C07C 2531/20
Carbonyls
C07C2531/20 (Carbonyls) appears on 83 US grants and 35 published applications in this corpus.
Search patents in C07C- Granted patents
- 83
- Published applications
- 35
- Assignees
- 52
- Inventors
- 184
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 3 | 5 |
| 2005 | 2 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 1 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 3 |
| 2016 | 2 | 2 |
| 2017 | 2 | 1 |
| 2018 | 3 | 3 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 3 |
| 2023 | 0 | 2 |
| 2024 | 4 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods of arene alkenylation2 Sep 2025US 12,404,221 B2University of Virginia Patent Foundation
- Branched products19 Nov 2024US 12,145,904 B2SCION Holdings LLC
- Branched products28 May 2024US 11,993,565 B2SCION Holdings LLC
- Method for producing cyclic olefin compound21 May 2024US 11,987,538 B2Mitsui Chemicals, Inc.
- Method for the hydrodeoxygenation of oxygenated compounds to unsaturated products9 Apr 2024US 11,952,321 B2Totalenergies Onetech Belgium
- Process for the selective catalytic hydrogenation of dienones6 Mar 2025US 2025/0074854 A1BASF SE
- Branched Products5 Sep 2024US 2024/0294454 A1SCION Holdings LLC
- Branching Technology1 Feb 2024US 2024/0034712 A1SCION Holdings LLC
- Methods of arene alkenylation27 Jul 2023US 2023/0234900 A1University of Virginia Patent Foundation
- Method for producing cyclic olefin compound13 Jul 2023US 2023/0219868 A1Mitsui Chemicals, Inc.
Most cited
By later US patents
- Ethylene oligomerization46US 4,482,640 APhillips Petroleum Company · 1984
- Porous microcomposite of perfluorinated ion-exchange polymer and metal oxide, a network of silica, or a network of metal oxide and silica derived via a sol-gel process38US 5,824,622 AE. I. Du Pont de Nemours and Company · 1998
- Preparation and use of supported potassium (or rubidium)-Group VIII-metal cluster catalysts in CO/H.sub.2 Fischer-Tropsch synthesis reactions25US 4,154,751 AExxon Research & Engineering Co. · 1979
- Porous microcomposite of metal cation exchanged perfluorinated ion-exchanged polymer and network of metal oxide, silica or metal oxide and silica24US 5,916,837 AE. I. Du Pont de Nemours and Company · 1999
- Process for producing liquid polymer21US 4,054,612 ASumitomo Chemical Company, Limited · 1977