B01J 2231/72
Epoxidation
B01J2231/72 (Epoxidation) appears on 195 US grants and 109 published applications in this corpus.
Search patents in B01J- Granted patents
- 195
- Published applications
- 109
- Assignees
- 121
- Inventors
- 449
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 2 |
| 2002 | 2 | 4 |
| 2003 | 5 | 6 |
| 2004 | 6 | 11 |
| 2005 | 6 | 9 |
| 2006 | 7 | 7 |
| 2007 | 5 | 6 |
| 2008 | 4 | 3 |
| 2009 | 3 | 9 |
| 2010 | 8 | 6 |
| 2011 | 3 | 5 |
| 2012 | 6 | 6 |
| 2013 | 6 | 2 |
| 2014 | 4 | 4 |
| 2015 | 2 | 5 |
| 2016 | 3 | 6 |
| 2017 | 4 | 3 |
| 2018 | 6 | 4 |
| 2019 | 3 | 1 |
| 2020 | 3 | 2 |
| 2021 | 0 | 2 |
| 2022 | 3 | 2 |
| 2023 | 1 | 3 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Propylene oxide production apparatus and propylene oxide production method25 Aug 2026US 12,714,977 B2Sumitomo Chemical Company, Limited
- Metal-organic framework (MOF) MIL-125 and preparation method and use thereof25 Aug 2026US 12,714,989 B2Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Method for producing epoxyalkane, and solid oxidation catalyst9 Jul 2024US 12,030,860 B2Kao Corporation
- Bridged phthalocyanine- and napththalocyanine-metal complex catalysts for oxidation reactions28 Nov 2023US 11,826,740 B2WiSys Technology Foundation, Inc.
- Method for producing epoxy compound1 Nov 2022US 11,485,717 B2Eneos Corporation
- Catalytic aerobic oxidations28 Aug 2025US 2025/0269360 A1
- Metal-organic framework (mof) mil-125 and preparation method and use thereof26 Oct 2023US 2023/0338935 A1Dalian Institute of Chemical Physics, Chinese Academy of Sciences
- Propylene oxide production apparatus and propylene oxide production method20 Apr 2023US 2023/0118403 A1Sumitomo Chemical Company, Limited
- Bridged phthalocyanine- and napththalocyanine-metal complex catalysts for oxidation reactions9 Feb 2023US 2023/0040510 A1WiSys Technology Foundation, Inc.
- Method for manufacturing cyclododecanone3 Mar 2022US 2022/0064094 A1Hanwha Solutions Corporation
Most cited
By later US patents
- Vinly-substituted bridged metallocenes111US 5,565,592 APhillips Petroleum Company · 1996
- Chiral catalysts and catalytic epoxidation catalyzed thereby74US 5,637,739 AResearch Corporation Technologies, Inc. · 1997
- Process for the epoxidation of an organic compound with oxygen or an oxygen-delivering compounds using catalysts containing metal-organic frame-work materials73US 6,624,318 B1BASF SE · 2003
- Metallocenes and processes therefor and therewith66US 5,466,766 APhillips Petroleum Company · 1995
- Preparation of oxirane compounds with titanasilsesquioxane catalysts60US 5,750,741 AShell Oil Company · 1998