C07C 41/26
By introduction of hydroxy or o-metal groups
Official title: by introduction of hydroxy or O-metal groups
C07C41/26 (By introduction of hydroxy or o-metal groups) appears on 457 US grants and 333 published applications in this corpus.
Search patents in C07C- Granted patents
- 457
- Published applications
- 333
- Assignees
- 316
- Inventors
- 1,222
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 17 | 0 |
| 1980 | 21 | 0 |
| 1981 | 20 | 0 |
| 1982 | 16 | 0 |
| 1983 | 11 | 0 |
| 1984 | 10 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 10 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 1 |
| 2002 | 7 | 8 |
| 2003 | 11 | 8 |
| 2004 | 8 | 12 |
| 2005 | 4 | 14 |
| 2006 | 9 | 6 |
| 2007 | 6 | 10 |
| 2008 | 3 | 17 |
| 2009 | 7 | 13 |
| 2010 | 16 | 27 |
| 2011 | 6 | 16 |
| 2012 | 12 | 8 |
| 2013 | 14 | 19 |
| 2014 | 19 | 20 |
| 2015 | 21 | 17 |
| 2016 | 15 | 20 |
| 2017 | 13 | 15 |
| 2018 | 15 | 11 |
| 2019 | 17 | 14 |
| 2020 | 10 | 12 |
| 2021 | 8 | 12 |
| 2022 | 6 | 11 |
| 2023 | 8 | 11 |
| 2024 | 4 | 12 |
| 2025 | 10 | 10 |
| 2026 | 3 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for producing para-eugenol and/or ortho-eugenol15 Sep 2026US 12,735,378 B2Specialty Operations France
- Cannabinoid derivatives and precursors, and asymmetric synthesis for same5 May 2026US 12,617,749 B2Kare Chemical Technologies Inc.
- Crystal form of reduced coenzyme Q10 and preparation method therefor6 Jan 2026US 12,516,010 B2Xinkailian Biotechnology (Hainan) Co., Ltd
- Chiral multidentate ligand, and application thereof in asymmetric hydrogenation16 Dec 2025US 12,497,424 B2Shenzhen Catalys Technology Co., Ltd
- Substituted hydroxystilbene compounds and derivatives synthesis and uses thereof4 Nov 2025US 12,459,883 B2Kynan Duke IP, LLC
- Fluoroalcohols as co-solvents for chemical synthesis and methods for producing the same17 Sep 2026US 2026/0274774 A1The University of Mississippi
- Process for the preparation of ethylhexylglycerol27 Aug 2026US 2026/0250225 A1Symrise AG
- Cracking alkylene glycol dialkyl ether13 Aug 2026US 2026/0233209 A1
- Substituted Hydroxystilbene Compounds and Derivatives, Synthesis and Uses Thereof23 Jul 2026US 2026/0209152 A1Kynan Duke IP, LLC
- A process for the synthesis of stilbene and intermediates thereof9 Jul 2026US 2026/0193159 A1Fertis India Pvt Ltd
Most cited
By later US patents
- Novel ether substituted fluorescein polyamino acid compounds as fluorescers and quenchers186US 4,318,846 ASyva Company · 1982
- Transition metal complexes as linkers63US 6,821,783 B1AstraZeneca AB · 2004
- .alpha.-Mono (methyl-branched alkyl) glyceryl ether and a skin care cosmetic composition containing the same60US 4,634,719 AKao Soap Co., Ltd. · 1987
- Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom55US 6,869,904 B2Symyx Technologies, Inc. · 2005
- Substituted 1,2,4,5-tetrahydro-3H,3 benzazepines54US 4,210,749 APennwalt Corporation · 1980