C07C 45/46
Friedel-crafts reactions
Official title: Friedel-Crafts reactions
C07C45/46 (Friedel-crafts reactions) appears on 1,007 US grants and 303 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,007
- Published applications
- 303
- Assignees
- 410
- Inventors
- 1,925
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 52 | 0 |
| 1977 | 34 | 0 |
| 1978 | 33 | 0 |
| 1979 | 31 | 0 |
| 1980 | 33 | 0 |
| 1981 | 36 | 0 |
| 1982 | 30 | 0 |
| 1983 | 28 | 0 |
| 1984 | 31 | 0 |
| 1985 | 28 | 0 |
| 1986 | 23 | 0 |
| 1987 | 40 | 0 |
| 1988 | 26 | 0 |
| 1989 | 36 | 0 |
| 1990 | 25 | 0 |
| 1991 | 34 | 0 |
| 1992 | 27 | 0 |
| 1993 | 23 | 0 |
| 1994 | 23 | 0 |
| 1995 | 23 | 0 |
| 1996 | 13 | 0 |
| 1997 | 15 | 0 |
| 1998 | 23 | 0 |
| 1999 | 31 | 0 |
| 2000 | 23 | 0 |
| 2001 | 33 | 10 |
| 2002 | 28 | 26 |
| 2003 | 29 | 33 |
| 2004 | 25 | 31 |
| 2005 | 22 | 31 |
| 2006 | 20 | 31 |
| 2007 | 16 | 19 |
| 2008 | 12 | 14 |
| 2009 | 21 | 17 |
| 2010 | 9 | 10 |
| 2011 | 11 | 7 |
| 2012 | 8 | 3 |
| 2013 | 2 | 4 |
| 2014 | 7 | 7 |
| 2015 | 2 | 2 |
| 2016 | 2 | 5 |
| 2017 | 7 | 10 |
| 2018 | 5 | 9 |
| 2019 | 5 | 5 |
| 2020 | 6 | 10 |
| 2021 | 6 | 6 |
| 2022 | 4 | 1 |
| 2023 | 3 | 6 |
| 2024 | 0 | 2 |
| 2025 | 1 | 0 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Molecular tetrahedron nanocage, its preparation, and uses thereof30 Jun 2026US 12,668,562 B2Purdue Research Foundation
- Processes for the acylation of an aromatic compound21 Apr 2026US 12,606,511 B2University of Kansas
- Method for continuous synthesis of acylnaphthalene with acylation liquid27 May 2025US 12,312,304 B2CCTEG China Coal Research Institute
- Process for the preparation of phenyl ketones12 Dec 2023US 11,840,507 B2Arxada AG
- Continuous flow synthesis of ibuprofen2 May 2023US 11,639,326 B2SRI International
- Processes for the acylation of an aromatic compound24 Sep 2026US 2026/0285792 A1University of Kansas
- Mechanochemical Upcycling of Polystyrene into Aromatic Compounds9 Apr 2026US 2026/0098142 A1
- Usy and related zeolite catalysts with blocked undesired active sites, and methods for synthesizing the same relying on selective extraction and ion-exchange2 Apr 2026US 2026/0092218 A1Chevron U.S.A.Inc.
- Efficient procedure for the synthesis of hydrazone-linked tetrahedral nanocages29 Jan 2026US 2026/0028317 A1University of Vermont
- Preparation method of 5-bromo-2-chloro-benzoic acid as a synthetic raw material for hypoglycemic drugs24 Oct 2024US 2024/0351970 A1Zhejiang Ausun Pharmaceutical Co., Ltd.
Most cited
By later US patents
- Process for the preparation of an olefin polymer239US 5,278,264 AHoechst Aktiengesellschaft · 1994
- C-aryl glucoside SGLT2 inhibitors and method184US 6,515,117 B2Bristol-Myers Squibb Company · 2003
- C-aryl glucoside SGLT2 inhibitors and method180US 6,414,126 B1Bristol-Myers Squibb Company · 2002
- Methods for identifying and optimizing materials in microfluidic systems177US 6,737,026 B1Symyx Technologies, Inc. · 2004
- Chemical processing microsystems comprising parallel flow microreactors and methods for using same166US 6,749,814 B1Symyx Technologies, Inc. · 2004