patents
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Ligands for metals and improved metal-catalyzed processes based thereon100US 6,395,916 B1Massachusetts Institute of Technology · 2002
- Ligands for metals and improved metal-catalyzed processes based thereon93US 7,223,879 B2Massachusetts Institute of Technology · 2007
- Ligands for metals and improved metal-catalyzed processes based thereon83US 6,946,560 B2Massachusetts Institute of Technology · 2005
- Ligands for metals and improved metal-catalyzed processes based thereon80US 7,026,498 B2Massachusetts Institute of Technology · 2006