C07C 45/72
By reaction of compounds containing >c = o groups with the same
Official title: by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
C07C45/72 (By reaction of compounds containing >c = o groups with the same) appears on 1,296 US grants and 524 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,296
- Published applications
- 524
- Assignees
- 459
- Inventors
- 2,618
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 52 | 0 |
| 1977 | 34 | 0 |
| 1978 | 33 | 0 |
| 1979 | 19 | 0 |
| 1980 | 54 | 0 |
| 1981 | 54 | 0 |
| 1982 | 38 | 0 |
| 1983 | 24 | 0 |
| 1984 | 37 | 0 |
| 1985 | 34 | 0 |
| 1986 | 25 | 0 |
| 1987 | 27 | 0 |
| 1988 | 21 | 0 |
| 1989 | 34 | 0 |
| 1990 | 40 | 0 |
| 1991 | 40 | 0 |
| 1992 | 42 | 0 |
| 1993 | 39 | 0 |
| 1994 | 20 | 0 |
| 1995 | 18 | 0 |
| 1996 | 27 | 0 |
| 1997 | 37 | 0 |
| 1998 | 31 | 0 |
| 1999 | 27 | 0 |
| 2000 | 27 | 0 |
| 2001 | 28 | 5 |
| 2002 | 22 | 28 |
| 2003 | 27 | 28 |
| 2004 | 16 | 31 |
| 2005 | 24 | 28 |
| 2006 | 22 | 16 |
| 2007 | 18 | 27 |
| 2008 | 20 | 21 |
| 2009 | 21 | 26 |
| 2010 | 21 | 29 |
| 2011 | 11 | 20 |
| 2012 | 15 | 18 |
| 2013 | 19 | 19 |
| 2014 | 21 | 19 |
| 2015 | 23 | 19 |
| 2016 | 14 | 30 |
| 2017 | 26 | 25 |
| 2018 | 21 | 20 |
| 2019 | 24 | 24 |
| 2020 | 22 | 14 |
| 2021 | 12 | 14 |
| 2022 | 6 | 17 |
| 2023 | 9 | 14 |
| 2024 | 6 | 13 |
| 2025 | 10 | 7 |
| 2026 | 4 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- α,β-unsaturated aldehyde production method9 Jun 2026US 12,649,708 B2Kao Corporation
- Process for the preparation of 2-isopentyl-2-isopropyl-1,3-dimethoxypropane28 Apr 2026US 12,612,349 B2Sabic Global Technologies B.V.
- Curcuminoids, analogs thereof, and methods of making the same7 Apr 2026US 12,595,222 B2WiSys Technology Foundation, Inc.
- Method of producing bio-derived branched alkyl glyceryl ether, and bio-derived branched alkyl glyceryl ether produced by said method20 Jan 2026US 12,528,755 B2Adeka Corporation
- Molded catalyst, production method for same, and method for producing cyclic ketone using same25 Nov 2025US 12,478,953 B2Korea Kumho Petrochemical Co., Ltd.
- Liquid phase process for preparing isophorone24 Sep 2026US 2026/0285795 A1Evonik Operations GmbH
- Methods and intermediates for preparing compounds10 Sep 2026US 2026/0265170 A1ViiV HEALTHCARE UK (NO. 5) LIMITED
- Method and apparatus for producing aldehyde13 Aug 2026US 2026/0234092 A1Johnson Matthey Davy Technologies Limited
- Process for the synthesis of isophorone in the liquid phase with recycling of the alkaline catalyst by electrodialysis30 Jul 2026US 2026/0217636 A1Arkema France
- Process for the synthesis of isophorone in the liquid phase with recycling of by-products23 Jul 2026US 2026/0209153 A1Arkema France
Most cited
By later US patents
- 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
- Retroviral protease inhibiting compounds159US 5,142,056 AAbbott Laboratories · 1992
- Retroviral protease inhibiting compounds109US 5,354,866 AAbbott Laboratories · 1994
- Pharmacologically active compounds, methods for the preparation thereof and compositions containing the same100US 4,963,590 AOrion-yhtyma Oy · 1990