C07C 37/11
Preparation of compounds having hydroxy or o-metal groups bound to a carbon
Official title: by reactions increasing the number of carbon atoms
C07C37/11 (Preparation of compounds having hydroxy or o-metal groups bound to a carbon) appears on 1,078 US grants and 539 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,078
- Published applications
- 539
- Assignees
- 422
- Inventors
- 2,239
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 36 | 0 |
| 1977 | 32 | 0 |
| 1978 | 53 | 0 |
| 1979 | 25 | 0 |
| 1980 | 34 | 0 |
| 1981 | 36 | 0 |
| 1982 | 29 | 0 |
| 1983 | 40 | 0 |
| 1984 | 31 | 0 |
| 1985 | 29 | 0 |
| 1986 | 24 | 0 |
| 1987 | 18 | 0 |
| 1988 | 14 | 0 |
| 1989 | 19 | 0 |
| 1990 | 34 | 0 |
| 1991 | 23 | 0 |
| 1992 | 30 | 0 |
| 1993 | 28 | 0 |
| 1994 | 26 | 0 |
| 1995 | 19 | 0 |
| 1996 | 10 | 0 |
| 1997 | 11 | 0 |
| 1998 | 20 | 0 |
| 1999 | 13 | 0 |
| 2000 | 9 | 0 |
| 2001 | 24 | 4 |
| 2002 | 14 | 10 |
| 2003 | 14 | 35 |
| 2004 | 26 | 36 |
| 2005 | 21 | 24 |
| 2006 | 25 | 20 |
| 2007 | 13 | 14 |
| 2008 | 6 | 19 |
| 2009 | 8 | 13 |
| 2010 | 13 | 24 |
| 2011 | 15 | 20 |
| 2012 | 18 | 28 |
| 2013 | 19 | 19 |
| 2014 | 22 | 18 |
| 2015 | 30 | 25 |
| 2016 | 19 | 26 |
| 2017 | 24 | 33 |
| 2018 | 21 | 18 |
| 2019 | 19 | 20 |
| 2020 | 19 | 17 |
| 2021 | 10 | 22 |
| 2022 | 15 | 23 |
| 2023 | 9 | 15 |
| 2024 | 6 | 26 |
| 2025 | 13 | 17 |
| 2026 | 12 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 37/20Using aldehydes or ketones433
- C07C 37/14By addition reactions, i.e. reactions involving at least one carbon-to-carbon unsaturated bond274
- C07C 37/16By condensation involving hydroxy groups of phenols or alcohols or the ether259
- C07C 37/18By condensation involving halogen atoms of halogenated compounds92
- C07C 37/115Using acetals40
Recent patents
- Preparation method for methylphenol and homologue15 Sep 2026US 12,735,376 B2Dalian University of Technology
- Process for preparing bisphenol a (BPA) in the presence of at least two impurities23 Jun 2026US 12,662,442 B2Covestro Deutschland AG
- 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
- Access to chiral bisphenol (BPOL) ligands through desymmetrizing asymmetric ortho-selective mono-halogenation26 May 2026US 12,637,403 B2The Chinese University of Hong Kong
- Cannabis extracts and uses thereof24 Sep 2026US 2026/0285791 A1Consiglio Nazionale Delle Ricerche (43%)
- Extrusion molded catalyst for ortho-alkylation reaction and preparation method thereof10 Sep 2026US 2026/0264053 A1Hanwha Solutions Corporation
- 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.
- Method for producing compound, polymer, composition, and pattern formation method23 Jul 2026US 2026/0209160 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Ligands for metals and improved metal-catalyzed processes based thereon143US 6,307,087 B1Massachusetts Institute of Technology · 2001
- Alkylation of organic aromatic compounds103US 4,849,569 AChemical Research & Licensing Company · 1989
- 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
- Modified magnesium oxide catalyst80US 5,371,306 AKorea Advanced Institute of Science and Technology · 1994