C07C 37/50
Preparation of compounds having hydroxy or o-metal groups bound to a carbon
Official title: by reactions decreasing the number of carbon atoms (C07C37/04, C07C37/045, C07C37/055, C07C37/08 take precedence)
C07C37/50 (Preparation of compounds having hydroxy or o-metal groups bound to a carbon) appears on 349 US grants and 243 published applications in this corpus.
Search patents in C07C- Granted patents
- 349
- Published applications
- 243
- Assignees
- 213
- Inventors
- 894
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 17 | 0 |
| 1979 | 8 | 0 |
| 1980 | 16 | 0 |
| 1981 | 10 | 0 |
| 1982 | 11 | 0 |
| 1983 | 9 | 0 |
| 1984 | 12 | 0 |
| 1985 | 13 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 6 | 3 |
| 2003 | 2 | 1 |
| 2004 | 5 | 7 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 4 |
| 2008 | 2 | 6 |
| 2009 | 2 | 4 |
| 2010 | 3 | 8 |
| 2011 | 2 | 3 |
| 2012 | 5 | 4 |
| 2013 | 6 | 22 |
| 2014 | 12 | 14 |
| 2015 | 17 | 14 |
| 2016 | 14 | 13 |
| 2017 | 9 | 9 |
| 2018 | 10 | 7 |
| 2019 | 7 | 8 |
| 2020 | 10 | 14 |
| 2021 | 12 | 24 |
| 2022 | 18 | 26 |
| 2023 | 9 | 19 |
| 2024 | 9 | 11 |
| 2025 | 6 | 11 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Chemically cleavable group15 Sep 2026US 12,735,444 B2Tagworks Pharmaceuticals B.V.
- Monomer composition for synthesizing recycled plastic, preparation method thereof, recycled plastic, and molded product using the same28 Jul 2026US 12,692,358 B2LG Chem.Ltd.
- High purity 4-hydroxystyrene solution, method of producing the same, and method of producing 4-hydroxystyrene polymer23 Jun 2026US 12,662,443 B2Maruzen Petrochemical Co., Ltd.
- Monomer composition for synthesizing recycled plastic, preparation method thereof, recycled plastic, and molded product using the same16 Jun 2026US 12,655,266 B2LG Chem.Ltd.
- Monomer composition for synthesizing recycled plastic, preparation method thereof, recycled plastic, and molded product using the same16 Jun 2026US 12,655,267 B2LG Chem.Ltd.
- Methods of chemical deconstruction and upcycling of polyethylene terephthalate using carbonate compounds1 Oct 2026US 2026/0297003 A1
- Method for producing lignin decomposition product, method for producing methanol, and lignin-based composition17 Sep 2026US 2026/0274776 A1Kyushu University, National University Corporation
- Monomer composition for synthesising recycled plastic, preparation method thereof, recycled plastic, and molded product using the same10 Sep 2026US 2026/0265483 A1LG Chem.Ltd.
- Method for producing compound, polymer, composition, and pattern formation method23 Jul 2026US 2026/0209160 A1Mitsubishi Gas Chemical Company, Inc.
- A process for the synthesis of stilbene and intermediates thereof9 Jul 2026US 2026/0193159 A1Fertis India Pvt Ltd
Most cited
By later US patents
- Lignin hydrocracking process to produce phenol and benzene51US 4,420,644 AHydrocarbon Research, Inc. · 1983
- Phenol from coal and biomass42US 4,605,790 AE. I. Du Pont de Nemours and Company · 1986
- Preparation of polyphenols by oxidation of hydroxybenzaldehydes41US 4,435,601 ARhone-Poulenc Industries · 1984
- Unified test means for ion determination38US 4,645,744 AMiles Laboratories, Inc. · 1987
- Hydrocracking process for liquefaction of lignin32US 4,647,704 AUop LLC · 1987