C07C 45/42
Preparation of compounds having >c = o groups bound only to carbon
Official title: by hydrolysis
C07C45/42 (Preparation of compounds having >c = o groups bound only to carbon) appears on 202 US grants and 95 published applications in this corpus.
Search patents in C07C- Granted patents
- 202
- Published applications
- 95
- Assignees
- 120
- Inventors
- 424
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 3 | 0 |
| 1979 | 12 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 8 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 3 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 3 |
| 2010 | 5 | 1 |
| 2011 | 1 | 2 |
| 2012 | 2 | 4 |
| 2013 | 2 | 10 |
| 2014 | 4 | 12 |
| 2015 | 11 | 3 |
| 2016 | 5 | 4 |
| 2017 | 6 | 8 |
| 2018 | 7 | 4 |
| 2019 | 0 | 1 |
| 2020 | 6 | 4 |
| 2021 | 3 | 8 |
| 2022 | 4 | 3 |
| 2023 | 1 | 6 |
| 2024 | 3 | 5 |
| 2025 | 5 | 5 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electromechanically driven oscillatory flow in fluidic systems25 Aug 2026US 12,714,979 B2Massachusetts Institute of Technology
- Muguet type fragrance compounds19 May 2026US 12,630,783 B2Symrise AG
- 11-halo-1,1-dialkoxy-7-undecene compound and processes for preparing a 11,11-dialkoxy-4-undecenyltriarylphosphonium halide compound, a trienal compound, and a dienal compound25 Nov 2025US 12,479,786 B2Shin-Etsu Chemical Co., Ltd.
- Substituted hydroxystilbene compounds and derivatives synthesis and uses thereof4 Nov 2025US 12,459,883 B2Kynan Duke IP, LLC
- Vinylether compounds and processes for preparing aldehyde compounds and a carboxylate compound therefrom16 Sep 2025US 12,415,769 B2Shin-Etsu Chemical Co., Ltd.
- Compounds and compositions that attract the species pseudococcus longispinus, attractant device and methods for controlling and/or monitoring the pest13 Aug 2026US 2026/0231936 A1Ecología y Protección Agrícola, S.L.
- Substituted Hydroxystilbene Compounds and Derivatives, Synthesis and Uses Thereof23 Jul 2026US 2026/0209152 A1Kynan Duke IP, LLC
- Method for decomposing polyol or polyol ester28 May 2026US 2026/0146015 A1Ac Biode Ltd.
- (6z)-6-tridecenyl metal compound, process for preparing the same, and process for preparing (7z)-7-tetradecenal23 Apr 2026US 2026/0109719 A1Shin-Etsu Chemical Co., Ltd.
- 11-halo-1,1-dialkoxy-7-undecene compound and processes for preparing a 11,11-dialkoxy-4-undecenyltriarylphosphonium halide compound, a trienal compound, and a dienal compound26 Feb 2026US 2026/0055042 A1Shin-Etsu Chemical Co., Ltd.
Most cited
By later US patents
- 3-hydroxy-2-cyclobuten-1-one salts, their production and use65US 5,118,847 ALonza Ltd. · 1992
- Ethanamine derivatives their preparation and use in pharmaceutical compositions50US 4,338,333 ABeecham Group Limited · 1982
- Therapeutic agents49US 4,522,828 AThe Boots Company PLC · 1985
- Synthesis of intermediate for treprostinil production37US 8,461,393 B2United Therapeutics Corporation · 2013
- Process for the preparation of o-phthalaldehydes33US 5,107,032 ANoramco, Inc. · 1992