B01J 23/34
Manganese
B01J23/34 (Manganese) appears on 930 US grants and 1,001 published applications in this corpus.
Search patents in B01J- Granted patents
- 930
- Published applications
- 1,001
- Assignees
- 591
- Inventors
- 2,728
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 10 | 0 |
| 1978 | 15 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 20 | 0 |
| 1982 | 11 | 0 |
| 1983 | 7 | 0 |
| 1984 | 11 | 0 |
| 1985 | 10 | 0 |
| 1986 | 9 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 15 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 6 |
| 2002 | 10 | 22 |
| 2003 | 18 | 30 |
| 2004 | 13 | 33 |
| 2005 | 17 | 18 |
| 2006 | 23 | 17 |
| 2007 | 15 | 24 |
| 2008 | 14 | 26 |
| 2009 | 8 | 25 |
| 2010 | 23 | 27 |
| 2011 | 20 | 40 |
| 2012 | 17 | 39 |
| 2013 | 23 | 46 |
| 2014 | 27 | 45 |
| 2015 | 41 | 60 |
| 2016 | 33 | 58 |
| 2017 | 44 | 46 |
| 2018 | 46 | 60 |
| 2019 | 43 | 54 |
| 2020 | 46 | 85 |
| 2021 | 46 | 60 |
| 2022 | 54 | 43 |
| 2023 | 53 | 55 |
| 2024 | 28 | 33 |
| 2025 | 31 | 30 |
| 2026 | 14 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Organic-inorganic composite catalyst, air purification device including the organic-inorganic composite catalyst, and method of regenerating the organic-inorganic composite catalyst1 Sep 2026US 12,722,149 B2Jk Global Co., Ltd.
- Catalysts and processes for oxidative dehydrogenation of methane and ethane to produce ethylene, ethane, propane, propylene, and other products1 Sep 2026US 12,723,011 B1
- Composite, zoned oxidation catalyst for a compression ignition internal combustion engine25 Aug 2026US 12,714,990 B2Johnson Matthey Public Limited Company
- Apparatus and method for producing carbon nanofibers from light hydrocarbons19 May 2026US 12,630,428 B2Carbonova Corp.
- Method of producing hydrogen gas5 May 2026US 12,616,961 B1Imam Mohammad Ibn Saud Islamic University
- Oxidative coupling of methane in hysteresis condition8 Oct 2026US 2026/0308085 A1Braskem S/A
- Methane oxidation catalysts, methods of using thereof, and methods of making thereof10 Sep 2026US 2026/0264057 A1Yale University
- Microplasma catalytic reactor6 Aug 2026US 2026/0225035 A1Dyson Technology Limited
- Oxidative coupling catalyst, method for producing oxidative coupling catalyst, and method for producing hydrocarbons6 Aug 2026US 2026/0225078 A1Mitsubishi Heavy Industries, Ltd.
- Method for preparing aromatic hydrocarbon by coupling conversion of co2 and polyolefin6 Aug 2026US 2026/0225973 A1Dalian Institute of Chemical Physics, Chinese Academy of Sciences
Most cited
By later US patents
- Synthesis of nanometer-sized particles by reverse micelle mediated techniques178US 6,413,489 B1Massachusetts Institute of Technology · 2002
- Low temperature oxydehydrogenation of ethane to ethylene105US 4,250,346 AUnion Carbide Corporation · 1981
- Fibril aggregates and method for making same105US 5,456,897 AHyperlon Catalysis Int'l., Inc. · 1995
- System and process for removal of pollutants from a gas stream101US 6,610,263 B2EnviroScrub Technologies Corporation · 2003
- Cyclic catalytic upgrading of chemical species using metal oxide materials94US 8,435,920 B2Eltron Research & Development, Inc. · 2013