C07C 45/45
Preparation of compounds having >c = o groups bound only to carbon
Official title: by condensation
C07C45/45 (Preparation of compounds having >c = o groups bound only to carbon) appears on 1,765 US grants and 592 published applications in this corpus.
Search patents in C07C- Granted patents
- 1,765
- Published applications
- 592
- Assignees
- 662
- Inventors
- 3,219
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 75 | 0 |
| 1977 | 58 | 0 |
| 1978 | 51 | 0 |
| 1979 | 53 | 0 |
| 1980 | 68 | 0 |
| 1981 | 66 | 0 |
| 1982 | 59 | 0 |
| 1983 | 54 | 0 |
| 1984 | 44 | 0 |
| 1985 | 42 | 0 |
| 1986 | 33 | 0 |
| 1987 | 55 | 0 |
| 1988 | 44 | 0 |
| 1989 | 58 | 0 |
| 1990 | 41 | 0 |
| 1991 | 52 | 0 |
| 1992 | 42 | 0 |
| 1993 | 39 | 0 |
| 1994 | 35 | 0 |
| 1995 | 38 | 0 |
| 1996 | 53 | 0 |
| 1997 | 43 | 0 |
| 1998 | 42 | 0 |
| 1999 | 61 | 0 |
| 2000 | 41 | 0 |
| 2001 | 45 | 12 |
| 2002 | 43 | 37 |
| 2003 | 39 | 46 |
| 2004 | 33 | 42 |
| 2005 | 29 | 42 |
| 2006 | 25 | 35 |
| 2007 | 20 | 32 |
| 2008 | 18 | 18 |
| 2009 | 25 | 20 |
| 2010 | 15 | 12 |
| 2011 | 12 | 14 |
| 2012 | 9 | 10 |
| 2013 | 8 | 17 |
| 2014 | 19 | 25 |
| 2015 | 20 | 17 |
| 2016 | 14 | 24 |
| 2017 | 27 | 25 |
| 2018 | 17 | 25 |
| 2019 | 19 | 19 |
| 2020 | 12 | 27 |
| 2021 | 18 | 19 |
| 2022 | 18 | 9 |
| 2023 | 10 | 17 |
| 2024 | 5 | 29 |
| 2025 | 10 | 6 |
| 2026 | 8 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Synthetic pathway to belzutifan18 Aug 2026US 12,709,595 B2Merck Sharp & Dohme Corp.
- Composition with mixed C8-C18 alcohols and surfactants thereof11 Aug 2026US 12,703,827 B2Dow Global Technologies LLC
- Molecular tetrahedron nanocage, its preparation, and uses thereof30 Jun 2026US 12,668,562 B2Purdue Research Foundation
- Aqueous compositions comprising 6-undecanol-esters19 May 2026US 12,629,324 B2Evonik Operations GmbH
- Benzaldehyde oximes and method for producing same19 May 2026US 12,630,499 B2Bayer Aktiengesellschaft
- Processes for the acylation of an aromatic compound24 Sep 2026US 2026/0285792 A1University of Kansas
- Process for producing isophorone nitrile24 Sep 2026US 2026/0285805 A1Evonik Operations GmbH
- Benzaldehyde oximes and method for producing same3 Sep 2026US 2026/0257988 A1Bayer Aktiengesellschaft
- Catalyst and associated reaction process for the production of waxes6 Aug 2026US 2026/0225076 A1Petroliam Nasional Berhad (Petronas)
- Substituted Hydroxystilbene Compounds and Derivatives, Synthesis and Uses Thereof23 Jul 2026US 2026/0209152 A1Kynan Duke IP, LLC
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