C07C 45/002
Preparation of compounds having >c = o groups bound only to carbon
Official title: {by dehydrogenation}
C07C45/002 (Preparation of compounds having >c = o groups bound only to carbon) appears on 198 US grants and 137 published applications in this corpus.
Search patents in C07C- Granted patents
- 198
- Published applications
- 137
- Assignees
- 143
- Inventors
- 562
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 0 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 4 |
| 2002 | 9 | 4 |
| 2003 | 1 | 3 |
| 2004 | 5 | 9 |
| 2005 | 4 | 5 |
| 2006 | 3 | 4 |
| 2007 | 8 | 2 |
| 2008 | 5 | 1 |
| 2009 | 1 | 4 |
| 2010 | 3 | 3 |
| 2011 | 0 | 2 |
| 2012 | 2 | 6 |
| 2013 | 1 | 7 |
| 2014 | 7 | 9 |
| 2015 | 10 | 12 |
| 2016 | 11 | 11 |
| 2017 | 10 | 10 |
| 2018 | 6 | 3 |
| 2019 | 9 | 5 |
| 2020 | 3 | 8 |
| 2021 | 1 | 3 |
| 2022 | 5 | 6 |
| 2023 | 4 | 5 |
| 2024 | 2 | 1 |
| 2025 | 4 | 3 |
| 2026 | 1 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for the dehydrogenation of ethanol in a multitubular reactor17 Mar 2026US 12,577,187 B2Compagnie Generale Des Etablissements Michelin
- Co3O4@c derived from metal-organic frameworks use for production of methyl ethyl ketone (MEK)4 Nov 2025US 12,458,954 B1Imam Mohammad Ibn Saud Islamic University
- Process of preparing 3-fluoro-5(((1R,2AR)-3,3,4,4-tetrafluoro-1,2A-dihydroxy-2,2A,3,4-tetrahydro-1H-cyclopenta[cd]inden-7-yl)-oxy)benzonitrile7 Oct 2025US 12,435,034 B2Nikang Therapeutics, Inc.
- Carbon-supported copper manganite nanoparticles for biofuel production15 Apr 2025US 12,275,003 B1Imam Mohammad Ibn Saud Islamic University
- Dehydrogenation process25 Mar 2025US 12,258,311 B2Dsm IP Assets B.V.
- Ortho-phthalaldehyde-functionalized ultravioletabsorbers and visible chromophores for semi-permanent topical applications1 Oct 2026US 2026/0297038 A1The Regents of the University of Colorado, a body corporate
- Abiotic Catalytic Conversion of Carbon Dioxide to Sugars27 Aug 2026US 2026/0250310 A1The Regents of the University of California
- Composition and process of making bio-based upcycled oils in flow reactors9 Jul 2026US 2026/0191749 A1RiKarbon, Inc.
- Method for producing hydrogen4 Jun 2026US 2026/0152390 A1Tohoku University
- Methods of using hydrogen to extend catalyst life for ethanol to butadiene conversions16 Apr 2026US 2026/0103434 A1Battelle Memorial Institute
Most cited
By later US patents
- Silica-containing shaped articles and a process for their preparation51US 4,764,498 ABayer Aktiengesellschaft · 1988
- Synthesis method of chemical industrial raw material and high-octane fuel, and high-octane fuel composition50US 6,323,383 B1Kabushiki Kaisha Sangi · 2001
- High temperature stable catalyst and process for preparing same41US 4,738,946 AHitachi, Ltd. · 1988
- Energy process in methanol synthesis36US 4,309,359 AImperial Chemical Industries PLC · 1982
- Continuous process for recovery of cyclohexanone30US 3,946,076 AStamicarbon B. V. · 1976