C07C 45/40
Preparation of compounds having >c = o groups bound only to carbon
Official title: by oxidation with ozone; by ozonolysis
C07C45/40 (Preparation of compounds having >c = o groups bound only to carbon) appears on 139 US grants and 72 published applications in this corpus.
Search patents in C07C- Granted patents
- 139
- Published applications
- 72
- Assignees
- 77
- Inventors
- 264
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 12 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 5 |
| 2003 | 5 | 4 |
| 2004 | 2 | 6 |
| 2005 | 3 | 3 |
| 2006 | 2 | 2 |
| 2007 | 2 | 0 |
| 2008 | 2 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 3 | 4 |
| 2014 | 6 | 4 |
| 2015 | 1 | 2 |
| 2016 | 2 | 6 |
| 2017 | 6 | 6 |
| 2018 | 3 | 2 |
| 2019 | 5 | 7 |
| 2020 | 5 | 3 |
| 2021 | 1 | 3 |
| 2022 | 1 | 1 |
| 2023 | 2 | 3 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ozonolysis of polycyclic aromatic hydrocarbons in liquid CO228 Apr 2026US 12,612,350 B2University of Kansas
- Method for producing maxacalcitol, and intermediate therefor8 Jul 2025US 12,351,551 B2Yonsung Fine Chemical Co., Ltd.
- Methods of carbon-carbon bond fragmentation22 Oct 2024US 12,122,730 B2The Regents of the University of California
- Methods for disproportionation quenching of ozonides14 Nov 2023US 11,814,350 B2P2 Science, Inc.
- Long alpha-omega di-functional linear ethers25 Apr 2023US 11,634,376 B2Universiteit Antwerpen
- New method for ozonolysis and reductive quenching of ozonides6 Aug 2026US 2026/0225982 A1
- Process for preparing octahydro-2(1h)-naphthalenone derivatives29 May 2025US 2025/0171391 A1Firmenich SA
- The oxidation of carbon-hydrogen bonds using ozone23 May 2024US 2024/0166588 A1
- Ozonolysis of polycyclic aromatic hydrocarbons in liquid co27 Mar 2024US 2024/0076259 A1ExxonMobil Technology and Engineering Company
- New methods for disproportionation quenching of ozonides28 Dec 2023US 2023/0416185 A1
Most cited
By later US patents
- Catechol diethers as selective PDE.sup.IV inhibitors71US 5,814,651 APfizer Inc. · 1998
- Process for the preparation of monocarbonyl or biscarbonyl compounds56US 4,769,464 AChemie Linz Gesellschaft m.b.H. · 1988
- Benzamide derivatives35US 4,146,631 AMay & Baker Limited · 1979
- Metering method for particulate material26US 7,621,300 B2Glaxo Group Limited · 2009
- Cyclic C.sub.6 ketones in perfumes23US 4,147,672 AFirmenich SA · 1979