C07C 37/16
By condensation involving hydroxy groups of phenols or alcohols or the ether
Official title: by condensation involving hydroxy groups of phenols or alcohols or the ether or mineral ester group derived therefrom
C07C37/16 (By condensation involving hydroxy groups of phenols or alcohols or the ether) appears on 259 US grants and 110 published applications in this corpus.
Search patents in C07C- Granted patents
- 259
- Published applications
- 110
- Assignees
- 140
- Inventors
- 593
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 8 | 0 |
| 1978 | 18 | 0 |
| 1979 | 5 | 0 |
| 1980 | 11 | 0 |
| 1981 | 11 | 0 |
| 1982 | 11 | 0 |
| 1983 | 14 | 0 |
| 1984 | 11 | 0 |
| 1985 | 11 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 6 | 3 |
| 2002 | 2 | 2 |
| 2003 | 3 | 7 |
| 2004 | 1 | 3 |
| 2005 | 5 | 4 |
| 2006 | 4 | 4 |
| 2007 | 2 | 4 |
| 2008 | 2 | 2 |
| 2009 | 2 | 1 |
| 2010 | 3 | 9 |
| 2011 | 3 | 1 |
| 2012 | 3 | 7 |
| 2013 | 4 | 4 |
| 2014 | 6 | 3 |
| 2015 | 6 | 5 |
| 2016 | 5 | 6 |
| 2017 | 6 | 1 |
| 2018 | 0 | 1 |
| 2019 | 3 | 1 |
| 2020 | 1 | 4 |
| 2021 | 3 | 2 |
| 2022 | 3 | 9 |
| 2023 | 3 | 7 |
| 2024 | 1 | 7 |
| 2025 | 4 | 7 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the asymmetric synthesis of isopiperitenol9 Jun 2026US 12,649,705 B2Studiengesellschaft Kohle gGmbH
- Process for making ethers from ethanol9 Jun 2026US 12,649,886 B2The Trustees of Princeton University
- Catalytic cannabigerol processes and precursors21 Apr 2026US 12,606,509 B2Kare Chemical Technologies Inc.
- Cannabinoid derivatives, precursors and uses14 Apr 2026US 12,600,707 B2Kare Chemical Technologies Inc.
- Continuos flow synthesis of cannabidiol7 Apr 2026US 12,595,219 B2Indena S. P. A.
- Process for synthesizing propofol by continuous flow chemistry27 Aug 2026US 2026/0250224 A1TCG GreenChem Inc.
- Manufacturing 2,3,5-trimethylhydroquinone from a mixture of mesitol and 2,3,6-trimethylphenol20 Aug 2026US 2026/0242317 A1Dsm IP Assets B.V.
- Cannabinoid derivatives, precursors and uses23 Jul 2026US 2026/0209198 A1Kare Chemical Technologies Inc.
- Synthesis and purification of cannabigerol and its application5 Mar 2026US 2026/0060906 A1Symrise AG
- Cannabinoid synthesis starting out from olivetol and terpene in dichloromethane with fecl 3 * 6h2o as catalyst19 Feb 2026US 2026/0049067 A1
Most cited
By later US patents
- Modified magnesium oxide catalyst80US 5,371,306 AKorea Advanced Institute of Science and Technology · 1994
- Process for producing ortho-alkylated phenols from anisoles74US 4,375,566 AMitsui Toatsu Chemicals, Inc. · 1983
- Phenolic polymer and production thereof44US 4,968,759 AHitachi Chemical Company, Ltd. · 1990
- Ion-exchange molded catalyst and method of its preparation43US 3,965,039 A1976
- Process for the preparation of p-ethylphenol42US 4,927,979 AMaruzen Petrochemical Co., Ltd. · 1990