C07C 37/005
Preparation of compounds having hydroxy or o-metal groups bound to a carbon
Official title: {by obtaining phenols from products, waste products or side-products of processes, not directed to the production of phenols, by conversion or working-up}
C07C37/005 (Preparation of compounds having hydroxy or o-metal groups bound to a carbon) appears on 27 US grants and 22 published applications in this corpus.
Search patents in C07C- Granted patents
- 27
- Published applications
- 22
- Assignees
- 26
- Inventors
- 112
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 3 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 2 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 2 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 6 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Process configuration for a single phenol purification train for production of phenol and bisphenol-A in an integrated process25 Aug 2026US 12,715,830 B2Sabic Global Technologies B.V.
- Contaminant removal from coal tar-derived crude phenols28 Jul 2026US 12,692,216 B2China Petroleum & Chemical Corporation
- Process for debromination of novel brominated flame retardants using Zn-based additives21 Jan 2025US 12,202,780 B1United Arab Emirates University
- Method for decomposing phenolic by-product26 Mar 2024US 11,939,282 B2LG Chem.Ltd.
- Cumene-phenol complex with thermal oxidation system10 Oct 2023US 11,780,795 B2Honeywell International Inc.
- Method for degrading polycarbonate5 Feb 2026US 2026/0035535 A1Nan Ya Plastics Corporation
- Preparation method of monomer composition for synthesising recycled plastic, and monomer composition for synthesising recycled plastic, recycled plastic using the same, molded product using the same30 Oct 2025US 2025/0333574 A1LG Chem.Ltd.
- Monomer composition for synthesizing recycled plastic, preparation method thereof, recycled plastic, and molded product using the same24 Apr 2025US 2025/0129003 A1LG Chem.Ltd.
- Production process and device for synthesizing bisphenol a by resin method17 Apr 2025US 2025/0122138 A1Tianjin University
- Composition containing bisphenol, production method for same, production method for bisphenol a, and production method for polycarbonate resin6 Feb 2025US 2025/0043073 A1Mitsubishi Chemical Corporation
Most cited
By later US patents
- Process for fractionating fast-pyrolysis oils, and products derived therefrom73US 4,942,269 AMidwest Research Institute · 1990
- Fractionation of oil obtained by pyrolysis of lignocellulosic materials to recover a phenolic fraction for use in making phenol-formaldehyde resins28US 4,209,647 AAmerican Can Company · 1980
- Fractation of oil obtained by pyrolysis of lignocellulosic materials to recover a phenolic fraction for use in making phenol-formaldehyde resins15US 4,233,465 AAmerican Can Company · 1980
- Process for removing and recovering of phenolic compounds from aqueous fluids13US 6,586,638 B1Membrane Extraction Technology Limited · 2003
- Removal of phenols from phenol-containing streams9US 4,256,568 AExxon Research & Engineering Co. · 1981