C07C 45/34
In unsaturated compounds
Official title: in unsaturated compounds
C07C45/34 (In unsaturated compounds) appears on 859 US grants and 441 published applications in this corpus.
Search patents in C07C- Granted patents
- 859
- Published applications
- 441
- Assignees
- 279
- Inventors
- 1,512
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 38 | 0 |
| 1977 | 38 | 0 |
| 1978 | 24 | 0 |
| 1979 | 26 | 0 |
| 1980 | 29 | 0 |
| 1981 | 23 | 0 |
| 1982 | 16 | 0 |
| 1983 | 14 | 0 |
| 1984 | 17 | 0 |
| 1985 | 28 | 0 |
| 1986 | 11 | 0 |
| 1987 | 6 | 0 |
| 1988 | 15 | 0 |
| 1989 | 14 | 0 |
| 1990 | 23 | 0 |
| 1991 | 7 | 0 |
| 1992 | 20 | 0 |
| 1993 | 21 | 0 |
| 1994 | 14 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 9 | 0 |
| 1998 | 16 | 0 |
| 1999 | 19 | 0 |
| 2000 | 14 | 0 |
| 2001 | 16 | 9 |
| 2002 | 30 | 21 |
| 2003 | 14 | 21 |
| 2004 | 25 | 47 |
| 2005 | 16 | 45 |
| 2006 | 32 | 24 |
| 2007 | 29 | 36 |
| 2008 | 28 | 27 |
| 2009 | 23 | 19 |
| 2010 | 20 | 17 |
| 2011 | 14 | 15 |
| 2012 | 15 | 10 |
| 2013 | 16 | 12 |
| 2014 | 11 | 15 |
| 2015 | 19 | 17 |
| 2016 | 15 | 20 |
| 2017 | 18 | 6 |
| 2018 | 8 | 10 |
| 2019 | 8 | 7 |
| 2020 | 9 | 10 |
| 2021 | 8 | 9 |
| 2022 | 8 | 8 |
| 2023 | 6 | 10 |
| 2024 | 3 | 13 |
| 2025 | 3 | 9 |
| 2026 | 8 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for producing fluorenone25 Aug 2026US 12,715,831 B2Mitsubishi Gas Chemical Company, Inc.
- Method for producing (meth)acrolein and method for producing (meth)acrylic acid25 Aug 2026US 12,715,833 B2Mitsubishi Chemical Corporation
- Catalyst28 Jul 2026US 12,691,438 B2Mitsubishi Chemical Corporation
- Process for the continuous production of either acrolein or acrylic acid as the target product from propene9 Jun 2026US 12,649,710 B2BASF SE
- Method for the manufacture of α,β-unsaturated ketones5 May 2026US 12,617,741 B2Symrise AG
- Oxidation of olefin into ketone2 Jul 2026US 2026/0183758 A1Centre National De La Recherche Scientifique
- Method for producing unsaturated aldehyde and device for producing unsaturated aldehyde14 May 2026US 2026/0132097 A1Nippon Kayaku Kabushiki Kaisha
- Acrolein and/or acrylic acid production from propylene with reduced amount of high boiling point byproducts9 Apr 2026US 2026/0097375 A1
- Catalyst for producing unsaturated carboxylic acid, method for producing same, and method for producing unsaturated carboxylic acid5 Mar 2026US 2026/0061402 A1Nippon Kayaku Kabushiki Kaisha
- Catalytic aerobic oxidations28 Aug 2025US 2025/0269360 A1
Most cited
By later US patents
- 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
- Catalytic oxidation of alkanes92US 5,132,472 ASun Refining and Marketing Company · 1992
- Anhydrous diluents for the propylene oxidation reaction to acrolein and acrolein oxidation to acrylic acid76US 5,198,578 APlastics Technology Corporation · 1993
- Cyclic autothermal hydrocarbon reforming process74US 6,761,838 B2The BOC Group, Inc. · 2004