C07C 37/82
By solid-liquid treatment
Official title: by solid-liquid treatment; by chemisorption
C07C37/82 (By solid-liquid treatment) appears on 144 US grants and 137 published applications in this corpus.
Search patents in C07C- Granted patents
- 144
- Published applications
- 137
- Assignees
- 119
- Inventors
- 458
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 1 |
| 2003 | 3 | 3 |
| 2004 | 2 | 2 |
| 2005 | 2 | 3 |
| 2006 | 3 | 4 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 5 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 4 |
| 2012 | 2 | 2 |
| 2013 | 2 | 4 |
| 2014 | 2 | 4 |
| 2015 | 6 | 6 |
| 2016 | 3 | 9 |
| 2017 | 4 | 3 |
| 2018 | 5 | 7 |
| 2019 | 5 | 8 |
| 2020 | 8 | 13 |
| 2021 | 13 | 7 |
| 2022 | 5 | 13 |
| 2023 | 6 | 15 |
| 2024 | 5 | 8 |
| 2025 | 5 | 8 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Industrial extraction method of cannabidiol11 Aug 2026US 12,703,672 B2Chenguang Biotech Group Co., Ltd.
- Contaminant removal from coal tar-derived crude phenols28 Jul 2026US 12,692,216 B2China Petroleum & Chemical Corporation
- 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.
- Production of cannabidiol from hemp using subcritical liquid carbon dioxide7 Jul 2026US 12,673,911 B2Bridge Farm Bioscience Limited
- 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 synthesising recycled plastic, preparation method thereof, recycled plastic, and molded product using the same10 Sep 2026US 2026/0265483 A1LG Chem.Ltd.
- Alkyl bisphenol composition and method for preparing the same2 Jul 2026US 2026/0184658 A1Industrial Technology Research Institute
- Synthesis and purification of cannabigerol and its application5 Mar 2026US 2026/0060906 A1Symrise AG
- Chromatographic media and methods of making and using same26 Feb 2026US 2026/0054249 A1Immutrix Therapeutics, Inc.
- 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
- Preparation of bisphenols50US 4,191,843 AShell Oil Company · 1980
- Selective sorption by zeolites40US 4,309,281 AMobil Oil Corporation · 1982
- Process for preparing a bisphenol29US 5,288,926 AThe Dow Chemical Company · 1994
- Process for the production of bisphenols27US 4,365,099 AGeneral Electric Company · 1982
- Method for purification of phenol25US 5,502,259 AGeneral Electric Company, U.S.A. · 1996