C07C 41/18
By reactions not forming ether-oxygen bonds
Official title: by reactions not forming ether-oxygen bonds
C07C41/18 (By reactions not forming ether-oxygen bonds) appears on 1,563 US grants and 1,149 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,563
- Published applications
- 1,149
- Assignees
- 808
- Inventors
- 3,886
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 10 | 0 |
| 1978 | 26 | 0 |
| 1979 | 32 | 0 |
| 1980 | 42 | 0 |
| 1981 | 51 | 0 |
| 1982 | 38 | 0 |
| 1983 | 29 | 0 |
| 1984 | 25 | 0 |
| 1985 | 26 | 0 |
| 1986 | 29 | 0 |
| 1987 | 32 | 0 |
| 1988 | 21 | 0 |
| 1989 | 33 | 0 |
| 1990 | 26 | 0 |
| 1991 | 26 | 0 |
| 1992 | 25 | 0 |
| 1993 | 18 | 0 |
| 1994 | 14 | 0 |
| 1995 | 20 | 0 |
| 1996 | 25 | 0 |
| 1997 | 13 | 0 |
| 1998 | 28 | 0 |
| 1999 | 17 | 0 |
| 2000 | 21 | 0 |
| 2001 | 35 | 9 |
| 2002 | 26 | 26 |
| 2003 | 36 | 33 |
| 2004 | 23 | 40 |
| 2005 | 16 | 31 |
| 2006 | 31 | 29 |
| 2007 | 22 | 27 |
| 2008 | 14 | 43 |
| 2009 | 28 | 38 |
| 2010 | 27 | 61 |
| 2011 | 17 | 47 |
| 2012 | 34 | 51 |
| 2013 | 43 | 58 |
| 2014 | 46 | 60 |
| 2015 | 80 | 66 |
| 2016 | 57 | 72 |
| 2017 | 58 | 63 |
| 2018 | 51 | 50 |
| 2019 | 51 | 52 |
| 2020 | 52 | 57 |
| 2021 | 43 | 42 |
| 2022 | 39 | 45 |
| 2023 | 23 | 46 |
| 2024 | 21 | 49 |
| 2025 | 33 | 26 |
| 2026 | 14 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Selective transition metal catalyzed deuterium incorporation into alkyne and alkene functionalities15 Sep 2026US 12,735,369 B2Marquette University
- Process for producing para-eugenol and/or ortho-eugenol15 Sep 2026US 12,735,378 B2Specialty Operations France
- Cardanol-based reactive diluents and their use and preparation15 Sep 2026US 12,735,381 B2Covestro (Netherlands) B.V.
- Direct aromatic carbon-oxygen and carbon-hydrogen bond functionalization via organic photoredox catalyst8 Sep 2026US 12,729,169 B2The University of North Carolina at Chapel Hill
- Method for producing composition containing purified fluorine-containing ether compound8 Sep 2026US 12,729,175 B2Daikin Industries, Ltd.
- Organic Photoredox Catalysts, Compositions, and Conversion Processes24 Sep 2026US 2026/0284647 A1Colorado State University Research Foundation
- Fluoroalcohols as co-solvents for chemical synthesis and methods for producing the same17 Sep 2026US 2026/0274774 A1The University of Mississippi
- Method for producing biaryl compound3 Sep 2026US 2026/0257977 A1FUJIFILM Corporation
- Process for the preparation of ethylhexylglycerol27 Aug 2026US 2026/0250225 A1Symrise AG
- Method for preparing honokiol derivative and intermediate thereof20 Aug 2026US 2026/0242318 A1Beijing Jinrui Foundation Pharmaceutical Technology Co., Ltd.
Most cited
By later US patents
- Novel ether substituted fluorescein polyamino acid compounds as fluorescers and quenchers186US 4,318,846 ASyva Company · 1982
- Fluorinated xanthene derivatives146US 6,162,931 AMolecular Probes, Inc. · 2000
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Preparation of fluorocarbonyl compounds115US 4,357,282 AE. I. Du Pont de Nemours and Company · 1982
- Ligands for metals and improved metal-catalyzed processes based thereon100US 6,395,916 B1Massachusetts Institute of Technology · 2002