C07C 45/61
Preparation of compounds having >c = o groups bound only to carbon
Official title: by reactions not involving the formation of >C = O groups
C07C45/61 (Preparation of compounds having >c = o groups bound only to carbon) appears on 5,094 US grants and 1,977 published applications in this corpus.
Search patents in C07C- Granted patents
- 5,094
- Published applications
- 1,977
- Assignees
- 1,411
- Inventors
- 8,930
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 215 | 0 |
| 1977 | 173 | 0 |
| 1978 | 149 | 0 |
| 1979 | 144 | 0 |
| 1980 | 177 | 0 |
| 1981 | 189 | 0 |
| 1982 | 149 | 0 |
| 1983 | 136 | 0 |
| 1984 | 162 | 0 |
| 1985 | 167 | 0 |
| 1986 | 135 | 0 |
| 1987 | 142 | 0 |
| 1988 | 105 | 0 |
| 1989 | 122 | 0 |
| 1990 | 125 | 0 |
| 1991 | 121 | 0 |
| 1992 | 122 | 0 |
| 1993 | 122 | 0 |
| 1994 | 90 | 0 |
| 1995 | 89 | 0 |
| 1996 | 108 | 0 |
| 1997 | 108 | 0 |
| 1998 | 122 | 0 |
| 1999 | 114 | 0 |
| 2000 | 83 | 0 |
| 2001 | 131 | 27 |
| 2002 | 100 | 96 |
| 2003 | 84 | 97 |
| 2004 | 68 | 120 |
| 2005 | 55 | 91 |
| 2006 | 80 | 86 |
| 2007 | 63 | 74 |
| 2008 | 60 | 85 |
| 2009 | 75 | 95 |
| 2010 | 65 | 99 |
| 2011 | 56 | 71 |
| 2012 | 52 | 81 |
| 2013 | 83 | 68 |
| 2014 | 68 | 80 |
| 2015 | 100 | 86 |
| 2016 | 70 | 109 |
| 2017 | 90 | 81 |
| 2018 | 71 | 60 |
| 2019 | 67 | 80 |
| 2020 | 67 | 59 |
| 2021 | 50 | 75 |
| 2022 | 49 | 55 |
| 2023 | 34 | 57 |
| 2024 | 33 | 62 |
| 2025 | 36 | 48 |
| 2026 | 18 | 35 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 45/67By isomerisation3,891
- C07C 45/63By introduction of halogen849
- C07C 45/62By hydrogenation of carbon-to-carbon double or triple bonds714
- C07C 45/65By splitting-off hydrogen atoms or functional groups536
- C07C 45/64By introduction of functional groups containing oxygen only in singly bound form343
Recent patents
- Chemically cleavable group15 Sep 2026US 12,735,444 B2Tagworks Pharmaceuticals B.V.
- Direct aromatic carbon-oxygen and carbon-hydrogen bond functionalization via organic photoredox catalyst8 Sep 2026US 12,729,169 B2The University of North Carolina at Chapel Hill
- Method for synthesizing xanthohumol11 Aug 2026US 12,703,673 B2Pro Xn Sp. Z O.O.
- Process for producing functionalized organic molecules and uses thereof28 Jul 2026US 12,692,215 B2Universitat Politecnica De Catalunya
- α,β-unsaturated aldehyde production method9 Jun 2026US 12,649,708 B2Kao Corporation
- Compound, composition, method for expressing sensitizing effect and production method8 Oct 2026US 2026/0308100 A1Mitsubishi Gas Chemical Company, Inc.
- Beta-alkoxy ketone having long-lasting fragrance and preparation method and use thereof1 Oct 2026US 2026/0297007 A1Guangzhou Flower Flavours Fragrances Co., Ltd
- Biphenyl compound, pharmaceutical composition, method for preparing same, and use thereof1 Oct 2026US 2026/0297017 A1Longivitron (Suzhou) Biotechnology Co., Ltd
- Organic Photoredox Catalysts, Compositions, and Conversion Processes24 Sep 2026US 2026/0284647 A1Colorado State University Research Foundation
- Method for synthesizing cyclic ketone compound from diol and ketone24 Sep 2026US 2026/0285793 A1Zhejiang Sainon Chemical Co., Ltd
Most cited
By later US patents
- Rhenium catalyst composition399US 4,048,110 ACelanese Corporation · 1977
- Target molecule attachment to surfaces300US 6,465,178 B2SurModics, Inc. · 2002
- Photoactivatable water soluble cross-linking agents containing an onium group198US 5,714,360 ABSI Corporation · 1998
- Methods for identifying and optimizing materials in microfluidic systems177US 6,737,026 B1Symyx Technologies, Inc. · 2004
- Reagent and method for attaching target molecules to a surface174US 5,858,653 ASurModics, Inc. · 1999