C07C 37/48
Preparation of compounds having hydroxy or o-metal groups bound to a carbon
Official title: by exchange of hydrocarbon groups, which may be substituted, from the same of other compounds, e.g. transalkylation
C07C37/48 (Preparation of compounds having hydroxy or o-metal groups bound to a carbon) appears on 42 US grants and 15 published applications in this corpus.
Search patents in C07C- Granted patents
- 42
- Published applications
- 15
- Assignees
- 32
- Inventors
- 101
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 2 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalytic cannabigerol processes and precursors21 Apr 2026US 12,606,509 B2Kare Chemical Technologies Inc.
- Synthesis and purification of cannabigerol and its application9 Dec 2025US 12,491,145 B2Symrise AG
- Process for the synthesis of cannabidiol and intermediates thereof25 Feb 2025US 12,234,203 B2Council of Scientific and Industrial Research An Indian Registered Body Incorporated Under the Regn. of Soc. Act (Act Xxi of 1860)
- Synthesis and characterization of air-stable iron-based catalysts for Suzuki-Miyaura cross-coupling reactions of alkyl halides and aryl boronic esters3 Sep 2024US 12,076,715 B1The Trustees of Boston College
- Dealklylation and transalkylation of mixed phenols to make cresols1 Nov 2022US 11,485,694 B2China Petroleum & Chemical Corporation
- Synthesis and purification of cannabigerol and its application5 Mar 2026US 2026/0060906 A1Symrise AG
- An integrated process to produce phenol from coal derived liquid19 Jun 2025US 2025/0197331 A1China Petroleum & Chemical Corporation
- Process for producing cresol and xylene21 Nov 2024US 2024/0383829 A1China Petroleum & Chemical Corporation
- Rescorcinols, methods for their manufacture, and uses thereof1 Aug 2024US 2024/0254066 A1
- Catalytic cannabigerol processes and precursors6 Apr 2023US 2023/0105720 A1Kare Chemical Technologies Inc.
Most cited
By later US patents
- Process for producing ortho-alkylated phenols from anisoles74US 4,375,566 AMitsui Toatsu Chemicals, Inc. · 1983
- Preparation of ortho-alkylated phenols42US 4,447,657 AUop LLC · 1984
- Long-chain alkylphenols28US 4,283,573 AMobil Oil Corporation · 1981
- Superacid catalyzed preparation of resorcinol from meta-isopropylphenol23US 4,423,254 APCUK Produits Chimiques Ugine Kuhlmann · 1983
- Isomerization of bisphenols21US 5,015,784 ABayer Aktiengesellschaft · 1991