C07C 2531/22
Organic complexes
C07C2531/22 (Organic complexes) appears on 828 US grants and 683 published applications in this corpus.
Search patents in C07C- Granted patents
- 828
- Published applications
- 683
- Assignees
- 346
- Inventors
- 1,830
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 14 | 0 |
| 1978 | 16 | 0 |
| 1979 | 15 | 0 |
| 1980 | 17 | 0 |
| 1981 | 17 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 12 | 0 |
| 1986 | 7 | 0 |
| 1987 | 16 | 0 |
| 1988 | 6 | 0 |
| 1989 | 11 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 14 | 0 |
| 1993 | 17 | 0 |
| 1994 | 13 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 12 | 0 |
| 2000 | 10 | 0 |
| 2001 | 14 | 8 |
| 2002 | 23 | 25 |
| 2003 | 19 | 32 |
| 2004 | 17 | 22 |
| 2005 | 15 | 25 |
| 2006 | 15 | 8 |
| 2007 | 15 | 17 |
| 2008 | 12 | 17 |
| 2009 | 10 | 13 |
| 2010 | 11 | 25 |
| 2011 | 13 | 25 |
| 2012 | 15 | 21 |
| 2013 | 18 | 32 |
| 2014 | 16 | 22 |
| 2015 | 26 | 40 |
| 2016 | 31 | 47 |
| 2017 | 50 | 40 |
| 2018 | 32 | 45 |
| 2019 | 46 | 41 |
| 2020 | 24 | 25 |
| 2021 | 32 | 25 |
| 2022 | 23 | 42 |
| 2023 | 24 | 27 |
| 2024 | 30 | 24 |
| 2025 | 12 | 25 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for linear alpha olefins production15 Sep 2026US 12,735,371 B2Sabic Global Technologies B.V.
- Ethylene oligomerization method, and ethylene oligomer thereof1 Sep 2026US 12,723,010 B2Hanwha Totalenergies Petrochemical Co., Ltd.
- Processes for producing poly alpha olefins and method of analysis and apparatuses therefor4 Aug 2026US 12,698,245 B2ExxonMobil Chemical Patents Inc.
- Selective photocatalytic reduction of alkynes to alkenes powered by a cobalt-porphyrin metal-organic frameworks16 Jun 2026US 12,655,078 B2Northwestern University
- Processes for producing cyclic olefins from polymers and re-polymerization thereof9 Jun 2026US 12,649,840 B2ExxonMobil Chemical Patents Inc.
- Process and plant for producing synthetic paraffinic kerosene as jet fuel8 Oct 2026US 2026/0308082 A1Topsoe A/S
- Selective olefin oligomerization with transition metal amine bis(phenolate) catalysts8 Oct 2026US 2026/0308083 A1Chevron Phillips Chemical Company LP
- Ethylene oligomerization method with reduced polymer generation and improved productivity6 Aug 2026US 2026/0225976 A1
- Novel iron-based compounds, processes for the preparation thereof, and use thereof as catalysts16 Jul 2026US 2026/0200963 A1Centre National De La Recherche Scientifique
- Method for producing homocoupling reaction product9 Jul 2026US 2026/0193241 A1National University Corporation Hokkaido University
Most cited
By later US patents
- Methods for generating high titer helper-free preparations of released recombinant AAV vectors183US 6,566,118 B1Targeted Genetics Corporation · 2003
- Preparation of high purity vinylindene olefin126US 5,087,788 AEthyl Corporation · 1992
- Vinylidene olefin process121US 4,658,078 AShell Oil Company · 1987
- Olefin production93US 5,856,257 APhillips Petroleum Company · 1999
- Process for producing propylene oligomers91US 4,814,540 AIdemitsu Kosan Co., Ltd. · 1989